| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 06/15/2011 | CN102096044A Method for measuring temperature of permanent-magnet synchronous motor of hybrid electric vehicle |
| 06/15/2011 | CN102096016A Automatic analysis device for checking differential protection CT (Current Transformer) wiring correctness of three-winding conventional transformer |
| 06/15/2011 | CN102096015A Automatic analysis device for checking correctness of transformer connection |
| 06/15/2011 | CN102096014A Method for analyzing wiring correctness of CT return circuit of four-winding autotransformer |
| 06/15/2011 | CN102096013A Single-switch differential protection CT (Current Transformer) wiring correctness analysis method of four-winding conventional transformer |
| 06/15/2011 | CN102096012A Method for analyzing wiring correctness of dual-bus wiring bus differential protection CT return circuit |
| 06/15/2011 | CN102096011A Dual-bus bypass bus CT (Current Transformer) loop wiring correctness analysis method |
| 06/15/2011 | CN102096010A Device for analyzing the wiring of CT based on bus differential protection |
| 06/15/2011 | CN102096009A Analytical method for judging wiring correctness of conventional transformer |
| 06/15/2011 | CN102096008A Method for judging wiring correctness of conventional transformer |
| 06/15/2011 | CN102096007A Multi-switch differential protection CT (Current Transformer) wiring correctness analysis method of four-winding conventional transformer |
| 06/15/2011 | CN102096006A Multi-switch differential protection CT (Current Transformer) wiring correctness analysis method of three-winding conventional transformer |
| 06/15/2011 | CN102096005A Method for checking and judging wiring of dual-bus single-subsection CT return circuit |
| 06/15/2011 | CN102096004A Method for judging bus differential motion CT (Current Transformer) loop wiring correctness |
| 06/15/2011 | CN102096003A Automatic analytical device for checking wiring of conventional transformer |
| 06/15/2011 | CN102095979A Automatic analysis device for differential protection of autotransformer |
| 06/15/2011 | CN102095977A Automatic analysis device employing differential protection mode of general transformer |
| 06/15/2011 | CN102095965A Method for analyzing wiring correctness of CT (current transformer) of two-winding conventional transformer multi-switch differential protection circuit |
| 06/15/2011 | CN102095958A Method for analyzing wiring correctness of double-winding conventional transformer single-switch differential protection CT |
| 06/15/2011 | CN102095957A Method for analyzing and calibrating wiring of differential protection circuit with single bus |
| 06/15/2011 | CN101651332B Power protection circuit preventing controlled silicon effect |
| 06/15/2011 | CN101630834B Single power transistor battery charging circuit using boosting timeclock |
| 06/15/2011 | CN101599641B System and method for supplying power to communication equipment through high voltage direct-current |
| 06/15/2011 | CN101593997B Self excited type oscillating circuit for battery charger |
| 06/15/2011 | CN101577492B Power supply circuit |
| 06/15/2011 | CN101557162B Overvoltage protection circuit used in power factor corrector and power factor corrector |
| 06/15/2011 | CN101546905B Power-off continuous protective circuit for contactor based on energy storage capacitor |
| 06/15/2011 | CN101488664B Anti-island effect protection method based on output current frequency disturbance |
| 06/15/2011 | CN101291056B Faulty phase selection method based on long wire model |
| 06/15/2011 | CN101262127B Actuation module for an electric protective circuit breaker, method for its operation and electric safety system |
| 06/15/2011 | CN101207279B Anti-overstep tripping system |
| 06/14/2011 | US7961485 Method of forming a PWM controller and structure therefor |
| 06/14/2011 | US7961484 Bipolar transistor drivers |
| 06/14/2011 | US7961444 High voltage power supply |
| 06/14/2011 | US7961443 Hybrid power relay using communications link |
| 06/14/2011 | US7960858 Device, system and method for reducing the consumption of closed-circuit current of a motor vehicle |
| 06/14/2011 | CA2648610C Rechargeable battery pack |
| 06/09/2011 | WO2011067956A1 Electric supercharger |
| 06/09/2011 | WO2011067120A1 Inverter for high voltages |
| 06/09/2011 | US20110136385 Battery cable with provisions for integral circuit protection |
| 06/09/2011 | US20110134667 Redundant control method for a polyphase converter with distributed energy stores |
| 06/09/2011 | US20110134666 Redundant control method for a polyphase converter with distributed energy stores |
| 06/09/2011 | US20110134574 Systems and apparatus relating to wind turbine electrical control and operation |
| 06/09/2011 | US20110133824 Microprocessor die with integrated voltage regulation control circuit |
| 06/09/2011 | DE202009018199U1 Freischaltsteuergerät Activation control unit |
| 06/09/2011 | DE102010049621A1 Method for controlling touch contact of person with electric voltage of battery system at e.g. motor vehicle hybrid drive, involves separating storage modules from each other by separating devices depending on condition detected by detector |
| 06/09/2011 | DE102010049602A1 Wheel drive device i.e. wheel hub device, for use in vehicle, has primer mover including drive shaft that is indirectly and rotatably connected with wheel hub, and braking torque reducing unit activated by controlling unit |
