45th week of 2019 patent applcation highlights part 62 |
Patent application number | Title | Published |
20190341759 | OPERATION DEVICE - An operation device includes a case, a control board accommodated in the case, and a protective cover for protecting the control board. The protective cover includes a terminal plate, a first dent located on a side of the protective cover opposite to a control board side of the protective cover and having a bottom provided with the terminal, a first groove having a +Z direction end open to the outside of the case through an inlet cutout in the case and a −Z direction end toward an edge of the protective cover opposite to the cutout, and a second groove having an end communicating with the first groove and the other end communicating with the first dent. The other end of the second groove is nearer an edge of the protective cover adjacent to the cutout than the end of the second groove. | 2019-11-07 |
20190341760 | OPERATION DEVICE - An operation device includes a control board, a case, a base member, and a protective cover located inside the case and protecting the control board by separating, inside the case, a space defined by the base member and the case into a first space for the control board and a second space exposed to the base member. The base member has an annular rib surrounding an installation hole. The protective cover has, on a surface facing the base member, a recess in an area corresponding to the rib. The rib is fitted in the recess with a leading edge in contact with the bottom of the recess. A screw inserted in the hole has a head inside a third space defined by the rib and the bottom of the recess. | 2019-11-07 |
20190341761 | HELICAL JUMPER CONNECTOR - A helical jumper connector includes a helical support member configured to support a wire. The helical support member includes a first leg having a first helical winding and a second leg having a second helical winding that defines a second axial opening. The first axial opening and the second axial opening are coaxial with the wire when the first helical winding and the second helical winding are wrapped around the wire and cooperatively engage with one another to support the wire. A jumper casting is configured to receive the helical support member. The helical support member and the jumper casting are electrically conductive such that the helical jumper connector forms an electrically conductive pathway to carry electrical current from the wire. A method of making a helical jumper connector assembly includes applying a compression force to a helical jumper connector comprising a helical support member received in a jumper casting. | 2019-11-07 |
20190341762 | CABLE ACCESSORY WITH IMPROVED THERMAL CONDUCTIVITY - The invention relates to a cable accessory, said accessory being surrounded by at least one electrically insulating crosslinked layer comprising at least one polymer material, boron nitride and silicon carbide, to an electrical device comprising at least said cable accessory, to a process for manufacturing said accessory and said device, to the use of said crosslinked layer around an electric cable accessory or in an electrical device, in particular for promoting heat discharge, to a kit for connecting electric cables, and to a cable accessory, said accessory comprising two fillers of different thermal conductivities. | 2019-11-07 |
20190341763 | PROTECTIVE CIRCUIT AND METHOD FOR PROTECTING A CIRCUIT - A protective circuit ( | 2019-11-07 |
20190341764 | LOW-VOLTAGE PROTECTION DEVICE - A low-voltage protective device includes: at least one outer conductor path from an outer conductor power terminal of the low-voltage protective device to an outer conductor load terminal of the low-voltage protective device; a neutral conductor path from a neutral conductor terminal of the low-voltage protective device to a neutral conductor load terminal of the low-voltage protective device; a mechanical bypass switch arranged in the outer conductor path; a first semiconductor circuit arrangement connected in parallel to the mechanical bypass switch, the first semiconductor circuit arrangement having at least one power semiconductor, such as an IGBT, with a control terminal, such as a gate terminal; an electronic control unit; a current-measurement arrangement arranged in the outer conductor path, connected to the electronic control unit of the protective device; and at least one voltage measurement arrangement for detecting a Miller effect-induced voltage spike at the at least one power semiconductor. | 2019-11-07 |
20190341765 | PROTECTION CIRCUIT APPLIED TO ELECTRONIC DEVICE AND ASSOCIATED PROTECTION METHOD - A protection circuit for an electronic device including a first power output interface and a second power output interface is disclosed. The protection circuit includes a first switch element and a detection circuit. The first switch element is coupled between a first voltage source and the first power output interface. In an operation of the protection circuit, the detection circuit detects an output voltage value of the second power output interface to generate a detection result, and the first switch element, according to the detection result, connects the first voltage source to the first power output interface to allow the first power output interface to output power to an external terminal, or disconnects the first voltage source from the first power output interface. | 2019-11-07 |
20190341766 | Universal Ground Fault Circuit Interrupter (GFCI) Device Incorporating A Water and Flame Barrier Button Assembly - A water and flame barrier button assembly is incorporated into an electrical enclosure such as a GFCI housing to provide water and flame resistant set and reset buttons. The buttons are contained within flexible sealing frames that allow one end of the buttons to extend through the top portion of the GFCI housing while the opposite end of the button is exposed within the base portion of the sealing frame. The base portion of the sealing frame attaches to the interior of the housing with the exposed button end positioned inward of the sealing frame base. The base of the sealing frame contacts the GFCI circuit board while providing a rebound force to return either the set or reset button exposed end from a position depressed and in contact with the circuit board to a position not in contact with the circuit board and returning inward of the sealing frame base. | 2019-11-07 |
20190341767 | ADVANCED GROUND FAULT CIRCUIT INTERRUPTERS (GFCI) AND METHODS OF OPERATION THEREOF - In one example, a ground fault circuit interrupter is provided. It may include a current imbalance detection circuit configured to provide a leakage signal and a main processing circuit including a processor. The leakage signal may correspond to a current imbalance between a supply path and a return path. The processor may be configured to receive the leakage signal, analyze a time pattern of the leakage signal, determine whether a ground fault exists based on analysis of the time pattern, and generate a first trigger signal if the ground fault is determined to exist. The ground fault circuit interrupter may further include a back-EMF detection circuit configured to provide a back-EMF detection signal. Methods for detecting and responding to a ground fault are also provided. | 2019-11-07 |
20190341768 | BATTERY INTERRUPTER - A battery interrupter system including an electrical motor for a machine, at least one battery which powers an electrical system of a machine, a programable logic controller electrically connected to the electrical system and an ignition electrically connected to the programmable logic controller. The battery interrupter system also includes a button, which initiates the battery interrupter system, is connected to the programmable logic controller, at least one contactor electrically connected to the at least one battery and the programmable logic controller, wherein the programmable logic controller is configured to sends a signal to the at least one contactor to latch-in the contactor and enable an electrical connection between the at least one battery and the electrical system of the machine, and a detection sensor electrically connected to the programmable logic controller, wherein the detection sensor identifies operating conditions of the electrical system. | 2019-11-07 |
20190341769 | LOW-VOLTAGE PROTECTION SWITCH UNIT - A low-voltage protection switch unit, such as a motor protection switch, includes: at least an external conductor line, from an external line supply terminal of the low-voltage protection switch unit to an external line load terminal of the low-voltage protection switch unit; a neutral conductor line, from a neutral conductor terminal of the low-voltage protection switch unit to a neutral conductor load terminal of the low-voltage protection switch unit; a mechanical bypass switch arranged in the external conductor line; a semiconductor circuit arrangement connected in parallel with the mechanical bypass switch; an electronic control unit for actuating the mechanical bypass switch and the semiconductor circuit arrangement in a specifiable manner; and a current measurement arrangement connected to the electronic control unit, the current measurement arrangement being arranged at least in the external conductor line. The electronic control unit switches the semiconductor circuit arrangement on/off in a specifiable clocked manner. | 2019-11-07 |
