Patent application number | Description | Published |
20130207157 | REVERSE-CONDUCTING POWER SEMICONDUCTOR DEVICE - An exemplary reverse-conducting power semiconductor device with a wafer having a first main side and a second main side parallel to the first main side. The device includes a plurality of diode cells and a plurality of IGCT cells, each IGCT cell including between the first and second main side: a first anode electrode, a first anode layer of a first conductivity type on the first anode electrode, a buffer layer of a second conductivity type on the first anode layer, a drift layer of the second conductivity type on the buffer layer, a base layer of the first conductivity type on the drift layer, a first cathode layer of a second conductivity type on the base layer, and a cathode electrode on the first cathode layer. A mixed part includes the second anode layers of the diode cells alternating with the first cathode layers of the IGCT cells. | 08-15-2013 |
20130207159 | BIPOLAR NON-PUNCH-THROUGH POWER SEMICONDUCTOR DEVICE - An exemplary bipolar non-punch-through power semiconductor device includes a semiconductor wafer and a first electrical contact on a first main side and a second electrical contact on a second main side. The wafer has an inner region with a wafer thickness and a termination region that surrounds the inner region, such that the wafer thickness is reduced at least on the first main side with a negative bevel. The semiconductor wafer has at least a two-layer structure with layers of different conductivity types, which can include a drift layer of a first conductivity type, a first layer of a second conductivity type at a first layer depth and directly connected to the drift layer on the first main side and contacting the first electrical contact, and a second layer of the second conductivity type arranged in the termination region on the first main side up to a second layer depth. | 08-15-2013 |
20130207751 | MAGNETIC ACTUATOR WITH TWO-PIECE SIDE PLATES FOR A CIRCUIT BREAKER - A magnetic actuator unit is provided for a circuit breaker arrangement, such as a medium voltage vacuum circuit breaker. The magnetic actuator unit includes a coil, a core, and a movable plate. The core accommodates the coil, and has a core element which is arranged between permanent magnets and flanks of the core. The movable plate is attracted by the core due to the magnetic field of the permanent magnets and the coil. The movable plate is actuating the circuit breaker arrangement when it is attracted by the core. The magnetic actuator unit includes a first attachment element for attaching the magnetic actuator unit to a member of the circuit breaker arrangement. The first attachment element is attached to the flanks and not to the core element of the core. | 08-15-2013 |
20130207752 | MAGNETIC ACTUATOR WITH A NON-MAGNETIC INSERT - A magnetic actuator unit is provided for a circuit breaker, such as a medium voltage vacuum circuit breaker. The magnetic actuator unit includes a core, a coil, an actuating shaft, a first movable plate, a second movable plate, and a non-magnetic flat insert arranged between the core and the second movable plate. The magnetic actuator unit configured to switch the circuit breaker ON and OFF by moving the first movable plate between an ON position and an OFF position. The non-magnetic flat insert and the second movable plate are configured to adjust a holding force of the magnetic actuator unit provided by the second movable plate at the OFF position. The holding force is sufficient for holding the second movable plate at the OFF position against outer forces that are acting on the magnetic actuator unit. | 08-15-2013 |
20130213936 | GAS-INSULATED HIGH-VOLTAGE SWITCH FOR INTERRUPTION OF LARGE CURRENTS - A gas-insulated high-voltage switch for the interruption of large currents includes a housing, a contact arrangement which is arranged in the housing and has two switching pieces which can be moved relative to one another along an axis. Each switching piece has a rated current contact and an arcing contact. The switch includes a drive which acts on a first of the two switching pieces. The switch includes a device configured to detect and indicate the contact wear of the two arcing contacts caused by the action of the arc. The device has an indicator arranged outside the housing. In the switch, the remaining life which is determined by the contact wear of the arcing contacts is detected and indicated by a simple mechanical mechanism. The device has a transmission mechanism which is fed through the housing in a gas-tight manner and a drive member coupled to the operating element. | 08-22-2013 |
20130213939 | VACUUM INTERRUPTER FOR A CIRCUIT BREAKER ARRANGEMENT - An exemplary vacuum interrupter for a circuit breaker arrangement including a cylindrically shaped insulating part, within which a pair of electrical contact parts are coaxially arranged and surrounded concentrically by the insulating part. The electrical contact parts can be configured to initiate a disconnection arc only between corresponding inner contact elements after starting a disconnection process, and corresponding outer contact elements can be configured to commutate the arc from the inner contact elements to the outer contact elements until the disconnection process is completed, wherein each inner electrical contact element is designed as a TMF-like contact element for generating mainly a transverse magnetic field, and each outer electrical contact element is designed as an AMF-like contact element for generating mainly an axial magnetic field. | 08-22-2013 |
20130214765 | MULTIFUNCTIONAL MEASURING DEVICE - A multifunctional measuring device, such as for measuring a current in a primary current conductor in a medium voltage switchgear is disclosed which includes a housing with an aperture for accommodation of the primary current conductor; an inner winding accommodated around the aperture inside of the housing for a measurement of current in a primary current conductor; and an external winding wound on the housing around the aperture for another current measurement. | 08-22-2013 |
20130214892 | LAMINATED LAYER STRUCTURE FOR PRODUCING AN INSULATION MATERIAL - A layer structure for producing a planar insulation laminate, including the following sequence of planar individual layers arranged one on the other: a B-stage resin, a glass fabric, a core layer made of polyester film, a glass fabric, and a B-stage resin. In the hardened state, an insulation material produced therefrom is suitable, for example, to be used as an insulation barrier between a low-voltage winding and a high-voltage winding of a transformer winding. | 08-22-2013 |
