24th week of 2015 patent applcation highlights part 59 |
Patent application number | Title | Published |
20150162751 | WIRELESS CHARGING OF CLOTHING AND SMART FABRICS - The present disclosure may provide various electric receiver arrangements included in clothing pieces that require electric current to perform tasks, such as warming, cooling and displaying. Suitable wireless power transmission techniques, like pocket forming, may be used to provide the clothing pieces with wireless power. In some embodiments, receivers may include at least one antenna connected to at least one rectifier and one power converter. In other embodiments, receivers including a plurality of antennas, a plurality of rectifiers or a plurality of power converters may be provided. In addition, receivers may include communications components which may allow for communication to various electronic equipment including transmitters. | 2015-06-11 |
20150162752 | WIRELESS POWER TRANSMISSION SYSTEM AND METHOD - A wireless power transmission system ( | 2015-06-11 |
20150162753 | SYSTEM AND METHOD TO AVOID MAGNETIC POWER LOSS WHILE PROVIDING ALTERNATING CURRENT THROUGH A FERROMAGNETIC MATERIAL - This disclosure provides systems, methods and apparatus for avoiding magnetic power loss while providing alternating current through a ferromagnetic material. In one aspect, the ferromagnetic material includes at least one orifice. At least one electrical conduit extends through the at least one orifice from a first region on a first side of the ferromagnetic material to a second region on a second side of the ferromagnetic material, the second side opposite to the first side. The at least one electrical conduit is configured to have at least one alternating current flowing along the at least one electrical conduit between the first region and the second region. The ferromagnetic material and the at least one electrical conduit are configured to reduce power loss caused by a circumferential magnetic flux generated within the ferromagnetic material by the at least one alternating current. | 2015-06-11 |
20150162754 | POWER RECEIVING UNIT, POWER RECEIVING CONTROL METHOD, NON-CONTACT FEED SYSTEM, AND ELECTRONIC APPARATUS - A power receiving unit includes: a power receiving section configured to receive power that is fed from a power feeding unit in a non-contact manner; a rectification section configured to rectify the power received by the power receiving section; a method determination section configured to identify a feeding method of the power feeding unit; and a target voltage setting section configured to set a target voltage of the power rectified by the rectification section, to a value corresponding to the feeding method identified by the method determination section. | 2015-06-11 |
20150162755 | WIRELESS POWER RECEIVING APPARATUS - A rectifier circuit rectifies a current that flows through a reception coil. A smoothing capacitor is connected to the output of the rectifier circuit. A judgment unit generates a notification signal that corresponds to a comparison result obtained by comparing the voltage V | 2015-06-11 |
20150162756 | BACK-UP POWER SUPPLY FOR MOBILE PHONE - A mobile phone back-up power supply includes: a protection case configured to receive a mobile phone; a battery charging module detachably connected to the protection case; an interface terminal having one end electrically coupling to the charging module and having another end matching a charging interface of the mobile phone; and a terminal fixed at one end of the separation board covering the interface terminal. The battery charging module includes: a bottom housing defining a cavity; a battery received in the cavity; a charging module received in the cavity; and a separation board covering the charging module and the battery. | 2015-06-11 |
20150162757 | STORAGE SYSTEM - According to one embodiment, a storage system includes storage devices configured to execute communication by using an identifier, a converter configured to convert the identifier of the storage devices, a controller configured to execute communication with the storage devices via the converter by using the identifier converted by the converter, convert a DC power output from the storage devices into a DC power of a predetermined magnitude and output the DC power, and charge the storage devices with the DC power of the predetermined magnitude, an AC/DC converter configured to convert the DC power output from the controller into an AC power, convert an AC power supplied from a distribution system into a DC power and supply the DC power to the controller, and a controller configured to control the controller and the AC/DC converter. | 2015-06-11 |
20150162758 | CHARGING ASSEMBLY AND CHARGING CONTROL METHOD - A charging assembly and a charging control method are provided for charging a battery pack in a fast charging voltage value which is greater than the rated charging voltage value. The charging assembly includes a battery pack, a charger and a control system configured to control the charger to charge the battery pack with a constant charging current. The method includes: detecting the open-circuit voltage of each battery cell and screening out a maximum open-circuit voltage value, calculating a maximum charging duration and controlling the charger to charge the battery cell assembly with a constant current when the charging voltage is equal to the fast charging voltage value or reaches the maximum charging duration. | 2015-06-11 |
20150162759 | Voltage Detection Device and Equalization Device - A voltage detection device for detecting a voltage across the both ends of each of plural unit batteries which are connected to each other in series, includes lowpass filters which are connected to the respective unit batteries, a first voltage detector detects a voltage across the both ends of each of the unit batteries that is supplied via the corresponding lowpass filter, a second voltage detector which detects a voltage across the both ends of each of the unit batteries that is supplied without passage through the corresponding lowpass filter, and a failure detector which detects whether the lowpass filter is in failure by comparing detection value detected by the first voltage detector with a detection value detected by the second voltage detector. | 2015-06-11 |
20150162760 | Portable multiple mobile electronic device charging station - Compact and portable station for charging multiple mobile devices is described, embodiments of the station include: an interlocking charging base, connectable to up to six bases with one 120V | 2015-06-11 |
20150162761 | BATTERY DISCHARGE DEVICE WITH SELF-ADJUSTING RESISTANCE - A battery discharge device according to an exemplary aspect of the present disclosure includes, among other things, a sensor configured to sense a parameter of a high voltage source, a controller in communication with the sensor and a discharge circuit that discharges energy stored on the high voltage source in response to a command signal from the controller. The discharge circuit includes a plurality of resistors connected in parallel to one another. | 2015-06-11 |
20150162762 | METHOD AND APPARATUS FOR CONTROLING CHARGING PROCESS - An apparatus for controlling a charging process is provided. The apparatus comprises a first interface, a second interface, and a switch connected therebetween. The first interface may be electrically connectable to a charger to receive power, and the second interface may be electrically connectable to a device. The switch may receive a signal transmitted from the device and, in response to the signal, turn on/off the power provided from the first interface to the second interface. The apparatus is compatible with existing chargers. | 2015-06-11 |
20150162763 | SECONDARY PROTECTION IC, METHOD OF CONTROLLING SECONDARY PROTECTION IC, PROTECTION MODULE, AND BATTERY PACK - A secondary protection IC is connected in parallel with a rechargeable battery and controls the charge and discharge of the rechargeable battery separately from a primary protection IC. The secondary protection IC includes a detection circuit that detects an overcharge or overdischarge of the rechargeable battery, a regulator that stabilizes the voltage of the rechargeable battery and outputs the stabilized voltage to the outside of the rechargeable battery, and a control terminal that controls the regulator with a control signal. Each of the detection circuit and the regulator performs a normal operation or stops operating based on the voltage of the rechargeable battery and the control signal. | 2015-06-11 |
20150162764 | Street Light Mounted Network-Controlled Charge Transfer Device for Electric Vehicles - A network-controlled charge transfer device for transferring charge between a local power grid and an electric vehicle is mounted to a street light. The charge transfer device includes the following: an electrical receptacle to receive an electrical connector for connection to the electric vehicle; an electric power line that couples the power grid to the electrical receptacle through a wiring box; a control device to switch the receptacle on and off; a current measuring device to measure current flowing through the electric power line; and a controller to operate the control device and to monitor output from the current measuring device. | 2015-06-11 |