20190341770 | POWER SUPPLY SYSTEM COMPATIBLE WITH MULTIPLE COMMUNICATION INTERFACE SPECIFICATIONS AND POWER RECEIVER CIRCUIT THEREOF - A power supply system includes a power supplier circuit and a power receiver circuit. The power supplier circuit supplies a power via a communication interface compatible with a first communication interface specification or a second communication interface specification. The first communication interface specification includes a delay threshold. After the power supplier circuit is coupled to the power receiver circuit, the power supplier circuit supplies the power after a first delay period. The power receiver circuit confirms whether the power supplier circuit is coupled to the power receiver circuit via a coupling confirmation step according to the first communication interface specification. The power receiver circuit confirms whether the power supplier circuit is compatible with the first communication interface specification or the second communication interface specification according to whether the first delay period is greater than the delay threshold. | 2019-11-07 |
20190341771 | SURGE PROTECTION CIRCUIT AND ELECTRONIC DEVICE USING THE CIRCUIT - Provided is a surge protection circuit, which includes a bidirectional voltage suppressor; and a thyristor surge suppression unit connected in parallel with the bidirectional voltage suppressor. The first end of the bidirectional voltage suppressor is connected to the first end of the thyristor surge suppression unit, and the second end of the bidirectional voltage suppressor is connected to the second end of the thyristor surge suppression unit. The breakover voltage or the breakdown voltage in the direction from the first end to the second end of the thyristor surge suppression unit is greater than the clamping voltage in the direction from the first end to the second end of the bidirectional voltage suppressor. The breakover voltage in the direction from the second end to the first end of the thyristor surge suppression unit is less than the clamping voltage in the direction from the second end to the first end of the bidirectional voltage suppressor. | 2019-11-07 |
20190341772 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE AND ELECTROSTATIC DISCHARGE DETECTOR CIRCUIT - An electrostatic discharge (ESD) protection device includes a voltage divider circuit, a detection circuit, and a clamping circuit. The voltage divider circuit outputs N−1 bias voltages according to a first voltage and a second voltage, in which N is a positive integer greater than or equal to 2. The detection circuit detects an ESD event according to a voltage level at a predetermined node associated with the first voltage and the second voltage, and to generate N control signals according to the first voltage, the second voltage, and the N−1 bias voltages. When the ESD event occurs, the voltage level of the N control signals are the same as the first voltage. The clamping circuit is turned on according to the N control signals when the ESD event occurs, in order to provide a discharging path of a current associated with the ESD event. | 2019-11-07 |
20190341773 | ESD Protection Charge Pump Active Clamp for Low-Leakage Applications - Disclosed examples include an electrostatic discharge protection circuit including a shunt transistor coupled between first and second power supply nodes, a sensing circuit to deliver a control voltage signal to turn on the shunt transistor in response to a detected change in a voltage of the first power supply node resulting from an ESD stress event, and a charge pump circuit to boost the control voltage signal in response to the control voltage signal turning the shunt transistor on. | 2019-11-07 |
20190341774 | TWO STAGE POWER CONTROL SYSTEM FOR AUTOMOTIVE DEVICES - A system and method includes a power control circuit for controlling first power from a power supply provided to a first circuit includes a first stage and a second stage. The first stage includes a low power energy detector and a first power switch. The low power energy detector is configured to provide second power via the first switch in response to energy. The second stage includes a signal detector configured to detect a characteristic of a signal associated with the energy in response to the second power. The signal detector is configured have the first power provided to the first circuit in response to the characteristic being detected. | 2019-11-07 |
20190341775 | SYSTEMS AND METHODS FOR DETERMINING A STATE OF AN APPLIANCE - Systems and methods for determining a state of an appliance are provided. A controller determines a usage of the appliance. Responsive to determining the usage of the appliance, the state of the appliance is altered. | 2019-11-07 |
20190341776 | SYSTEMS AND METHODS OF DC POWER CONVERSION AND TRANSMISSION FOR SOLAR FIELDS - Systems and methods integrate advanced solar tracker, battery, inverter, and software technologies to improve performance, plant output, and costs. The systems may incorporate an advanced vanadium flow battery (VFB) that is DC-voltage (DV)-coupled to photovoltaic (PV) arrays for high, round-trip efficiency. The systems incorporate a DC architecture that optimizes performance for commercial, industrial, agricultural, and utility applications. A distributed direct current (DC) power system includes a centralized, single-stage inverter; PV arrays; maximum power point tracking (MPPT) converters coupled between the PV arrays and the centralized, single-stage inverter; batteries; and DC-DC battery converters (DCBCs) coupled to the batteries. The MPPT converters maximize solar power production by the PV arrays and minimize mismatch between the PV arrays. The DCBCs manage charge and discharge of the batteries, enable the interconnection of the PV arrays and the batteries, and supply a constant medium voltage to the central inverter. | 2019-11-07 |
20190341777 | DIRECT CURRENT POWER GRID VOLTAGE CONTROL METHOD - Provided in the present invention is a direct current power grid voltage control method, dividing control of a direct current power grid voltage into three processes, namely natural voltage regulation, first voltage regulation and second voltage regulation; the converter stations in the direct current power grid are divided into three types, namely power regulation converter stations, auxiliary voltage regulation converter stations, and voltage regulation converter stations, on the basis of whether the converter station has a voltage regulation capacity, the power regulation converter stations operating in a fixed power control mode, the voltage regulation converter stations operating in a fixed voltage control mode or an auxiliary voltage control mode, and the auxiliary voltage control converter stations operating in the auxiliary voltage control mode; all the converter stations in the direct current power grid participate in natural voltage regulation, the auxiliary voltage regulation converter stations and the voltage regulation converter stations participate in first voltage regulation, and the voltage regulation converter stations participate in second voltage regulation; by means of a combination of the three voltage regulation processes, accurate control of the direct current voltage can be implemented in a steady state, and direct current voltage change can be suppressed in a transient state. | 2019-11-07 |
20190341778 | System and Method for Control of Multiple Voltage Regulators - A power control system provides multiple supply voltages that are guaranteed not to violate boundary conditions regardless of the timing of voltage change commands. A first voltage (V | 2019-11-07 |
20190341779 | UNIVERSAL POWER CONTROL DEVICE - The present invention is directed to an intelligent dimmer that is capable of “learning” the type of load it is controlling, and adjusts its operating parameters accordingly. The present invention can adaptively drive electrical loads over a wide range of wattages. The intelligent dimmer of the present invention is configured to automatically calibrate itself based on the load current demands of a particular electrical load. The intelligent dimmer of the present invention can also adaptively limit in-rush currents to extend the life expectancy of the solid state switching components used therein. | 2019-11-07 |
20190341780 | DOMESTIC APPLIANCE DEMAND-RESPONSE POWER CONSUMPTION CONTROL SYSTEM AND METHOD - A power control device for an electrically powered appliance may selectively switch off one 110 volt input (of two separate 110 volt input lines) of a 220 volt power supply to the appliance during certain periods of operation, in response to a demand-response request. This may adjust operation of one or more components of the appliance, thus adjusting an amount of power consumed by the appliance. A determination of which one, of the two, 110 volt input lines to be switched off may be made based on an analysis of the amount of power consumed by each of the two 110 volt input lines during operation of the appliance. The power control device may be provided at any point between the electrically powered appliance and a power distribution panel distributing power from an external source. | 2019-11-07 |