20130215765 | UTILITY COMMUNICATION METHOD AND SYSTEM - Exemplary embodiments are directed to use of transparent transmission of teleprotection commands in the form of GOOSE or GSSE messages, as defined by the Generic Substation Event class model by the standard IEC 61850, between substations combined with Channel Supervision and Monitoring equivalent to CSM offered by known teleprotection equipment. This approach avoids the disadvantage of non-transparent transmission when using the gateway approach and of the lack of the CSM functionality when using the tunnelling approach. | 08-22-2013 |
20130218307 | METHOD FOR DEBUGGING OF PROCESS OR MANUFACTURING PLANT SOLUTIONS COMPRISING MULTIPLE SUB-SYSTEMS - An exemplary method and a system for debugging a control system of an industrial plant where the system includes at least two different control sub-systems, of the same or different control equipment type, on plant or sub-system level, and has specific programmable controller units in devices like PLCs, DCSs, robots, drives, instruments and/or other process specific components whereas all specified parameters and signals of the control system across its sub-systems, devices, and technologies are extracted and visualized on a single sight and are utilized for the definition of system wide breakpoints, utilizing a subset of those signals or parameters, and related conditions, e.g. logical combinations of the signals or parameters. | 08-22-2013 |
20130218503 | CORIOLIS MASS FLOW METER AND SIGNAL PROCESSING METHOD FOR A CORIOLIS MASS FLOW METER - Signal processing is disclosed for a Coriolis mass flow meter with one or more measuring tubes and meter electronics, which includes determining relevant modal properties of the flow meter during a measurement process, and adaptively correcting a current measurement result with the relevant modal properties of the flow meter obtained during the measurement process. | 08-22-2013 |
20130219314 | METHOD FOR ADAPTING THE GRAPHIC REPRESENTATION ON THE USER INTERFACE OF A COMPUTER USER STATION - Exemplary embodiments relate to a method for adapting graphic representation on a user interface of a computer user station for the graphic representation of data of an industrial processing plant. Input signals received on or at the computer user station result in a size change of the graphic representation by zooming of the predefinable display region on the user interface or the selection of an object field of the graphic representation. The object field being located in the graphic representation at an associated object field position, for display or user interaction. With the selection of an object field for display or user interaction, fixing the object field on the user interface in a size sufficient for display or user interaction occurs, even if a size change of the graphic representation into a range unsuitable for the display or for the user interaction occurs due to zooming. | 08-22-2013 |
20130220977 | ELECTRICAL CONTACT ARRANGEMENT FOR VACUUM INTERRUPTER ARRANGEMENT - A vacuum interrupter for a circuit breaker arrangement including a cylindrically shaped insulating part, within which a pair of electrical contact parts are coaxially arranged and concentrically surrounded by the insulating part, wherein the electrical contact parts are arranged for initiating a disconnection arc only between corresponding inner contact elements after starting a disconnection process, and corresponding outer contact elements are arranged for commutating the arc from the inner contact elements to the outer contact elements until the disconnection process is completed wherein each inner electrical contact element is a TMF-like contact element for generating mainly a transverse magnetic field, and each outer electrical contact element is an AMF-like contact element for generating an axial magnetic field. | 08-29-2013 |
20130223112 | CONVERTER CIRCUIT - An exemplary converter circuit has a converter unit with plural actuatable power semiconductor switches, and the DC voltage side of which is connected to a capacitive energy storage circuit. The capacitive energy storage circuit has at least one capacitive energy store and at least one snubber network for limiting the rate of current or voltage rise on the actuatable power semiconductor switches of the converter unit. In order to reduce undesirable oscillations in an overcurrent in the capacitive energy storage circuit, the capacitive energy storage circuit has at least one passive nonactuatable damping unit having a unidirectional current-flow direction, where the passive nonactuatable damping unit has a diode and a damping resistor. | 08-29-2013 |
20130226868 | METHOD AND SYSTEM FOR PROPAGATION OF AMENDMENTS MADE TO A MASTER TO COPIES - A method and system are disclosed for propagation of changes or amendments, in a configuration of technical equipment such as transformers, generators, mills, and other automated machines or devices, by transfer (e.g., via a processor) of an amended configuration of a master having a specific apparatus or device to a non-limited number of duplicates of the master. Changes which have been incorporated with the master can be propagated from the master to the duplicate in a semi-automated or fully automated manner, and possible conflicts indicated automatically by graphic display. | 08-29-2013 |
20140265599 | Power Flow Analysis Method and Apparatus for Hybrid AC-DC Systems - Power flow in a hybrid AC-DC power system is analyzed by determining DC power injection variables as a function of AC state information for common coupling buses which connect AC and DC grids. The AC state information includes voltage magnitude and phase angle information for the common coupling buses and buses in the AC grid(s). The DC power injection variables indicate AC power injection into the one or more AC grids at the common coupling buses from the DC grid(s). The AC state information is revised iteratively as a function of the DC power injection variables and the sensitivity of the DC power injection variables to the AC state information, and the DC power injection variables and the sensitivity of the DC power injection variables are revised iteratively as a function of the revised AC state information until the power mismatch is acceptable. | 09-18-2014 |