20150162765 | BATTERY CONDITIONER WITH POWER DISSIPATER - The present application is directed to a power dissipation apparatus including a conductive trace formed on a substrate and to methods of using the power dissipation apparatus. The power dissipation apparatus may be used to dissipate heat generated from electrical current passed through the conductive trace of the power dissipation apparatus. The current may be provided from, for example, a battery conditioner. | 2015-06-11 |
20150162766 | PORTABLE TERMINAL CHARGING APPARATUS AND VEHICLE - A portable terminal charging apparatus for charging a portable terminal includes a body case which has a portable terminal mounting plate and is disposed on an upper face thereof, a charging coil which is movably provided in the body case opposed to a lower face side of the portable terminal mounting plate, driving unit for moving the charging coil so as to be opposed to the lower face side of the portable terminal mounting plate, and controller which is connected to the driving unit and the charging coil. The charging coil is provided with a support leg which is extended downward. | 2015-06-11 |
20150162767 | WIRELESS CHARGING DEVICE - A wireless charging device disclosed herein includes a housing having a wireless charging module mounted therein, an upper cover covering an upper surface of the housing, the upper cover having screw holes formed on one surface thereof, screws inserted into the screw holes to couple the housing and the upper cover to each other, magnets inserted into the screw holes to overlap the screws, and a pad disposed to cover the upper cover, the pad having a terminal mounting surface. | 2015-06-11 |
20150162768 | CONTROL METHOD AND CONTROL APPARATUS USING THE SAME - An acquisition unit acquires state of health of a storage battery provided to supply electric power, in which the state of health shows a smaller value as the storage battery deteriorates. A display unit performs notification when state of health acquired by the acquisition unit is smaller than a first threshold value. When the acquisition unit has not acquired state of health for a predetermined period, the display unit performs notification if the elapsed period from the manufacture of the storage battery is longer than a second threshold value. | 2015-06-11 |
20150162769 | METHOD FOR CHARGING A BATTERY AND BATTERY THUS CHARGED - The invention relates to a method for charging a battery comprising rechargeable cells. According to the invention, to perform the ith charge of the battery, where i≧2, connection of the charging terminals to the charger is detected triggering connection of the cells to their bypass circuit during a pre-emptive bypass time (TP | 2015-06-11 |
20150162770 | APPARATUS AND METHOD FOR MANAGING HEARING DEVICE - An apparatus for managing a hearing device through interoperation with a control terminal is provided. The apparatus may control, through an external control terminal, constituent elements configured to perform various operations of drying, cleaning, sterilizing, charging, and setting the hearing device. | 2015-06-11 |
20150162771 | SECONDARY BATTERY CONTROL APPARATUS - According to one embodiment, a secondary battery control apparatus includes a charger/discharger and a charge/discharge controller. The charger/discharger connects a plurality of secondary batteries, and charges one secondary battery by electric power discharged by another secondary battery. The charge/discharge controller controls the charger/discharger such that charging and discharging are performed between the plurality of secondary batteries by using the charger/discharger if battery temperature information detected by temperature detector is lower than a preset threshold temperature, wherein the charging is stopped and switched to discharging or pause if voltage information detected by the voltage detector reaches the upper limit voltage of the secondary battery, and the discharging is stopped and switched to charging or pause if the voltage information detected by the voltage detector reaches the lower limit voltage of the secondary battery. | 2015-06-11 |
20150162772 | VOLTAGE CUTOFF CIRCUIT FOR AN ELECTROCHEMICAL CELL - An electrical circuit designed to dynamically connect or disconnect an electrochemical cell to or from an electrical load based on the measured value of the discharge voltage generated by the cell is discussed. When the measured discharge voltage of an electrochemical cell is less than the threshold voltage, the cell is disconnected from an electrical load and when the discharge voltage is the same as, or greater than, the threshold voltage, the electrochemical cell is connected to an electrical load. The circuit is configured so that the value of the threshold voltage increases from an initial value when the electrochemical cell is first disconnected from the electrical load. | 2015-06-11 |
20150162773 | FLYBACK QUICK START DRIVING CIRCUIT AND DRIVING METHOD - The present disclosure discloses a flyback quick start driving circuit, comprising: a voltage input unit, a transformer including a primary winding, a secondary winding, and an auxiliary winding, a driving unit for controlling the primary winding of the transformer, a voltage pull-up unit, and a feedback control unit. The voltage pull-up unit performs a charging process according to the direct-current from the voltage input unit, so as to enable the output voltage rise up to a starting voltage which is input the driving unit. The driving unit output a control signal to drive the primary winding. Thus, a voltage is created across the auxiliary winding. The feedback control unit gets the voltage of the auxiliary winding, and determines whether to stop the charging of the voltage pull-up unit or not according to the voltage of the auxiliary winding. The circuit can be started quickly and have lower loss of the power. | 2015-06-11 |
20150162774 | METHOD AND APPARATUS FOR DRAWING POWER FROM A BATTERY - A portable device capable of drawing power from a battery is provided. In an embodiment, the portable device can be slideably adjusted to be positioned over the positive and negative terminals of any sized battery regardless of the distance or orientation of the positive and negative terminals of the battery. Once positioned over the positive and negative terminals of the battery, the device is capable of drawing power from the battery and stepping down the power or converting the power from DC power to AC power so that the stepped down power or AC power can be used to power a portable device. | 2015-06-11 |
20150162775 | BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE - Provided is a battery device with high convenience, which is capable of setting overcurrent release impedance to be low. The battery device includes: a first comparator circuit for detecting an overcurrent based on a first reference voltage; and a second comparator circuit for outputting an overcurrent release voltage control signal based on a second reference voltage that is higher than the first reference voltage. | 2015-06-11 |
20150162776 | BIDIRECTIONAL POWER MANAGEMENT TECHNIQUES - Power management techniques are disclosed. For instance, an apparatus may include a bidirectional voltage converter circuit, and a control module that selectively operates the bidirectional voltage converter circuit in a charging mode and a delivery mode. The charging mode converts a voltage provided by an interface (e.g., a USB interface) into a charging voltage employed by an energy storage module (e.g., a rechargeable battery). Conversely, the delivery mode converts a voltage provided by the energy storage module into a voltage employed by the interface. Other embodiments are described and claimed. | 2015-06-11 |
20150162777 | Battery Charging Circuit with Serial Connection of MOSFET and An Enhancement Mode JFET Configured as Reverse Blocking Diode with Low Forward Voltage Drop - A semiconductor die with integrated MOSFET and diode-connected enhancement mode JFET is disclosed. The MOSFET-JFET die includes common semiconductor substrate region (CSSR) of type-1 conductivity. A MOSFET device and a diode-connected enhancement mode JFET (DCE-JFET) device are located upon CSSR. The DCE-JFET device has the CSSR as its DCE-JFET drain. At least two DCE-JFET gate regions of type-2 conductivity located upon the DCE-JFET drain and laterally separated from each other with a DCE-JFET gate spacing. At least a DCE-JFET source of type-1 conductivity located upon the CSSR and between the DCE-JFET gates. A top DCE-JFET electrode, located atop and in contact with the DCE-JFET gate regions and DCE-JFET source regions. When properly configured, the DCE-JFET simultaneously exhibits a forward voltage Vf substantially lower than that of a PN junction diode while the reverse leakage current can be made comparable to that of a PN junction diode. | 2015-06-11 |