20190341781 | CONTROL SYSTEM FOR MICROGRIDS FOR THE PRODUCTION AND DISTRIBUTION OF ELECTRIC POWER COMING FROM MULTIPLE PRODUCTION SOURCES OF DIFFERENT TYPES, AND CONTROL METHOD THEREOF - It is described a control system for a microgrid for the production and distribution of electric power coming from multiple electric power sources of the intermittent and/or random and/or programmable and/or accumulation-system type,
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20190341782 | DATA COMMUNICATIONS FOR DISTRIBUTED ENERGY STORAGE AND POWER OUTPUT - A system and method for a distributed smart power and storage transfer architecture. An embodiment includes a distributed energy storage system comprising a controller and a plurality of energy storages distributed across a plurality of sites, requesting asset data from across the plurality of sites and receiving asset data from one or more sites of the plurality of sites. Further embodiments may include storing the asset data received from each site or determining a power output pattern across the plurality of sites according to the stored asset data. Additionally, a data telegram may be constructed based on the determined power output pattern. The data telegram may be sent to any site of the plurality of sites and may be configured to adapt power supplied by the at least one of the plurality of sites. | 2019-11-07 |
20190341783 | DETERMINATION APPARATUS, SURVEILLANCE APPARATUS, ENERGY STORAGE SYSTEM, SURVEILLANCE SYSTEM, DETERMINATION METHOD, SURVEILLANCE METHOD, OPERATION METHOD OF ENERGY STORAGE SYSTEM, AND NON-TRANSITORY STORAGE MEDIUM - The present invention provides a determination apparatus ( | 2019-11-07 |
20190341784 | BATTERY CHARGING SYSTEM AND BATTERY CHARGING METHOD - A battery charging system is provided, and includes a control unit, a charging unit, and a measurement unit. The control unit is configured to generate and output a control signal. The charging unit is coupled to the control unit and a battery. The charging unit is configured to receive the control signal, generate a charging current according to the control signal, and output the charging current to charge the battery. The measurement unit is coupled to the battery and the control unit. The measurement unit is configured to measure a battery voltage output by the battery, and output a measurement signal to the control unit. The measurement signal corresponds to the battery voltage. | 2019-11-07 |
20190341785 | BATTERYBALANCE SYSTEM AND OPERATION METHOD THEREOF - The present invention provides a battery balance system which includes a plurality of battery modules and a control module. Each of the battery modules includes a battery, a passive power adjustment unit and an active power adjustment unit. The passive power adjustment units and the active power adjustment units are coupled to the batteries. The control module is coupled to the battery modules, and is configured to monitor charging powers of the batteries. In a charging period, when a charging power of a first battery of a first battery module of the battery modules is higher than a charging power of a second battery of a second battery module of the battery modules, the control module enables the passive power adjustment unit of the first battery module. The control module determines whether or not to enable the active power adjustment unit of the first battery module according to a charging power difference between the first battery and the second battery. | 2019-11-07 |
20190341786 | DEVICE FOR SUPPLYING POWER TO EXTERNAL DEVICE AND METHOD THEREFOR - Disclosed is an electronic device. The electronic device may include a plurality of interfaces each of which is connected to one peripheral electronic device in a wired manner to deliver power to the connected peripheral electronic device, a power supply circuit connected to the plurality of interfaces, and a control circuit including a plurality of pins each connected to one interface to allow the power supply circuit to supply power to the plurality of interfaces. In addition, various embodiments understood from the disclosure are possible. | 2019-11-07 |
20190341787 | ENERGY SYSTEM FOR A MOTOR VEHICLE AND METHOD FOR CHARGING AN ELECTRICAL ENERGY STORAGE DEVICE - An energy system for a motor vehicle and a method for charging at least one electrical energy storage device of the energy system. | 2019-11-07 |
20190341788 | ENERGY STORAGE SYSTEM FOR VEHICLE - An energy storage system for a vehicle is provided. The system includes a plurality of energy storage cells that are mounted within an energy storage cell mounting part and stacked to be in surface-contact with each other. A first plate has a first surface coupled to be in surface-contact with an exposed surface of an energy storage cell positioned at an outermost side among the plurality of energy storage cells. An elastic member has a first side coupled to a second surface of the first plate and a second side fixedly coupled to the energy storage cell mounting part. The elastic member provides repulsive force of a certain magnitude or greater in a direction of the stacked energy storage cells through the first plate. | 2019-11-07 |
20190341789 | Power Sharing System - There is disclosed a system for sharing power among interconnected tools which is made up of multiple battery-powered tools, each with a battery. Each tool and its battery are electrically connected to a hub, and the hub is adapted to provide charging current to each battery, to monitor the charge level of each battery and to direct current from one battery with a higher charge level to a battery with a lower charge level. The system is also adapted to enable the hub to direct power to corded electric tools. | 2019-11-07 |
20190341790 | AC INVERTER PRE-CHARGE CURRENT LIMITING SYSTEM - In one embodiment, a vehicle pre-charge limiting system is disclosed. The system includes an inverter, a comparator, a latch circuit, and a microprocessor. The inverter inverts a first power signal into a second power signal. The comparator receives a first measured current of the second power signal and compares the first measured current to a predetermined current value. The comparator transmits a first control signal indicative of the first measured current exceeding the predetermined current value. The latch circuit transmits a second control signal to the inverter to discontinue inverting the first power signal and transmits a first latch signal. The microprocessor receives a first sense signal indicative of current of the first power signal and transmits a third control signal to the latch circuit. The microprocessor inverts the first power signal into the second power signal for a predetermined number of output periods. | 2019-11-07 |
20190341791 | MODULAR CHARGING STATION - A modular charging station is disclosed as configured with a plurality of charging ports that enable a mobile device, mobile device removable battery, and mobile device auxiliary component to be charged simultaneously. One or more of the charging ports can be disposed on a removable base that is configured to be inserted within a bay in the charging station. Furthermore, the charging station is configured to physically and electrically connect to another charging station, wherein a plurality of charging stations can be connected to one another in series, and a single power source connection can supply power to charge all components connected to any charging port in the chain of linked charging stations. | 2019-11-07 |
20190341792 | COMPRESSIBLE CONTACTS FOR INTERFACING CHARGER - A rechargeable device is disclosed. The rechargeable device may include an enclosure, a rechargeable battery cell, a constellation assembly, and charging circuitry. The enclosure may include a receptacle defining a longitudinal opening into the enclosure. The constellation assembly may include a diaphragm, a puck, and a contact point affixed to the puck and configured to engage an electrode of a charging pad surface. The charging circuitry may be configured to charge the battery cell based on electrical power received from the charging pad surface via the contact point. The receptacle may further permit movement of the puck and the affixed contact point along the longitudinal opening. | 2019-11-07 |
20190341793 | Desktop or Floor LED Lighting Device has USB-Port(s) - Quickly USB Charging ports for lighting device has USB charging-ports which meet 2007 released specification has minimum 1.0 Amp to 5 Amp at DC 5 Volt safety and quickly charging capacity to quickly charge DC current into energy-storage unit or assembly inside the other electric or digital product(s) without high voltage DC current for overheat and fire risk and, optionally, additional outlet-units, to supply AC current to other electric or digital devices including smart phone, computer, communication, consumer electric products. The USB-unit(s) or USB-Module(s) or Outlet-unit(s) fit within or install on anywhere of the item's housing including anywhere of the base, pole, bar, stand, step, contour, edge, walls. The said USB charger only has charging function no any data transmit and only have one input power source not more than one and charging capacity minimum 1.0 Amp up for quickly charge from USB-Charging-ports by 2 male USB-plugs' USB-wire to the device's female USB-ports. The device has 2 | 2019-11-07 |