| 06/09/2011 | DE102009047616A1 Wechselrichteranordnung zum Betreiben eines Elektromotors Inverter device for operating an electric motor |
| 06/08/2011 | EP2330708A1 Transformer inrush current suppression device |
| 06/08/2011 | EP2329580A1 Method and protective device for producing an error signal indicating a winding error in a transformer |
| 06/08/2011 | CN201860285U Controller for motor with no position sensor of artificial assistant heart system |
| 06/08/2011 | CN201860174U Distribution network automation system with distributed power source |
| 06/08/2011 | CN201860155U Novel charging device for insulated gate bipolar transistors |
| 06/08/2011 | CN201860140U Rechargeable battery |
| 06/08/2011 | CN201860099U Low current grounding fault line selection device |
| 06/08/2011 | CN201860098U Overheat protecting device for neutral point grounding resistor in distribution network |
| 06/08/2011 | CN201860097U High-low voltage bus temperature protector |
| 06/08/2011 | CN201860096U DC supply protection circuit for suppressing pulse packet interference |
| 06/08/2011 | CN201860095U Safety protection power supply |
| 06/08/2011 | CN201860094U Short circuit protection circuit for switch power |
| 06/08/2011 | CN201860093U Overload early warning protecting device for conveying belt motor of conveyer |
| 06/08/2011 | CN201860092U Over-current protection circuit of motor and motor controller equipped with the same |
| 06/08/2011 | CN201860091U Multiloop low-voltage intelligent motor protection controller |
| 06/08/2011 | CN1438747B Power-supply device and electric implement |
| 06/08/2011 | CN102088245A Drive control device for an electric load |
| 06/08/2011 | CN102088186A Method for carrying out failure protection and logic optimization on UHVDC (Ultra-High Voltage Direct Current) neutral bus switch |
| 06/08/2011 | CN102088185A Bus differential protection method |
| 06/08/2011 | CN102088184A Incoming line protecting and monitoring device for safety monitoring system of traction substation |
| 06/08/2011 | CN102088183A Protection circuit with locking control function |
| 06/08/2011 | CN102088182A Open phase and phase stagger protection device of three phase alternating current motor |
| 06/08/2011 | CN102088181A Open-phase protection circuit for electricity-saving three-phase asynchronous motor |
| 06/08/2011 | CN102088180A Novel fire cutoff phase-stagger protector for electric hoist |
| 06/08/2011 | CN102088179A Method for carrying out differential protection on UHVDC (Ultra-High Voltage Direct Current) converter transformer |
| 06/08/2011 | CN102086544A Device for controlling sizing machine |
| 06/08/2011 | CN101651337B Composite type island detection method based on phase deviation and frequency variation |
| 06/08/2011 | CN101603982B Distributed method for collecting zero-sequence current concerning load variation |
| 06/08/2011 | CN101593972B Fault line selection method for resonant grounded power distribution system by pattern spectrum |
| 06/08/2011 | CN101401271B Electro-mechanical actuator system, for instance for adjustable furniture |
| 06/08/2011 | CN101371431B Process for switching off an electrical machine in the event of a malfunction |
| 06/08/2011 | CN101316036B Self-adapting three-phase reclosure decision method of ultra-high voltage electric power line with shunt reactor |
| 06/08/2011 | CN101247039B Method for power system wave record playback based on real-time simulation system |
| 06/08/2011 | CN101241635B Trans-interval sampling method adopting centralized combiner |
| 06/07/2011 | US7957166 Variable speed drive |
| 06/07/2011 | US7957160 Current waveform construction to generate AC power with low harmonic distortion from localized energy sources |
| 06/07/2011 | US7956593 Power generation circuit using electromagnetic wave |
| 06/07/2011 | US7956494 Versatile and intelligent power controller |
| 06/03/2011 | WO2011063637A1 Battery protection control device |
| 06/02/2011 | US20110128760 Apparatus and method for dc/ac systems to ride through grid transients |
| 06/02/2011 | US20110128656 Output short circuit protection for electronic transformers |
| 06/02/2011 | US20110128655 Generator circuit breaker with fiber-optic current sensor |
| 06/01/2011 | EP2328250A2 Circuit breaker control |
| 06/01/2011 | EP2328246A1 Electricity distribution system and method for adapting a TT electricity distribution network |
| 06/01/2011 | EP1955424B1 An electric motor |
| 06/01/2011 | EP1828994B1 Method and device for automatic systems designed to operate movable barriers |
| 06/01/2011 | DE202011000764U1 Beleuchtungsanlage für eine Kühlanlage Lighting system for a refrigeration system |
| 06/01/2011 | DE102009052872A1 Method for safety-related monitoring of speed of three-phase alternating current motor, involves determining value from time intervals, and comparing value with safety-related limit value transmitted from safety controller |
| 06/01/2011 | DE102009031138B4 Schalteinrichtung Switching device |
| 06/01/2011 | CN201854479U Control circuit of single-input single-output LED (light-emitting diode) lamp tube of LCD (liquid crystal display) |
| 06/01/2011 | CN201854470U Controller for solar street light |
| 06/01/2011 | CN201854227U PTC (Positive Temperature Coefficient) starter |