20150162778 | ELECTRIC POWER SUPPLY APPARATUS, ELECTRIC POWER RECEIVING APPARATUS, METHOD OF CONTROLLING ELECTRIC POWER SUPPLY APPARATUS, AND METHOD OF CONTROLLING ELECTRIC POWER RECEIVING APPARATUS - The present invention provides a technique to control a distribution of electric power depending on electric power consumption of each of a plurality of electric power receiving apparatuses. | 2015-06-11 |
20150162779 | METHOD AND APPARATUS FOR TRANSMITTING WIRELESS POWER - A method and apparatus are provided for transmitting wireless power in a wireless power network managed by a wireless power transmitter. The method includes transmitting a command signal, at stated periods, that controls the first wireless power receiver to report power information to the wireless power transmitter; determining whether a report signal corresponding to the command signal is received from the first wireless power receiver; and determining that the first wireless power receiver is removed from the wireless power network, when the report signal is not received from the first wireless power receiver after transmitting the command signal a predetermined number of times at the stated periods. | 2015-06-11 |
20150162780 | MULTIMEDIA TERMINAL DEVICE FOR HIGH-SPEED CHARGING AND METHOD OF CONTROLLING THE SAME - A multimedia terminal device for high-speed charging that allows for high-speed charging of a portable electronic device connected to a multimedia terminal and a method of controlling the same are provided. The multimedia terminal device includes a power converter that is configured to convert a voltage from a battery to a voltage for the high-speed charging and to supply the converted voltage to the multimedia terminal. In addition, a switching circuit is configured to select a high-speed charging mode when an engine is driven and a low-speed charging when the engine is stopped. | 2015-06-11 |
20150162781 | Illumination-Based Charging System for Portable Devices - The disclosure is directed to illumination-based charging of one or more portable devices. According to an embodiment of the disclosure, an illumination-based charging pad includes a platform, a plurality of illumination sources, a plurality of photosensitive detectors, and a controller. The controller performs a scan by activating the illumination sources and detecting reflected illumination from an illuminated surface of at least one portable device disposed upon the platform. The controller determines a set of one or more illumination sources that are at least partially overlaid by the portable device based upon the detected illumination. The controller selects one or more illumination sources for charging the portable device at least partially based upon the set of one or more illumination sources determined to be overlaid by the portable device. | 2015-06-11 |
20150162782 | METHOD AND SYSTEM FOR A DUAL CONVERSION UNINTERRUPTIBLE POWER SUPPLY - A method and system for an uninterruptible power supply (UPS) are provided. The UPS includes a three-phase high power transformer, an active or passive-rectifier configured to generate and regulate a set of DC link voltages, and a set of cascaded inverters configured to generate an AC voltage using the DC link voltages. The UPS also includes a set of bi-directional battery converters configured to charge a bank of backup batteries when power is available from an AC mains source and discharge the bank of backup batteries to generate a three-phase AC voltage when the AC mains source voltage falls outside a predetermined range. The UPS further includes a bypass switch configured to electrically couple the AC mains source directly to a load when the UPS is in a bypass mode of operation and electrically couple the bank of backup batteries to the load through the set of bi-directional battery converters and the transformer. | 2015-06-11 |
20150162783 | AC POWER SUPPLY SOURCE SWITCHING APPARATUS - An AC power supply source switching apparatus includes a switch and a switch connecting a load to an AC power supply system and a DC secondary battery, respectively. When one switch, which is driven to turn off, did not actually turn off, the switch is driven to turn off again after being turned on. When an impedance of the load decreases and a load current flows in a load line, no AC voltage is developed on the load line. As a result, it is determined that the switch has actually turned off. Then the other switch is turned on thereby to switch over connection of the load. | 2015-06-11 |
20150162784 | Vehicle-Solar-Grid Integration - This invention comprises a method and apparatus to integrate underutilized Electric Vehicle battery packs with similarly underutilized solar PhotoVoltaic grid-tied inverters via an EVPV apparatus to provide ancillary services to the electric grid at night when the vehicles are parked and the sun is not shining. | 2015-06-11 |
20150162785 | METHOD AND APPARATUS FOR PERIODICALLY CHANGING FREQUENCY IN WIRELESS POWER TRANSFER - Disclosed are a wireless power transfer apparatus, and a method of changing a frequency in the wireless power transfer apparatus, in which the magnetic field intensity in a specific frequency band is decreased by periodically changing the frequency of a wireless power signal, so that it is possible to spread a frequency spectrum. To this end, a wireless power transfer apparatus includes a power transmission unit and a control unit. The power transmission unit generates a wireless power signal for transferring wireless power based on a carrier signal. The control unit determines a sweep frequency range and sweep period for the carrier signal and controls the power transmission unit to periodically change the frequency of the wireless power signal by periodically changing the frequency of the carrier signal based on the determined sweep frequency range and sweep period. | 2015-06-11 |
20150162786 | TRANSVERSE FLUX STATOR GEOMETRY - An electrical machine includes a rotor for rotation about a rotational axis, a coil arranged circumferentially with respect to and encircling the rotational axis, and a stator assembly. The stator assembly includes a unitary lamina comprising a plurality of extending members integral therewith, the extending members being bent to form a plurality of opposing extending members about the coil. The electrical machine is at least one of a transverse flux machine or a commutated flux machine. Methods of manufacturing stators for assembly with rotors to form electrical machines are also disclosed. | 2015-06-11 |
20150162787 | ROTARY ELECTRIC MACHINE AND MANUFACTURING METHOD THEREFOR - A stator winding is formed by mounting winding bodies individually into pairs of slots of a stator core separated by a predetermined number of slots, the winding bodies each being formed by winding a jointless, continuous conductor wire coated with insulation for m turns into a helical shape such that end portions of rectilinear portions are linked by coil ends, where m is a natural number that is greater than or equal to two, and the coil ends include a top portion that displaces by a predetermined amount in a radial direction at an approximately central portion between the linked rectilinear portions, the radial displacement at the top portions is approximately a×d, where a is a natural number that is greater than or equal to 1 and less than or equal to (m−1), and d is a radial thickness of the rectilinear portions. | 2015-06-11 |
20150162788 | ROTOR CORE ASSEMBLY FOR A RELUCTANCE MOTOR AND MANUFACTURING METHOD OF THE SAME - A rotor core assembly for a reluctance motor and a manufacturing method of the same, wherein the rotor core assembly has multiple silicon steel laminations and a nonmagnetic material. The silicon steel laminations are axially stacked, and each silicon steel lamination has multiple magnetic flux sections. Each magnetic flux section has multiple arcuate grooves and multiple salient poles. The arcuate grooves are concentrically arranged. The salient poles protrude into the grooves. The nonmagnetic material is disposed in the grooves, and is wrapped around the salient poles, which enables the silicon steel laminations to remain securely assembled together. The salient poles are disposed in the grooves to avoid ruining the magnetic line of force. As a result, the rotor core assembly can keep rigidity of the assembled silicon steel laminations, and can keep the integrity of the magnetic circuit. | 2015-06-11 |
20150162789 | ROTOR AND DYNAMO-ELECTRIC MACHINE HAVING THE SAME - Each permanent magnet provided in a rotor includes a projection that projects toward a corresponding predetermined portion of the rotor core. An inner peripheral surface of each permanent magnet, which is radially opposed to the corresponding predetermined portion of the rotor core, includes a primary contacting portion and two primary non-contacting portions. The primary contacting portion contacts the corresponding predetermined portion of the rotor core at a circumferential location, which corresponds to the projection. The primary non-contacting portions do not contact the rotor core and are located on two circumferentially opposite sides, respectively, of the primary contacting portion. | 2015-06-11 |