20190341794 | ADAPTOR AND POWER STATION - A power station and an adaptor are provided. The power station includes a battery pack and an adaptor. The adaptor includes a housing, a battery pack interface, a protecting frame for protecting the housing and disposed on the outside of the housing, at least one AC output port and at least one DC output port. The protecting frame includes a top seat at the top portion of the housing, a bottom seat at the bottom seat of the housing and a plurality of connecting bars respectively connected the top seat and the bottom seat. The output voltage of the DC output port is lower than the rated voltage of the battery pack. | 2019-11-07 |
20190341795 | Auto Adjusting Balancer Apparatus - An apparatus includes a string of serially-connected energy storage devices, a string of serially-connected windings on at least one core and having a first medial node coupled to a first medial node of the string of serially-connected energy storage devices, and first and second switches configured to connect first and second end nodes of the string of serially-connected storage devices to respective first and second end nodes of the string of serially-connected energy storage devices. A control circuit is configured to operate the first and second switches at the same duty cycle. | 2019-11-07 |
20190341796 | MULTIMODE BATTERY CHARGING - An electronic device may receive or provide power using bidirectional wired and wireless power converters. A bypass path may be included to bypass the battery charger and to allow direct power transfers from a connector of the electronic device to the wireless power converter or from the wireless power converter to the connector of the electronic device. Current limiting and regulation circuitry may also be included. | 2019-11-07 |
20190341797 | Inductive Power Transfer System - An inductive power receiving device configured to: supply power received with a power receiving coil to a load in a first mode; determine whether a converter voltage exceeds a threshold voltage; in response to the determining the converter voltage exceeds the threshold voltage after sending a charging mode request, switch to supplying power received with the power receiving coil to the load in a second mode; and in response to determining the converter voltage coil exceeds the threshold voltage before sending the charging mode request is sent, prevent at least a portion of the power received with the power receiving coil from reaching the load. An inductive power transmitting device configured to provide an alternating current voltage to a power transmitting coil and gradually increase the voltage after receiving a charging mode request and stop gradually increasing the voltage once an inductive power receiving device changes modes. | 2019-11-07 |
20190341798 | SYSTEM AND A METHOD FOR INDICATING INFORMATION REPRESENTING BATTERY STATUS OF AN ELECTRONIC DEVICE - The invention relates to a system for indicating information representing battery status of an electronic device. The system comprises a charging unit and an electronic device. The charging unit comprises: charging means; wireless communication means; and indication means. The electronic device comprises a rechargeable battery; charging means; and wireless communication means. During the wireless charging of the electronic device the electronic device is configured to detect information representing the battery status of said electronic device and to communicate the detected information representing the battery status to the charging unit, and the charging unit is configured to receive the information from the electronic device and to indicate at least part of the received information representing the battery status of the electronic device. The invention relates also to a method for indicating information representing battery status of an electronic device. | 2019-11-07 |
20190341799 | Controlling An Energy Storage System - It is provided a control device for controlling an energy storage system having an energy storage device, a bidirectional AC/DC converter and a grid connection to an electrical power distribution grid. The control device includes: a processor; an external memory interface for reading external instructions from an external removable memory device; a control interface for controlling the energy storage system; and an internal memory. The internal memory stores internal instructions that, when executed by the processor, cause the control device to provide access to the control interface for external instructions, read from the external removable memory device, when the external instructions are executed by the processor. | 2019-11-07 |
20190341800 | CHARGING DEVICE - A charging device is provided, which is capable of starting up a control circuit without any separate power supply so as to start an appropriate charge operation even when a secondary battery is in an overdischarged state. A charging device to charge a secondary battery with electric power generated by a solar cell includes: a charging control unit that controls the electric power generated by the solar cell to have a current value and/or a voltage value suitable for charging, and that supplies the controlled electric power to the secondary battery; and a start-up control unit that supplies, to the charging control unit, a boosted power source by boosting the electric power from the solar cell when charging is started, and that starts up the a charging control unit. | 2019-11-07 |
20190341801 | SYSTEMS AND METHODS FOR ENERGY STORAGE USING PHOSPHORESCENCE AND WAVEGUIDES - Provided herein are systems and methods for storing energy. A photon battery assembly may comprise a light source, phosphorescent material, a photovoltaic cell, and a waveguide. The phosphorescent material can absorb optical energy at a first wavelength from the light source and, after a time delay, emit optical energy at a second wavelength after a time delay. The photovoltaic cell may absorb the optical energy at the second wavelength and generate electrical power. In some instances, a first waveguide may be configured to direct the optical energy at the first wavelength from the light source to the phosphorescent material and/or a second waveguide may be configured to direct the optical energy at the second wavelength from the phosphorescent material to the photovoltaic cell. | 2019-11-07 |
20190341802 | SYSTEM AND METHOD FOR CONTROLLING AUXILIARY POWER SUPPLY - There are provided systems, apparatuses, and methods for controlling power delivery from an auxiliary power supply. For example, there is provided a method that includes generating a first random number to define a timeout period. During the timeout period, the method may detect whether a voltage is present at an output of an auxiliary power supply, may disable the auxiliary power supply when the voltage is detected at the output, and may enable the auxiliary power supply when the voltage is not detected at the output. | 2019-11-07 |
20190341803 | HIBERNATE CONTROL CIRCUITS FOR BATTERY POWER SWITCHING - In one embodiment, a vehicle telematics device is disclosed with a hibernate control circuit. The hibernate control circuit can selective switch battery power on and off to hibernatable circuits. The hibernate control circuit can be responsive to external main power availability, battery charge condition, and a periodic low frequency clock in the generation of a battery switch enable signal. A power supply switch can be selectively controlled by the battery switch enable signal to switch battery power on and off to the hibernatable circuits. | 2019-11-07 |
20190341804 | POWER SOURCE SELECTION - A circuit for selecting between a primary power source and a back-up power source is provided in one embodiment. The circuit includes a first port configured to be coupled to a primary power source, a second port configured to be coupled to a back-up power source, a third port configured to be coupled to provide power to a load. The circuit also includes first and second power field effect transistors (FET) coupled between the second port and the third port, a third power FET coupled between the first port and the third port, and a dual ideal diode-OR controller coupled between the second and third power FETs to selectively turn on and off the second and third power FETs. The circuit further includes an opto-isolator coupled to a control input of the first power FET and a controller, coupled to the opto-isolator, that selectively turns on and off the opto-isolator. | 2019-11-07 |
20190341805 | SWITCHING SYSTEMS AND METHODS FOR USE IN UNINTERRUPTIBLE POWER SUPPLIES - An uninterruptible power supply for providing an output power signal to a load comprises a ferroresonant transformer, a resonant capacitor, and an inverter. The resonant capacitor is operatively connected to the ferroresonant transformer. The inverter is operatively connected to the ferroresonant transformer. The inverter is configured to generate the output power signal based on at least one inverter control signal such that the output power signal is a quasi square wave having at least one change of phase and an upper limit. The at least one inverter control signal is held in an OFF state during at least a portion of the at least one change of phase, pulse-width modulated during at least a portion of the at least one change of phase, and held in an ON state when the output power signal is at the upper limit. | 2019-11-07 |