20150162790 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes a rotor including: a rotor core divided into blocks in an axial direction, the blocks being arranged to have a phase angle therebetween in a circumferential direction, the rotor core having magnet through holes arrayed in the circumferential direction and formed in an outer circumferential region; and permanent magnets inserted into the magnet through holes. The magnet through hole includes: a magnet insertion portion into which the permanent magnet is inserted; and a non-magnetic portion provided on an outer side of the magnet insertion portion in the circumferential direction. A bridge portion is formed between the outer circumferential surface and an outer circumferential inner wall of the non-magnetic portion. A bridge angle, which is an angle between both circumferential ends of the bridge portion with a rotation center of the rotor core set as a vertex, is larger than a skew angle. | 2015-06-11 |
20150162791 | ROTOR AND MOTOR INCLUDING THE SAME - A rotor may include a non-magnetic member including a through hole in which a rotational shaft is inserted, a plurality of core members received in the non-magnetic member and arranged radially with respect to the through hole to form pockets, and a plurality of magnets inserted in the pockets. An outer circumferential surface of the magnet is covered with the non-magnetic member. A motor including such rotor may be achieved. | 2015-06-11 |
20150162792 | PERMANENT MAGNET ROTOR - A permanent magnet rotor including a rotor core and permanent magnets. The rotor core includes a plurality of magnetic induction blocks. A plurality of radial recesses are formed between every two adjacent magnetic induction blocks for mounting the permanent magnets. The magnetic induction blocks protrude at both sides of the opening of the radial recesses to form hook blocks. The permanent magnets include a first permanent magnet and a second permanent magnet. The first permanent magnet includes a north pole strong magnetic surface and a south pole weak magnetic surface. The second permanent magnet includes a north pole weak magnetic surface and a south pole strong magnetic surface. The first permanent magnet and the second permanent magnet are alternately disposed in the radial recesses. | 2015-06-11 |
20150162793 | STATOR - A stator configured with an annular stator core, and a plurality of coils mounted on the stator core. The bus bar portion being connected to the terminal portion of a different one of the coils of the same phase. The coil is a multi-layer coil that is formed by winding the conductor in a plurality of layers in an inside-outside direction of loops in the winding portion, and that includes on inner and outer peripheral sides of a coil end portion of the coil a plurality of lane change portions formed by the conductor. The bus bar portion is embedded in a clearance between the lane change portions of the coil of a different phase placed between the coils of the same phase which are connected to each other. | 2015-06-11 |
20150162794 | ARMATURE AND MOTOR - There is provided an armature including a shaft; a core attached to the shaft; a commutator that is attached to the shaft, and includes a plurality of commutator segments; windings that are wound onto the core, and are connected to the respective commutator segments; and a short-circuit member that connects together a pair out of the plurality of commutator segments, and is disposed further to the commutator radial direction outside than an outer peripheral portion of the commutator. | 2015-06-11 |
20150162795 | ARMATURE WINDING OF ROTATING ELECTRICAL MACHINE - According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of each phase including six parallel circuits separated into two phase belts. Upper coil pieces of first and fourth parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, and lower coil pieces of the first and fourth parallel circuits are placed at 1st, 6th, 9th, and 10th positions, upper and lower coil pieces of second and fifth parallel circuits are placed at 2nd, 5th, 8th, and 11th positions, and upper coil pieces of third and six parallel circuits are placed at 1st, 6th, 9th, and 10th positions, and lower coil pieces of the third and six parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, from the center of a pole. | 2015-06-11 |
20150162796 | STATOR AND ROTATING ELECTRICAL MACHINE EQUIPPED WITH THE SAME | 2015-06-11 |
20150162797 | Rotor of an Electric Generator for Generating Electricity in Power Plants - The invention relates to a rotor of an electric generator for generating electricity in power plants, with support elements ( | 2015-06-11 |
20150162798 | BRUSHLESS MOTOR - A brushless motor includes a stator | 2015-06-11 |
20150162799 | MAGNETICALLY COUPLED FLYWHEEL - A stabilization system for a rotating load, such as a flywheel, includes a mechanical bearing to continuously support a shaft of the rotating load so as to hold the shaft at a substantially fixed axis of rotation. A magnetic stabilization assembly includes a plurality of electromagnets arranged around the shaft. Control circuitry for controls a resultant magnetic field generated by the electromagnets such that the magnetic field acts on a ferromagnetic element of the shaft to reduce imbalance forces acting on the shaft. | 2015-06-11 |
20150162800 | Actuator Compromising Two Magnetic Bearing Motors - The invention relates to an actuator comprising two magnetic bearing motors. The actuator is characterized in that it comprises two magnetic bearing motors (I, Ibis), one extending from the other, said two bearing motors (I, Ibis) being offset angularly in relation to one another. The actuator is also characterized in that an active or passive stop ( | 2015-06-11 |
20150162801 | ENERGY RECLAMATION FROM AIR-MOVING SYSTEMS - A data center includes a computing room, computing devices in the computing room, an air handling system, and a turbine system. Air moved by the air handling system flows across heat producing components in the computing devices in the computing room. A rotor of the turbine system rotates in response to at least a portion of the air moved by the air handling system. The turbine system generates electricity from rotation of the rotor. | 2015-06-11 |
20150162802 | Systems, Computer Medium and Computer-Implemented Methods for Harvesting Human Energy in the Workplace - Provided are embodiments of systems, computer medium and computer-implemented methods for harvesting human energy from an employee. The techniques including determining an amount of energy harvested, and selectively enabling/disabling one or more electronic user devices based at least in part on the amount of energy harvested. The amount of energy harvested including kinetic energy and neural energy. The kinetic energy having been harvested by a kinetic energy system including one or more kinetic energy harvesting devices that harvest kinetic energy generated by physical activity of an employee. The neural energy having been harvested by a neural energy system that includes one or more neural energy harvesting devices that harvest neural energy generated by neural activity of the employee. | 2015-06-11 |
20150162803 | FOOT-POWERED ENERGY GENERATOR - A foot-powered energy generation device includes a step plate that moves between an upper position and a lower position in response to the step action of a user. The device also includes an electrical generator, and a gear train that will cause a rotor of the generator to rotate in response to movement of the step plate up and down. A carriage is mechanically interconnected to the step plate and the gear train to cause the rotation of the gear train in response to the step plate motion. | 2015-06-11 |
20150162804 | ROTOR WITH COOLING MANIFOLDS - A rotor is disclosed, which includes a plurality of axially extending slots disposed about the rotor; a plurality of conductors radially stacked within each of the axial slots; and an axially extending subslot at a radially inward end of each of the slots. In each slot, a cooling path is provided, extending radially outward from the subslot. The cooling path includes at least one manifold, each manifold including at least one ingress passage, at least one egress passage axially distanced from the ingress passage, and a plurality of axially extending passages in fluid connection at a first end with one of the at least one ingress passages, and at a second end with one of the at least one egress passages. Each of the plurality of axially extending passages is disposed at a different radial depth in the slot from each other axially extending passage. | 2015-06-11 |