20190341806 | RAPID SHUTDOWN OF PHOTOVOLTAIC SYSTEMS - A photovoltaic system includes groups of solar cells that can be switched in and out of the photovoltaic system. In response to detecting initiation of rapid shutdown, a control circuit controls a switch device to switch out a group of solar cells to lower the output voltage of the photovoltaic system below a safety level. In response to detecting a release trigger that indicates resumption of normal operation, the control circuit controls the switch device to switch back the group of solar cells to restore the output voltage of the photovoltaic system to a normal operating level. Solar cells may be switched out by disconnecting them from the photovoltaic system and switched back by reconnecting them into the photovoltaic system. Solar cells may also be switched out by shorting them out of the photovoltaic system and switched back in by removing the short. | 2019-11-07 |
20190341807 | POWER MANAGEMENT METHOD, POWER MANAGEMENT SERVER, LOCAL CONTROL APPARATUS, AND POWER MANAGEMENT SYSTEM - A power management method according is provided with a step A of sending a control message from a power management server to a local control apparatus and a step B of performing, on the basis of source identification information that identifies a source of the control message, by the local control apparatus, control based on the control message. The source identification information is associated with a use type that identifies use of the control message. | 2019-11-07 |
20190341808 | Wireless Power Transfer System - A method of transmitting power wirelessly from at least two transmitter loops to at least one power receiver. The method comprises separately supplying a respective alternating current to each one of the transmitter loops thereby to transmit wireless power for receipt by the at least one power receiver. Also provided is a method of receiving power wirelessly. Associated apparatuses and an associated system are also provided. | 2019-11-07 |
20190341809 | NON-CONTACT POWER SUPPLY DEVICE - In a non-contact power supply device, a power reception device includes a first resonant circuit that resonates at a first frequency, a voltage detection circuit that measures an output voltage from the first resonant circuit to obtain a measurement value of the output voltage, and a transmitter that transmits a signal including information representing the measurement value to a power transmission device. The power transmission device includes a second resonant circuit that resonates at a second frequency lower than the first frequency, a power supply circuit that supplies AC power having an adjustable switching frequency to the second resonant circuit, a receiver that receives the signal including the information representing the measurement value, and a control circuit that controls the switching frequency in accordance with the measurement value, such that the second resonant circuit and the power supply circuit continue a soft switching operation. | 2019-11-07 |
20190341810 | WIRELESS POWER TRANSMISSION APPARATUS AND WIRELESS POWER TRANSMISSION METHOD - A wireless power transmission method of a wireless power transmitter can include detecting a first wireless power receiver for charging through a first power transmission scheme; attempting to charge the first wireless power receiver when the first wireless power receiver is detected; proceeding to charge the first wireless power receiver to a first charging power; detecting a second wireless power receiver for charging through a second power transmission scheme when the first wireless power receiver is not detected or when charging the first wireless power receiver fails even after the wireless power transmitter attempted to charge the first wireless power receiver; attempting to charge the second wireless power receiver when the second wireless power receiver is detected; and proceeding to charge the second wireless power receiver to a second charging power. | 2019-11-07 |
20190341811 | WIRELESS TRANSMISSION IN SHARED WIRELESS MEDIUM ENVIRONMENTS - Methods, apparatus and systems supporting coexistence of wireless transmission equipment in shared wireless medium environments. The techniques provided herein may be applied to various types of wireless transmission equipment. Under one example, a wireless power transmission system (WPTS) delivers power to wireless power receiver clients via transmission of wireless power signals using one or more frequencies and/or channels within shared wireless medium environments in which other wireless equipment is operating, such as access points and stations in wireless local area networks (WLANs). The WPTS is configured to co-exist with the operations of the other wireless equipment within the shared wireless medium environment by adapting its transmission operations to utilize frequencies or channels that do not interfere with other equipment and/or implementing co-channel and shared channels operations under which access to channels is implemented using standardized WLAN protocols such as PHY and MAC protocols used for 802.11 (Wi-Fi™) networks. | 2019-11-07 |
20190341812 | WIRELESS POWER TRANSFER ALONG A PRESCRIBED PATH - Systems and methods are described herein for providing wireless power to a mobile device, such as an aerial mobile device like an unmanned aerial vehicle (UAV). A navigational constraint model may prescribe a navigation path along which a wireless power transmission system can provide wireless power to the mobile device. Deviations from the prescribed path may require the mobile device to self-power. The prescription of a navigation path allows for the use of reduced-complexity wireless power transmitters that are fully capable of servicing the prescribed path. Multiple embodiments of prescribed paths with various limitations and features are set forth herein, along with multiple embodiments of wireless power transmission systems of reduced complexity and functionality to fully service the various embodiments of prescribed paths. | 2019-11-07 |
20190341813 | SYSTEM FOR OPTICAL WIRELESS POWER SUPPLY - A system incorporating safety features, for optical power transmission to receivers, comprising an optical resonator having end reflectors and a gain medium, a driver supplying power to the gain medium, and controlling its small signal gain, a beam steering apparatus and a controller to control at least the beam steering apparatus and the driver. The controller responds to a safety risk occurring in the system, by outputting a command to change at least some of the small signal gain of the gain medium, the radiance of the optical beam, the power supplied by the driver, the scan speed or the scan direction and position of the beam steering apparatus, or to register the scan pose which defines the location of said optical-to-electrical power converter. The controller may also ensure a high overall radiance efficiency, and may warn of transmitted power not received by a targeted receiver. | 2019-11-07 |
20190341814 | POWER TRANSMISSION-SIDE APPARATUS - There are included: a switching parameter detecting unit ( | 2019-11-07 |
20190341815 | POWER RECEIVING DEVICE, ELECTRIC CIRCUIT, AND POWER SUPPLY DEVICE - Provided is a power receiving device including a power receiving coil which receives power supplied by electromagnetic waves, and a measurement coil which is disposed near the power receiving coil and measures an electromagnetic field. | 2019-11-07 |
20190341816 | POWER SUPPLY APPARATUS AND CONTROL METHOD THEREOF - A power supply apparatus performs control so as to perform first search processing for detecting a power reception apparatus based on at least one communication method from among a plurality of communication methods, before performing power supply to the power reception apparatus detected in the first search processing, to perform second search processing for detecting a communication apparatus other than the power reception apparatus based on at least one communication method from among the plurality of communication methods, and if a communication apparatus other than the power reception apparatus is not detected in the second search processing, to transition to a state where power supply to the power reception apparatus is possible. | 2019-11-07 |
20190341817 | CONTACTLESS POWER RECEIVING DEVICE - A contactless power receiving device includes: a power reception coil unit including a power reception coil configured to contactiessly receive magnetic flux sent from a power supply coil; iron bolts fixing the power reception coil unit to a vehicle body; and a magnetic shield plate configured to suppress diffusion of the magnetic flux received by the power reception coil unit to surroundings. The magnetic shield plate is arranged below all of the iron bolts. | 2019-11-07 |
20190341818 | SYSTEMS AND METHODS FOR WIRELESSLY POWERING OR COMMUNICATING WITH STERILE-PACKED DEVICES - Systems and methods are disclosed herein that can allow for wirelessly powering and/or communicating with a sterile-packed electronic device without removing the electronic device from its sterile packaging and while maintaining the sterility of the electronic device. In some embodiments, a base station with a power transmitter wirelessly transfers power to a power receiver of the electronic device, for example using inductive, capacitive, or ultrasonic coupling. The base station or another external device can also be used to wirelessly program or interrogate the electronic device. Battery charging circuits and switching circuits for use with said systems and methods are also disclosed. | 2019-11-07 |
20190341819 | ROTOR OF ELECTRIC MOTOR, AND METHOD FOR MANUFACTURING ROTOR - A rotor capable of preventing a magnet or a cover tube from being damaged by contacting a mold of an injection machine during production. The rotor includes a rotor core, a plurality of magnets arranged on the outside of the rotor core in the radial direction, a cylindrical cover tube surrounding the plurality of magnets, and resin charged to a gap defined between an outer peripheral surface of the rotor core and an inner peripheral surface of the cover tube. An axial dimension of the rotor core is greater than an axial dimension of each magnet, and an axial dimension of the cover tube. | 2019-11-07 |
20190341820 | Variable Flux Bridge For Rotor of an Electric Machine - An electric machine includes a rotor including a channel defined between a pair of magnets and a bridge assembly within the channel. The bridge assembly includes a bridge element and a spring arranged to bias the bridge element toward a center of the rotor such that responsive to spinning of the rotor, the bridge element moves radially away from the center against a force of the spring to alter a magnetic flux pattern associated with the magnets. | 2019-11-07 |
20190341821 | UNITARY STRUCTURE HAVING MAGNETIC AND NON-MAGNETIC PHASES - A magnetic component having a unitary structure, a transverse flux electric machine having the magnetic component, and a method of making the magnetic component are disclosed. The unitary structure of the magnetic component includes a magnetic region and a non-magnetic region. The magnetic region includes a magnetic phase and an electrically insulating phase. The non-magnetic region includes a non-magnetic phase. The magnetic phase includes a metallic material and the non-magnetic phase includes a nitrogenated metallic material formed by a controlled nitrogenation of the metallic material. | 2019-11-07 |
20190341822 | Graphene Power Generating System using Wasting Energy from Rotating Shafts - A graphene power generating system is connected to a rotating shaft or driving shafts of the vehicles or other moving objects. Those shafts are mainly wasting energy, that wasting energy is re collectable by this Nano-graphene alternator or generators when rotating the shafts. New alternator or generator replaced copper wire by super conductive and ultra-strong lightest material of the graphene wire for producing high electrical power, and reducing sizes, weight, and sound pollutions. Even the housing and shaft of the steel replaced by newly discovered material of Giga steel, carbon steel, or titanium which is lighter, stronger, and cheaper. Therefore, it can reduce size and weight by about 70%, which creates higher economic benefits as well as multi-purpose of electrical power generating applications. | 2019-11-07 |
20190341823 | COILED STATOR FOR A ROTARY ELECTRICAL MACHINE - The invention proposes a stator for a rotating electric machine, in particular for a motor vehicle, the stator ( | 2019-11-07 |
20190341824 | STATOR FOR COMPRESSOR MOTOR - A stator for a compressor motor may include a stator body having a hollow therein, a plurality of coil winding portions that protrudes inward from an inner circumferential surface of the stator body and spaced apart from each other, a coil wound around each of the plurality of coil winding portions, and an insulation portion that extends in an axial direction of the stator body, disposed between a first coil winding portion and a second coil winding portion of the plurality of coil winding portions, and coupled to the inner circumferential surface of the stator body to surround a portion of the coil. The insulation portion may be made of polyether ether ketone, which is a plastic-based material, or one of polyurethane rubber or silicone rubber, which are rubber-based materials. | 2019-11-07 |
20190341825 | ACTUATOR FOR SUBSEA AND WET ENVIRONMENTS - A compact, high torque actuator includes a brushless motor, motor control electronics, an inner hollow tube to transmit rotation of an output plate to the input end of the actuator, thus allowing two absolute magnetic encoders to read an absolute position of the input and output of the actuator. The actuator is sealed to operate in fluid environment at high pressures. | 2019-11-07 |
20190341826 | ELECTRIC POWERHEAD - An electric powerhead includes a housing including a mounting plate, wherein the mounting plate includes a shaft opening, multiple first openings arranged in a standard vertical shaft engine mounting pattern and multiple second openings arranged in a standard horizontal shaft engine mounting pattern, an electric motor positioned within the housing, wherein the electric motor includes an output shaft that extends through the shaft opening of the mounting plate and wherein the output shaft is configured to rotate about an axis of rotation, and a support configured to be removably attached to the housing, wherein with the support attached to the housing, the output shaft is arranged horizontally. | 2019-11-07 |
20190341827 | Method and Apparatus to Drive a Rotor and Generate Electrical Power - An electromagnetic power generator device and a method thereof for using balanced electromagnetic forces to drive one or more flywheel rotor assemblies and one or more magnetic enahcement assemblies on a fixed shaft and generating large amount of electrical power are provided. The electromagnetic power generator device includes a non-rotating shaft attached to a support frame, at least one flywheel rotor assembly, and at least one input driver plate assembly which is coupled to the flywheel rotor assembly via the non-rotating shaft penetrating through a first centered hole of a bearing of the flywheel assembly and a second centered hole of the input driver plate assembly. | 2019-11-07 |
20190341828 | AN ELECTRICAL MACHINE AND A METHOD OF OPERATING AN ELECTRICAL MACHINE - An electrical machine comprising: a first rotor, the first rotor producing a first magnetic field having a first number of pole pairs; a second rotor comprising a plurality of pole pieces, the plurality of pole pieces being arranged to modulate the first magnetic field to produce a second magnetic field having a second number of pole pairs; a stator Comprising one or more windings arranged to produce a third magnetic field arranged to interact with the first number of pole pairs and the second number of pole pairs; wherein the interaction of the third magnetic field with the first number of pole pairs and the second number of pole pairs changes a torque ratio between the first rotor and the second rotor. | 2019-11-07 |
20190341829 | ELECTRICAL ROTATING MACHINE WITH IMPROVED COOLING - A rotor of an electrical rotating machine having poles formed from stacks of magnetic plates and electrical conductors wound around each pole. The rotor includes cooling fins extending in prolongation of the poles along the axis of rotation of the rotor. | 2019-11-07 |
20190341830 | COMPACT HIGH SPEED GENERATOR - A method for generating electrical power may include the steps of rotating a rotor of a generator at a speed in excess of about 12,000 revolutions per minute (rpm) to about 25,000 rpm and producing power with the generator at a rate in excess of about 800 kilowatts (kW). The generator has a power/weight ratio no smaller than about 3 kW/lbs. A rotor is cooled with cooling oil internally circulated through the rotor of the generator so that contact of cooling oil with external surfaces of the rotor may be precluded. The stator is also cooled with oil that is prevented from contacting the external surfaces of the rotor. Pressurized airflow may be produced in a gap between the rotor and a stator of the generator to preclude entry of cooling oil into the gap. | 2019-11-07 |
20190341831 | SYSTEM FOR COOLING AN ELECTRIC MACHINE - A system for cooling an electric machine, including as components a stator and a rotor, wherein each component has a cooling circuit, the system including at least one regulator for regulating a volume flow of a coolant from a coolant reservoir and a control unit, wherein in each case an input of each cooling circuit is connected to at least one regulator for regulating the volume flow of the coolant from the coolant reservoir, wherein the control unit is adapted to set at least one regulator for regulating the volume flow of the coolant into the cooling circuit of a respective component, while taking into account at least one temperature of the respective component. | 2019-11-07 |