20150162805 | ROTOR OF ROTATING ELECTRICAL MACHINE AND ROTATING ELECTRICAL MACHINE - A rotor of a rotating electrical machine includes a rotor iron core, a plurality of duct members, a plurality of permanent magnets, and a plurality of through holes. The rotor iron core includes a plurality of iron core blocks. The plurality of duct members are each disposed between two adjacent iron core blocks among the plurality of iron core blocks and each include a circular duct plate including a plurality of radial duct pieces disposed in the circular duct plate. The plurality of permanent magnets are disposed in each of the plurality of iron core blocks. The plurality of through holes are disposed in the duct plate for the plurality of permanent magnets to be disposed in the plurality of through holes. | 2015-06-11 |
20150162806 | ROTARY ELECTRIC MACHINE - Provided is a rotary electric machine capable of improving cooling performance for a stator coil and a stator core. In the rotary electric machine, an outer-side outer diameter portion ( | 2015-06-11 |
20150162807 | LINEAR MOTOR HAVING OPTIMIZED POWER - Linear motor having optimized power, including a U-shaped profiled stator housing, which forms an inner installation space for receiving a winding packet consisting of multiple coils. The installation space is delimited on the cover side by a carriage driven so it is longitudinally displaceable by magnetic force on the stator housing, on which carriage a length scale is fastened, opposite to which a position sensor is arranged in the stator housing. The installation area for the arrangement of the winding packet in the stator housing is uninfluenced by the position sensor also arranged in the stator housing. | 2015-06-11 |
20150162808 | ROTARY ELECTRIC MACHINE WITH POWER CONVERTER - A rotary electric machine with a power converter includes: a stator that has stator windings; a rotor that has a rotor winding; a rotational position detecting sensor that outputs a rotational position signal of the rotor; a case that contains the stator and the rotor; a field module that is connected to the rotor winding; power modules, each of which is connected to each of the stator windings and has a current detector, a first switching element, and a second switching element; a heat sink fixed to the field module and the power modules; and a control substrate that outputs control signals to the field module and the power modules based on the rotational position signal from the rotational position detecting sensor. The first switching element is connected in series to the second switching element; and the current detector and both switching element are molded with insulating resin. | 2015-06-11 |
20150162809 | MOTOR TERMINAL, MOTOR TERMINAL ASSEMBLY HAVING THE SAME, AND METHOD OF ASSEMBLING MOTOR USING THE SAME - Disclosed herein is a motor terminal including a body including a connection terminal, a rear end portion allowing the connection terminal to be connected to a busbar terminal, and a front end portion allowing the connection terminal to be connected to a terminal of another component, and a pair of hook portions formed on both sides of the body, respectively, so as to be symmetrical on the basis of a criteria line passing a center of the body in a width direction, and configured so as to be open to be further away from each other as directed toward the front end portion from the rear end portion and to be elastically deformable. Consequently, it may be possible to prevent damage to the terminal and more effectively prevent the terminal from being inclined or biased in an initial state in which the terminal is inserted into a terminal hole. | 2015-06-11 |
20150162810 | MOTOR - A motor may include a housing, a motor assembly accommodated in the housing, and a mold cover having an outer circumferential surface. The outer circumferential surface may be coupled to the housing, which has electrical conducitivity. A noise filter is provided in the mold cover. A ground terminal of the noise filter is electrically connected to the outer circumferential surface of the mold cover. | 2015-06-11 |
20150162811 | APPARATUS FOR FORMING INSULATION FOR ELECTRICAL COMPONENTS - Embodiments of an apparatus for forming insulation for an electrical component are provided herein. In one embodiment an apparatus for forming an insulation for an electrical component may include an actuator to pull an electrical component in a substantially linear direction, wherein the actuator is configured to move the electrical component in at least one direction relative to the substantially linear direction; a material source configured to provide a material to one or more surfaces of the electrical component as the electrical component is moved proximate the material source, wherein the material comprises at least a portion of an insulation; and a plurality of movable dies having inner surfaces disposed such that the material conforms to the one or more surfaces of the electrical component as the electrical component is moved through the plurality of movable dies. | 2015-06-11 |
20150162812 | Heat Sink for a Linear Motor, and Linear Motor Having a Heat Sink - A heat sink for the primary section of a linear motor, which includes a coil assembly having at least one coil to be supplied with current during operation of the motor, is bounded by a circumferential outer edge and is adapted to accommodate the coil assembly of the primary section. The heat sink is arranged as an assembly formed in one piece, on which a mounting section is integrally molded circumferentially along the outer edge, the mounting section defining at least one contact area for the positioning of a closing plate, such that, when at least one closing plate is mounted as intended on the mounting section, a space is formed, bounded by the heat sink and the at least one closing plate, in which the coil assembly is accommodated. | 2015-06-11 |
20150162813 | MULTIFUNCTIONAL VOICE COIL MOTOR - A multifunctional voice coil motor is disclosed, the motor including a rotor including a bobbin and a plurality of magnets arranged at a periphery of the bobbin, a stator including a housing wrapping each magnet and a plurality of coil blocks each arranged at a position corresponding to that of each magnet, a base coupled to the housing, and an elastic member elastically supporting the rotor. | 2015-06-11 |
20150162814 | SELF-RECHARGING ELECTRIC GENERATOR SYSTEM - A self-recharging electric generator system in communication with an external system, where the external system includes a power source external to the self-recharging electric generator system, and the self-recharging electric generator system includes at least one electric motor configured to receive power from the power source of the external system, at least one generator configured to produce power to be supplied to the external system, and to the at least one electric motor, at least one sensing device configured to be connected with an onboard battery system of the external system, to sense a charge status of the onboard battery system, and a switch device electrically coupled with the at least one sensing device and configured to switch from the power source of the external system to the at least one generator as the source for supplying power to the at least one electric motor. | 2015-06-11 |
20150162815 | SWITCHING POWER SUPPLY DEVICE, ELECTRIC DEVICE, AND VEHICULAR DEVICE - A switching power supply device includes a switching circuit and a control circuit. The switching circuit includes multiple switching elements, an inductor, and a capacitor. The control circuit compares an input voltage of the switching circuit with a predetermined threshold voltage set for an operation switch, and controls the switching circuit to perform the operation switch between at least two power control operations based on a comparison result. The at least two power control operations includes at least two of a buck operation, a buck -boost operation, or a boost operation. The control circuit further performs an inrush current restriction operation in response to the operation switch in order to restrict a flowing of an inrush current to one of the switching elements, which turns on and outputs the input voltage through the inductor in response to the operation switch. | 2015-06-11 |
20150162816 | CURRENT CONVERSION DEVICE FOR A SINGLE- OR MULTI-AXIS ARRANGEMENT AND OPERATING METHOD - For operating multi-axis drive assemblies more reliably even in a field weakening range, a current conversion device is proposed which includes a voltage-source DC link, a plurality of inverters having each a DC input side connected to the voltage-source DC link and AC output-side terminals for connection to an electric motor, and a control device configured to short-circuit each of the inverters. A measurement device measures an electrical variable at each of the inverters. The control device determines based on the measured electrical variables independently for each of the inverters directly or indirectly whether a particular inverter is feeding energy into the voltage-source DC link, and short-circuits, when this is the case, the particular inverter independently of the other inverters. A corresponding operating method is also disclosed. | 2015-06-11 |
20150162817 | APPARATUS AND METHOD FOR CONTROLLING CHARGE FOR BATTERY - An apparatus for controlling a charge for a battery is provided. The apparatus includes an input unit that is configured to convert alternating current (AC) input power into direct current (DC) power. A first converter is configured to store or output the DC power and a circuit unit is configured to filter or boost output power based on a normal operation state or an instantaneous power failure state of the AC input power. In addition, a second converter is configured to convert the filtered or boosted power and supply the power to a high voltage battery. | 2015-06-11 |
20150162818 | SYSTEM ON A CHIP, APPARATUS AND METHOD FOR VOLTAGE RIPPLE REDUCTION ON A POWER SUPPLY LINE OF AN INTEGRATED CIRCUIT DEVICE OPERABLE IN AT LEAST TWO MODES - An apparatus for voltage ripple reduction on a power supply line of an integrated circuit device is provided to be operable in at least two modes. The apparatus includes: one or more clamping devices connectable to the power supply line; a clamp control unit; and a mode change detection unit arranged to monitor an interface of the integrated circuit device for one or more information indicating an upcoming mode change of the integrated circuit device and to provide a mode change signal to the clamp control unit when the one or more information is detected. The clamp control unit is arranged to connect at least one of the one or more clamping devices to the power supply line when receiving the mode change signal. | 2015-06-11 |
20150162819 | SHORT PROTECTION CIRCUIT FOR POWER SWITCH AND ASSOCIATED PROTECTION METHOD - A short protection circuit for protecting a power switch. The short protection circuit has a transistor and compares a differential voltage between a first end of the power switch and a second end of the power switch to a threshold voltage of the transistor only when the power switch is in an ON state; and wherein when the differential voltage is higher than the threshold voltage, the short protection circuit turns off the power switch. | 2015-06-11 |
20150162820 | Systems and Methods for Protecting Power Conversion Systems from Thermal Runaway - System and method for protecting a power conversion system. An example system controller includes a protection component and a driving component. The protection component is configured to receive a feedback signal, a reference signal, and a demagnetization signal generated based on at least information associated with the feedback signal, process information associated with the feedback signal, the reference signal, and the demagnetization signal, and generate a protection signal based on at least information associated with the feedback signal, the reference signal, and the demagnetization signal. The demagnetization signal is related to multiple demagnetization periods of the power conversion system, the multiple demagnetization periods including a first demagnetization period and a second demagnetization period. The driving component is configured to receive the protection signal and output a drive signal to a switch configured to affect a current flowing through a primary winding of the power conversion system. | 2015-06-11 |
20150162821 | POWER FACTOR CORRECTION CIRCUIT OF POWER CONVERTER - A power factor correction (PFC) circuit of a power converter is disclosed. The power converter includes a primary side coil, a secondary side coil, an inductive coil, and a power switch. The PFC circuit includes a zero current detection circuit for detecting an inductive signal of the inductive coil to generate a detection signal; an error detection circuit for generating an error signal corresponding to an output voltage signal or an output current signal according to a reference signal; a ramp signal generating circuit for generating a ramp signal; a comparison circuit for comparing the ramp signal with the error signal to generate a comparison signal; and a trigger circuit for generating a control signal to control the power switch and for controlling the ramp signal generating circuit to adjust a slope of the ramp signal according to the detection signal and the comparison signal. | 2015-06-11 |
20150162822 | BRIDGELESS POWER FACTOR CORRECTION CIRCUIT - A bridgeless power factor correction circuit as disclosed can include first and second input inductors, a series connection of a first diode and a first controllable semiconductor switch, and a series connection of a second diode and a second controllable semiconductor switch, the series connections being connected in parallel between positive and negative output terminals of the power factor correction circuit. The power factor correction circuit can include a switching circuit adapted to connect a capacitor between the input terminal and the output terminal such that the capacitor is connected between the first input terminal and a potential of the output terminal when input voltage connectable to the input terminals is positive and the capacitor is connected between the second input terminal and a potential of the output terminal when the input voltage connectable to the input terminals is negative. | 2015-06-11 |
20150162823 | PFC CIRCUITS WITH VERY LOW THD - A boost chopper circuit is described that an alternating current (AC) power source; at least one inductor connected to said AC power source; a rectifier connected to said inductor and AC power source; at least one switch shorting our said rectifier; a series circuit connected in parallel with said switch of at least one diode and a capacitor; and a load connected in parallel with said capacitor. A control technique is employed that includes turning on and off the switch in order to keep the average current per pulse cycle proportional to the AC input voltage during the same pulse cycle. | 2015-06-11 |
20150162824 | DC-DC VOLTAGE CONVERTER AND CONVERSION METHOD - A DC-DC converter uses a switched capacitor arrangement. A filter capacitor is connected between one terminal of the capacitor arrangement and a fixed voltage line and a calibration arrangement is used for setting or enabling selection of the capacitance of the filter capacitor. | 2015-06-11 |
20150162825 | Dynamic Load Matching Charge Pump for Reduced Current Consumption - A charge pump is regulated based up its output level. The regulation circuitry adjusts the frequency of the pump's clock based on feedback from pump's output. The pump's clock signal is generated by an oscillator whose frequency depends on a reference voltage level. The reference voltage level is dependent upon a regulation signal. In an example, a transistor whose gate is controlled by the regulation level is part of a series of elements in voltage divider, where the reference value is taken from a node of the divider. | 2015-06-11 |
20150162826 | APPARATUS FOR REGULATING OUTPUT VOLTAGE AND APPARATUS FOR BOOSTING VOLTAGE - There is provided an apparatus for regulating an output voltage, including: a sensing circuit sensing an output voltage from a charge pump; a comparator circuit receiving the output voltage from the sensing circuit so as to compare it with a predetermined reference voltage; and a limiter circuit regulating the output voltage according to an output signal from the comparator circuit. | 2015-06-11 |
20150162827 | POWER CONVERTER CALIBRATION METHOD AND APPARATUS - Methods and apparatus for a power regulator according to various aspects of the present invention may comprise a sensor adapted to generate a measurement of a voltage or a current. A memory may store a correction parameter that corresponds to the measurement, and a correction system may be adapted to adjust the measurement according to the correction parameter. | 2015-06-11 |
20150162828 | RECONFIGURABLE MULTIPHASE POWER STAGE FOR SWITCHED MODE CHARGERS - Methods, devices, and integrated circuits are disclosed for providing a buck converter charger in a multiphase buck converter topology comprising at least a first phase, a second phase, and an alternative charging switch, wherein the first phase includes a first high-side switch and a first low-side switch and the second phase includes a second high-side switch and a second low-side switch. The methods, devices, and integrated circuits may control at least one phase to operate as a boost converter, control at least one phase to operate as buck converter, and close the alternative charging switch in the multiphase buck converter topology to connect an alternative charging source to a system voltage output, the alternative charging switch coupled to the first phase between the first high-side switch and the first low-side switch. | 2015-06-11 |