20190341832 | CIRCUIT BOARD, MOTOR AND ELECTRONIC POWER STEERING SYSTEM - The present disclosure provides techniques for securing a running stability of a vehicle, whereby danger of safety accident can be significantly reduced during operation of a vehicle by enabling a minimum number of Hall elements to be driven even during damage to a power terminal or to a ground unit due to defect in circuit by separately forming a power terminal supplying a power to a plurality of magnetic elements in a plurality of numbers. | 2019-11-07 |
20190341833 | DUAL ROTOR ELECTRIC MACHINE IN AN AUTOMOTIVE APPLICATION - An electrical machine for use in a vehicle, comprising a stator configured to output a rotating magnetic field, a primary rotor located radially between an output shaft and the stator, a secondary rotor, wherein the secondary rotor is located radially between the stator and the output shaft, and a hydraulic pump attached to the secondary rotor, wherein the hydraulic pump is configured to output lubricant to an outlet in response to the rotating magnetic field generated therebetween by the stator and the secondary rotor. | 2019-11-07 |
20190341834 | Galvanometer Drive with Multi-Layer Permanent Magnets - The invention relates to a galvanometer drive comprising a rotor ( | 2019-11-07 |
20190341835 | ELECTRIC ELEMENT - An electric element includes a substrate including a resin layer and a first conductive body, and a magnet. The substrate includes a first principal surface facing the magnet. The first conductive body includes a coil portion having a winding axis orthogonal to the first principal surface and located on a side closest to the first principal surface. The coil portion includes a continuous coil conductor including a first coil surface facing the first principal surface and a second coil surface opposite to the first coil surface. The coil conductor has a non-uniform thickness in a winding axis direction varying a distance between the first and second coil surfaces, and a difference of maximum and minimum values of distance between the first coil surface and the first principal surface is smaller than a difference of maximum and minimum values of distance between the second coil surface and the first principal surface. | 2019-11-07 |
20190341836 | Device for Generating Electrical Power From Low Frequency Oscillations - An energy harvesting device for generating electrical power from low-frequency oscillations includes a high-frequency cantilever, a plurality of low-frequency cantilevers each configured to contact the high-frequency cantilever in response to environmental vibrations having a frequency within a near-resonance frequency range associated with said low-frequency cantilever, an a generator that produces electrical power in response to contact between at least one of the plurality of low-frequency cantilevers and the high-frequency cantilever. The energy harvesting device may also include an impact mass coupled to a free end of each of the plurality of low-frequency cantilevers. Some aspects may include a common base to which the high-frequency cantilever and the plurality of low-frequency cantilevers are coupled. Other aspects may include the generator comprising one or more of an induction coil and magnet, a variable distance capacitor, or a piezo-electric material. | 2019-11-07 |
20190341837 | ELECTRODYNAMIC ACTUATOR AND ELECTRODYNAMIC EXCITATION DEVICE - A linear actuator, comprising: a base; a fixed part support mechanism attached to the base; a fixed part elastically supported by the fixed part support mechanism; and a movable part driven to reciprocate in a predetermined drive direction with respect to the fixed part, wherein the fixed part support mechanism comprises: a movable block attached to the fixed part; a linear guide that couples the movable block with the base to be slidable in the predetermined drive direction; and an elastic member that is disposed between the base and the movable block and prevents transmission of a high frequency component of vibration in the predetermined drive direction. | 2019-11-07 |
20190341838 | CONVERTER CELL COMPRISING AN ENERGY CONVERTER IN PARALLEL TO A CLAMP INDUCTOR - A converter cell includes a first terminal; a second terminal; a plurality of switching elements provided with respective gate units; an energy storage element; an clamp inductor provided to restrict a rate of change of current from the energy storage element to the switching elements; and a first energy converter provided in parallel to the clamp inductor. The first energy converter is provided to power the gate units by utilising energy from the clamp inductor when the converter cell changes state to be in a short circuit state. | 2019-11-07 |
20190341839 | VOLTAGE BAND-PASS ENABLE CIRCUIT - An enable circuit includes a first detection controller, a second detection controller, and an enable switch. The first detection controller has a first input terminal coupled to a first input terminal voltage and a first output terminal. The second detection controller has a second input terminal coupled to the first input terminal voltage and a second output terminal. The enable switch has a control terminal coupled to the second output terminal, a third input terminal coupled to a second input terminal voltage, and a third output terminal. When the first input terminal voltage is higher than the first setting voltage but lower than the second setting voltage, the enable circuit is coupled to ground by the second output terminal, thus the enable switch is turned on to output an enable signal from the third output terminal, wherein the enable signal is provided by a second input terminal voltage. | 2019-11-07 |
20190341840 | SYSTEM AND METHOD FOR ADAPTIVELY CONTROLLING A RECONFIGURABLE POWER CONVERTER - A reconfigurable power converter is provided that includes a pulse-width modulation (PWM) controller. The PWM controller is configured to switch between a first modulation scheme and a second modulation scheme when a current-level property crosses a transition threshold. | 2019-11-07 |
20190341841 | REDUCED POWER DISSIPATION POWER CONVERTER CONFIGURATION - A system and method of controlling a power converter that includes at least one first switch of a first switch type and at least one second switch of a second switch type, includes converting, by the power converter, an input power at a converter input into output power at a converter output for a load. Converting the input power into the output power includes turning on, by a controller, the at least one first switch to conduct current from the converter input to the converter output; and turning on, by the controller, the at least one second switch to conduct current from the converter input to the converter output after a first threshold time period following turn-on of the at least one first switch. | 2019-11-07 |
20190341842 | POWER FACTOR CORRECTION CIRCUIT, CONTROL METHOD AND CONTROLLER - A power factor correction circuit can include: a power meter configured to measure a power factor at an input port; a switching-type regulator that is controllable by a switching control signal in order to adjust the power factor of an input AC power; an EMI filter disposed between the switching-type regulator and the input port; and a controller configured to generate the switching control signal to maximize the power factor by adjusting a current reference signal according to a measured power factor, where the current reference signal represents an expected inductor current of the switching-type regulator. | 2019-11-07 |
20190341843 | VOLTAGE REGULATORS WITH CONTROLLED OUTPUT VOLTAGE AND THE METHOD THEREOF - A voltage regulator provides an output voltage and an output current. The output voltage decreases with an increase of the output current when the output current is lower than a current breaking point, and the output voltage is maintained when the output current reaches the current breaking point. | 2019-11-07 |
20190341844 | TECHNIQUES FOR SWITCH CAPACITOR REGULATOR POWER SAVINGS - Techniques for improving efficiency of a switched-capacitor voltage regulator are provided. In an example, a switched-capacitor voltage regulator can include a switched-capacitor network having multiple gain configurations, a clock configured to switch capacitors of the switched-capacitor network between a charge state and a discharge state to provide a scaled output voltage, and a controller configured to select a capacitor configuration associated with a gain of the multiple gain configurations to provide the scaled output voltage within a desired output voltage range while continuously switching the capacitor configuration, and to interrupt switching of the capacitor configuration to permit an output voltage of the switched-capacitor voltage regulator to fall below the scaled output voltage but to remain above a lower limit of the desired output voltage range to save power by reducing losses due to the switching. | 2019-11-07 |
20190341845 | STEP-UP CONVERTER - An embodiment provides a technology of controlling, in a step-up converter using a flying capacitor, a charging/discharging balance of the flying capacitor by connecting an auxiliary capacitor in parallel to the flying capacitor in one time interval and connecting the auxiliary capacitor to the flying capacitor in series in another time interval, in each control period. | 2019-11-07 |
20190341846 | Voltage Converter and Method for Voltage Conversion - A voltage converter comprises a first to a third capacitor ( | 2019-11-07 |
20190341847 | INSULATED POWER SOURCE AND POWER CONVERSION DEVICE - To suppress a leakage current flowing through a parasitic capacitor of an insulated transformer of a high-side insulated power. The present invention suppresses a common mode current using a common mode reactor by focusing on the fact that a leakage current flowing through a parasitic capacitor of an insulated transformer of a high-side insulated power source resulting from a high-frequency signal generated due to an on/off operation of a high-side switching element is the common mode current. The common mode reactor reduces the common mode current and bears the high-frequency signal to prevent the high-frequency signal from being applied to the insulated transformer of the high-side insulated power source, suppress the leakage current flowing through the parasitic capacitor of the insulated transformer, and reduce an erroneous operation of the high-side switching element generated due to the leakage current flowing through the parasitic capacitor of the insulated transformer. | 2019-11-07 |
20190341848 | POWER SUPPLY AND CONTROL METHOD FOR POWER SUPPLY - A current detection circuit included in a power supply detects a current flowing to an inductance element from a detection tap of an inductance element connected between an output terminal and an output of a first switching element. A control circuit included in the power supply controls a first control terminal of the first switching element and a second control terminal of a second switching element and calculates an output current flowing to a load based on the current detected by the current detection circuit. | 2019-11-07 |
20190341849 | RESONANT RECTIFIED DISCONTINUOUS SWITCHING REGULATOR WITH INDUCTOR PREFLUX - A switched-mode power regulator circuit has four solid-state switches connected in series and a capacitor and an inductor that regulate power delivered to a load. The solid-state switches are operated such that a voltage at the load is regulated by repetitively (1) prefluxing the inductor then charging the capacitor causing an increased current to flow in the inductor and (2) prefluxing the inductor then discharging the capacitor causing increased current to flow in the inductor. The inductor prefluxing steps enable the circuit to provide increased output voltage and/or increased output current. | 2019-11-07 |
20190341850 | Hybrid Buck-Boost Converter - A power converter and a method to convert between a first voltage at a first node and a second voltage at a second node is presented. The power converter has a flying capacitor, an inductor, a first switch, a second switch, a third switch, a fourth switch, and a fifth switch. Furthermore, the power converter has a control unit to control the first, second, third, fourth and fifth switches in a first sequence of operation phases to provide step-up conversion between the first voltage and the second voltage; and in a second sequence of operation phases to provide step-down conversion between the first voltage and the second voltage. | 2019-11-07 |
20190341851 | POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING POWER SUPPLY DEVICE - A chopper section of a power supply device includes a plurality of step-down chopper circuits, and multiphase control of the step-down chopper circuits is performed using gate signals having phases displaced from each other. This shortens the period with which output signals of the step-down chopper circuits are changed. Shortening the period reduces the amount of jitter resulting from a gap between the occurrence of a command signal and a sampling point that is a point in time at which a gate signal is generated. The number of phases of the gate signals equals the number of phases of the step-down chopper circuits. The control of the gate signal generator is asynchronous to feedback control by the controller. Points in time (sampling points) at which gate signals are generated are points in time of generation (sampling points) after a point in time at which the controller calculates a manipulated value. | 2019-11-07 |
20190341852 | SWITCHED-MODE POWER SUPPLY - A switched-mode power supply includes: a switching converter converts an input voltage into an output voltage in accordance with a switching signal, wherein the switching converter includes a transformer providing galvanic isolation between a primary side and a secondary side of the switching converter; and a wake-up circuit connected to the secondary side of the switching converter, the wake-up circuit coupled to the secondary side of the switching converter and operable to generate a feedback signal that indicates whether the output voltage is greater than or equal to a threshold value. A primary side regulator generates a control signal depending on a reference value and a measured value (V | 2019-11-07 |
20190341853 | DC Voltage Detector Isolation Circuit - In one embodiment, a power supply circuit has a power source, an inductor in series with a switching transistor connected to the power source, a pair of isolation capacitors connected across the switching transistor, a load connected to the isolation capacitors such that they isolate the load from low frequency energy from the power source, and a resonance circuit configured to amplify resonant ringing connected at least one of in parallel to the inductor or in parallel to the switching transistor. | 2019-11-07 |
20190341854 | SWITCHING POWER SUPPLY DEVICE - A switching power supply device includes: an inverter circuit including an upper side first switching element and a lower side second switching element connected in series; a control unit; and a bootstrap capacitor that is charged during a period in which the second switching element is turned on and that serves as a power supply configured to turn on the first switching element during a period in which the second switching element is turned off. In a burst mode at a light load, the control unit provides only the first switching element with a pause period in which a state of a switching element becomes an off-state for a certain amount of time, such that the first switching element performs the switching operation intermittently. | 2019-11-07 |
20190341855 | POWER CONVERSION CIRCUIT FOR PHOTOVOLTAIC POWER GENERATION WITH HIGH EFFICIENCY OVER WIDE INPUT VOLTAGE RANGE - The present invention relates to a technique for expanding an input voltage range of a power conversion circuit for photovoltaic power generation, and improving the efficiency of the power conversion circuit. | 2019-11-07 |
20190341856 | ADAPTOR, POWER SUPPLY SYSTEM AND POWER SUPPLY METHOD THEREOF - There is provided an adaptor, which includes an input circuit that rectifies an alternating current (AC) power input from outside the adaptor to a direct current (DC) voltage; a first converter that converts the rectified DC voltage to a first DC voltage in a specific level and an output circuit that applies the first DC voltage in the specific level to an electronic apparatus including a power factor correction (PFC) circuit. | 2019-11-07 |
20190341857 | POWER CONVERSION DEVICE - A power conversion device that converts power supplied via a first power feed bus and a second power feed bus, and includes: an inductance element connected to the first power feed bus; and a power module that converts power supplied between the first power feed bus and the second power feed bus by switching. The power conversion device further includes: a housing that houses the inductance element and the power module therein; and a first impedance element provided between the inductance element and the housing. | 2019-11-07 |
20190341858 | SYNDEM Converter - A Power Electronic Converter with All Voltage and Current Sensors Connected to a Common Reference Point - This invention discloses a power electronic converter that has a common reference point for the measurement of voltages and currents, making it possible to use non-isolated or isolated voltage and current sensors. The disclosed converter has an N-type power electronic conversion leg that consists of two sets of power electronic devices with their both ends connected to a capacitor to form a DC bus and their mid-point connected to the common reference point through an inductor and a current sensor. The disclosed converter has one or more power electronic conversion leg that consists of two sets of power electronic devices with the positive end connected to the positive rail of the DC bus and the negative end connected either to the common reference point N, in which case the power electronic conversion leg is denoted the A-type, or to the negative rail of the DC bus, in which case the power electronic conversion leg is denoted the B-type. For each present A-type or B-type power electronic conversion leg, its mid-point is connected to one terminal of the corresponding input/output port, together with a current sensor connected between the common reference point and the other terminal of the corresponding input/output port. The disclosed converter also has a capacitor connected to the positive rail of the DC bus and the common reference point through a current sensor. A storage system and/or a load can be connected in parallel with or in place of this capacitor. The disclosed converter can be used for DC/DC, AC/DC, DC/AC, and AC/AC conversion. | 2019-11-07 |