20150162829 | Control Module of Constant On-Time Mode and Voltage Converting Device thereof - A control module of constant on-time mode for a voltage converting device, includes a comparing unit, for generating a comparing signal according to an enhanced feedback voltage and a comparing voltage; a feedback voltage generating unit, for generating the enhanced feedback voltage according to a voltage difference between a first reference voltage and a feedback voltage corresponding to an output voltage of the voltage converting device; a comparing voltage generating unit, for generating the comparing voltage according to a second reference voltage and a control signal; and a adjusting unit, for acquiring an average voltage of the enhanced feedback voltage and adjusting the first reference voltage according to a voltage difference between the average voltage and the second reference voltage. | 2015-06-11 |
20150162830 | POWER CONVERTER SOFT START CIRCUIT - PWM control circuits and soft start circuitry thereof are presented in which a source follower circuit provides an input to a pulse generator error amplifier during startup according to a lower one of an internal soft start circuit ramp signal and a voltage across and externally connected capacitor, with a current source connected to the source follower to limit the charging current supplied to the externally connected capacitor. | 2015-06-11 |
20150162831 | INTEGRATED CIRCUIT ADAPTED TO PERFORM POWER PATH CONTROL IN A MOBILE EQUIPMENT - An integrated circuit is provided that is adapted to perform power path control in a mobile equipment. The integrated circuit integrator external connections, and one or more alimentation switches adapted to switch on or off one or more external connections. The integrated circuit further integrates one or more driving switches of at least one DCDC buck converter. One driving switch is connected both to an external connection through an alimentation switch and to another external connection directly or through an alimentation switch. | 2015-06-11 |
20150162832 | Group III-V Voltage Converter with Monolithically Integrated Level Shifter, High Side Driver, and High Side Power Switch - There are disclosed herein various implementations of a monolithically integrated high side block. Such a monolithically integrated high side block includes a level shifter, a high side driver coupled to the level shifter, and a high side power switch coupled to the high side driver. The high side power switch is monolithically integrated with the high side driver and the level shifter on a common die. Each of the level shifter, the high side driver, and the high side power switch includes at least one group III-V device. | 2015-06-11 |
20150162833 | SWITCHING SHUNT REGULATOR CIRCUITS - A switching shunt regulator circuit includes a current source having an input for receiving an input voltage and an output for providing a DC current, and a shunt voltage regulator coupled to the output of the current source. The current source is configured to provide DC current to a DC load and DC current to the shunt voltage regulator when the DC load is coupled to the output. The DC current to the shunt voltage regulator regulates a voltage at the output. The shunt voltage regulator has a current carrying capacity greater than the sum of the DC current to the DC load and the DC current to the shunt voltage regulator. | 2015-06-11 |
20150162834 | Dual-Mode Voltage Doubling Buck Converter With Smooth Mode Transition - Devices and methods provide a voltage regulating device including voltage supply circuitry configured to receive a first voltage, generate at least a second voltage based on the first voltage, and output an output voltage, the output voltage being one of the first voltage and the second voltage based on a voltage selection signal; regulator circuitry configured to switch between the output voltage and a reference potential based on a control signal; and control circuitry configured to generate the control signal, the control signal having a first duty cycle if the output voltage is the first voltage and a second duty cycle if the output voltage is the second voltage, the control circuitry configured to adjust the second duty cycle based on, at least in part, a droop voltage in the regulator circuitry. | 2015-06-11 |
20150162835 | CONTROL METHOD AND CONTROL CIRCUIT FOR FOUR-SWITCH BUCK-BOOST CONVERTER - In one embodiment, a method of controlling a converter can include: (i) when first and fourth switches are on, and second and third switches are off, generating an on time signal according to an input voltage and a stable output voltage of the converter; (ii) generating an off time signal according to the input voltage and the stable output voltage of the converter; (iii) generating a reference time voltage according to a reference current signal and a reference voltage signal; and (iv) controlling the first, second, third, and fourth switches based on whether the on time signal is activated to indicate that the converter is operating in a buck mode, the off time signal is activated to indicate that the converter is operating in a boost mode, or the reference time signal is activated to indicate that the converter is operating in a buck-boost mode. | 2015-06-11 |
20150162836 | DYNAMIC SWITCH SCALING FOR SWITCHED-MODE POWER CONVERTERS - Techniques for optimizing the trade-off between minimizing switching losses and minimizing conduction losses in a buck converter. In an aspect, each of a high-side switch and a low-side switch may be implemented as a plurality of parallel-coupled transistors, each transistor having an independently controllable gate voltage, allowing adjustment of the effective transistor size. In response to the target voltage of the buck converter corresponding to a relatively high voltage range, more high-side switch transistors and fewer low-side switch transistors may be selected. Similarly, in response to the target voltage corresponding to a relatively low voltage range, more low-side switch transistors and fewer high-side switch transistors may be selected. In an aspect, the techniques may be applied during a pulse-frequency modulation mode. | 2015-06-11 |
20150162837 | ISOLATED POWER SUPPLY WITH INPUT VOLTAGE MONITOR - A power converter can include an electrical isolation circuit between input and output nodes. An input signal monitor node can be provided, such as on a converter output side of the isolation circuit. In an example, a peak detection circuit can be coupled to the input signal monitor node. The output node of the power converter can be configured to supply an output power signal that is a function of an input signal at the input node. The power converter can include multiple, independently-switchable switches at one or more of the input and output sides of the isolation circuit. In an example, the power converter with the input signal monitor node can be configured as a bias supply to provide power, at the output node, to a controller circuit for a main stage power converter circuit. | 2015-06-11 |
20150162838 | COORDINATED DIMMER COMPATIBILITY FUNCTIONS - A system and method includes a controller that is configured to coordinate (i) a low impedance path for a dimmer current, (ii), control of switch mode power conversion and (iii) an inactive state to, for example, to allow a dimmer to function normally from cycle to cycle of an alternating current (AC) supply voltage. In at least one embodiment, the dimmer functions normally when the dimmer conducts at a correct phase angle indicated by a dimmer input setting and avoids prematurely resetting while conducting. In at least one embodiment, by coordinating functions (i), (ii), and (iii), the controller controls a power converter system that is compatible with a triac-based dimmer. In at least one embodiment, the controller coordinates functions (i), (ii), and (iii) in response to a particular dimming level indicated by a phase cut, rectified input voltage supplied to the power converter system. | 2015-06-11 |
20150162839 | FLYBACK SWITCHING POWER SUPPLY CIRCUIT AND BACKLIGHT DRIVING DEVICE USING THE SAME - The present invention provides a flyback switching power supply circuit and a backlight driving device using the same, the circuit includes: a transformer, including a primary winding, a secondary winding and an auxiliary winding arranged on one side of the primary winding; an output rectifier, connected to the output end of the flyback switching power supply circuit from the secondary winding of the transformer; a switching transistor, configured to control the voltage on the primary winding; a controller, configured to provide a pulse width modulation signal for driving the gate of the switching transistor; and a clamping delay circuit, configured to clamp the potential of the gate of the switching transistor to a low potential, so that the switching transistor is turned on at the wave trough of drain potential damped vibration. In the present invention, the MOS transistor may be turned on at the wave trough of potential damped vibration of the drain thereof and the switching loss of the MOS transistor thereby may be reduced by arranging the clamping delay circuit in the flyback switching power supply circuit and adding the auxiliary winding into the transformer. | 2015-06-11 |
20150162840 | DC-DC CONVERTER CIRCUIT USING AN LLC CIRCUIT IN THE REGION OF VOLTAGE GAIN ABOVE UNITY - A method of operating a resonant DC-DC converter is provided where the resonant DC-DC converter includes a high voltage boost LLC circuit. The method includes providing variable power flow control to the LLC circuit with externally determined input and output voltages using frequency control. Frequency control is applied such that it emulates different loading conditions. For fixed input and output voltages this corresponds to operating along horizontal curves on the voltage gain compared to the switching frequency operating plane. A DC-DC converter is also provided including (A) a low voltage full-bridge or half-bridge DC-AC converter; (B) an LLC resonant tank; (C) a high voltage AC-DC converter or rectifier; and (D) a high voltage controllable switch; wherein the high voltage controllable switch is controllable to regulate power flow from an input to an output of the DC-DC converter based on an externally determined voltage gain ratio, wherein the LLC resonant lank operates with a minimum boosting having an effective value above unity over the entire operating range. A method of designing a resonant DC-DC converter for high voltage boost ratio is also provided. | 2015-06-11 |
20150162841 | ELECTRIC POWER CONVERSION DEVICE - Electric power conversion device has first and second operation modes. First operation mode is of converting DC power from a first terminal into DC power having a desired voltage to be output to second terminal. Second operation mode is of converting DC power from the second terminal into DC power having a desired voltage to be output to first terminal. Switching section is configured to, in first operation mode, be turned on to cause short-circuiting between both ends of capacitor of rectifying circuit, and, in second operation mode, be turned off. First conversion part is configured to, in first operation mode, supply DC power-from first terminal, from first winding to second conversion part through a conversion circuit, and, in second operation mode, output to first terminal a voltage obtained by adding an output voltage of rectifying circuit to an output voltage of conversion circuit. | 2015-06-11 |
20150162842 | Single stage power factor correction converter - A single-stage power factor correction power supply has two transformers: a main transformer and an auxiliary transformer (forward transformer). The main transformer transfers energy form the primary circuit to the secondary circuit. The auxiliary transformer is used to correct input current waveform. An extra winding of the auxiliary transformer is used to reduce the voltage stress of the switch component. The advantage of this design over the two-stage power supply is that the voltage across the storage capacitor can be designed to be only slightly higher than the peak value of the rectified input voltage. Therefore, it uses less energy to correct input current waveform and results in less of an Electromagnetic Compatibility (EMC) problem because it has a lower input current amplitude through the inductor than that of the two-stage PFC power supply. It increases power supply unit reliabilty and efficiency. | 2015-06-11 |
20150162843 | CONTROL CIRCUIT FOR POWER CONVERTING CIRCUIT - A control circuit for a power converting circuit includes a multifunctional pin, a pulse-width-modulation (PWM) signal generating circuit, a voltage detecting circuit and a zero current detecting circuit. The voltage detecting circuit detects a signal on the multifunctional pin. When the signal on the multifunctional pin is greater than a predetermined value, the voltage detecting circuit configures the PWM signal generating circuit to intermittently conduct a current switch of the power converting circuit. The zero current detecting circuit detects the signal of the multifunctional pin to determine the conduction status of the current switch. When the signal of the multifunctional pin is less than the predetermined value, the voltage detecting circuit configures the PWM signal generating circuit to turn off the current switch. | 2015-06-11 |
20150162844 | PACKAGE STRUCTURE INTEGRATING A START-UP COMPONENT, A CONTROLLER, AND A POWER SWITCH - A package structure integrating a start-up component, a controller, and a power switch for a power converter, wherein the power converter has a coil having a first end and a second end, and the first end is coupled to a rectifier, the package structure including: a first die pad for carrying a chip of the controller; a second die pad for carrying a chip of the start-up component and a chip of the power switch, wherein the chip of the start-up component has a bottom surface providing a first drain contact; and the chip of the power switch has a bottom surface providing a second drain contact; and a plurality of external connection leads, of which one is connected with the second die pad via a wire and is used to couple with the second end of the coil. | 2015-06-11 |
20150162845 | DC-DC POWER CONVERSION APPARATUS AND METHOD - A DC-DC power conversion apparatus and a DC-DC power conversion method are provided. The DC-DC power conversion apparatus includes a switching circuit, a main transformer circuit, a main rectifier circuit, an auxiliary transformer circuit and an auxiliary rectifier circuit. The switching circuit provides an input power to a primary winding of the main transformer circuit or a primary winding of the auxiliary transformer circuit by time-division. An AC input terminal of the main rectifier circuit is coupled to a secondary winding of the main transformer circuit. An AC input terminal of the auxiliary rectifier circuit is coupled to a secondary winding of the auxiliary transformer circuit. A power output terminal of the auxiliary rectifier circuit is coupled to a reference voltage terminal of the main rectifier circuit for lifting a voltage of the power output terminal of the main rectifier circuit. | 2015-06-11 |
20150162846 | METHOD FOR MANUFACTURING RECTIFIER AND RECTIFIER - A heat dissipation heat sink having a press-fit hole whose inner peripheral surface is a cast skin surface is included; the heat dissipation heat sink is sandwiched by the press-fit head and the insertion guide by aligning the axis of a rectifying element in an insertion guide with the axis of the press-fit hole and making the press-fit head face the heat dissipation heat sink; a protrusion portion of a load receiving jig is made to face the rectifying element in the insertion guide; and the rectifying element is press-fitted into the press-fit hole of the heat dissipation heat sink by pressing the periphery of the press-fit hole of the heat dissipation heat sink ( | 2015-06-11 |
20150162847 | STATIC SYNCHRONOUS COMPENSATOR AND VOLTAGE CONTROL METHOD - A static synchronous compensator that generates a second axis voltage command from the difference between the DC voltage converted by a single-phase voltage AC-DC conversion circuit and a set DC voltage command. When the voltage (the voltage of an AC terminal) of the single-phase AC power system increases, since the difference between the voltage of the AC terminal and an internal electromotive force increases, the static synchronous compensator carries out a PWM control to decreases the voltage of the AC terminal side of the single-phase voltage AC-DC conversion circuit. Since the voltage of the single-phase voltage AC-DC conversion circuit becomes lower than the voltage of the single-phase AC power system, an ineffective current flows from single-phase AC power system in the static synchronous compensator so that the voltage of the single-phase AC power system can be decreased. | 2015-06-11 |
20150162848 | METHOD AND DEVICE FOR CONTROLLING A MULTILEVEL CONVERTER - A method is provided for controlling a multilevel converter to balance voltages of submodule energy stores. This balancing involves calculating predicted final voltages of energy stores at the end of a time interval to follow and selecting which submodule of a phase arm to insert or bypass during the time interval based on a comparison of the predicted final voltages of the energy stores. The predicted final voltages are updated in accordance with any selection made of which submodule to insert or bypass during the time interval. A control device and a computer program product are also disclosed. Voltage balancing according to a pre-programmed modulation scheme is possible by means of the disclosed method. | 2015-06-11 |
20150162849 | CONTROL DEVICE AND CONTROL DEVICE OF POWER CONVERSION CIRCUIT - Provided are a control device and a control device for a power conversion circuit, said control device having a first control circuit that compensates for detection delays in an analog-to-digital conversion circuit of a second control circuit that compensates for response delays of the integral element and the derivative element of the first control circuit. A first control circuit ( | 2015-06-11 |
20150162850 | POWER CONVERSION DEVICE - In a power conversion device, a constant voltage can be supplied even when the voltage of an alternating current power supply fluctuates. A switching element Q | 2015-06-11 |