| 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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| 03/04/2010 | US20100055549 Intrinsically Safe Battery Pack and System |
| 03/04/2010 | US20100054003 Output protection circuit of a power converter |
| 03/04/2010 | US20100053825 Method for protection of an energy storage source, and in particular a motor vehicle battery |
| 03/04/2010 | US20100052589 Method of detecting output phase loss for motor driver |
| 03/04/2010 | DE102009034050A1 Elektrische Leistungsumwandlungseinrichtung Electric power conversion device |
| 03/04/2010 | DE102008033320B3 Switch monitor, at the electronic switch circuit for a multi-phase heating system, has an emergency direct input on a control defect |
| 03/03/2010 | EP2159893A1 Substation automation with redundant protection |
| 03/03/2010 | CN201418038Y External intrinsic safety power supply for mining use |
| 03/03/2010 | CN201418005Y High-efficient energy-saving motor |
| 03/03/2010 | CN201417945Y Integrated device for arc extinction, harmonic elimination and wire selection for electricity grid |
| 03/03/2010 | CN201417940Y Combined surge protector |
| 03/03/2010 | CN201417936Y Novel high voltage protector of switch power supply |
| 03/03/2010 | CN201417935Y Default phase overcurrent protection device for mini-type three-phase asynchronous motors |
| 03/03/2010 | CN201417934Y Intelligent motor protection controller |
| 03/03/2010 | CN201417933Y Motor protection circuit |
| 03/03/2010 | CN201417932Y Digital type line protection device |
| 03/03/2010 | CN201417887Y Power-off opening high-voltage switch cabinet |
| 03/03/2010 | CN101662144A Feeder automation processing method and device of distribution network |
| 03/03/2010 | CN101662143A Differential protection method for preventing false operation during current disappearance |
| 03/03/2010 | CN101662142A Traveling-wave differential protection method suitable for series capacitor compensation circuit |
| 03/03/2010 | CN101662141A Series capacitor compensation circuit distance protection method by combining phase-comparison relay |
| 03/03/2010 | CN101662140A Distance switching-in accelerating method self-adapting to oscillation |
| 03/03/2010 | CN101662139A Fault phase-selecting method in oscillation of high-voltage line protection |
| 03/03/2010 | CN100593274C A close loop protection circuit for middle voltage breaker |
| 03/02/2010 | US7673157 Method and system for controlling a mixed array of point-of-load regulators through a bus translator |
| 03/02/2010 | US7672109 Safety switching apparatus for safe disconnection of an electrical load |
| 03/02/2010 | US7672105 Production of limited lifetime devices achieved through E-fuses |
| 03/02/2010 | US7672099 Current fault detector and circuit interrupter and packaging thereof |
| 03/02/2010 | US7672096 Switching apparatus and method |
| 03/02/2010 | CA2654875A1 Intrinsically safe battery pack and system |
| 02/25/2010 | WO2009138461A3 A transformation substation |
| 02/25/2010 | US20100046257 Apparatus and method for controlling power converter |
| 02/25/2010 | US20100046125 Fault current limiting |
| 02/25/2010 | US20100046124 Boost DC-DC converter control circuit and boost DC-DC converter having protection circuit interrupting overcurrent |
| 02/25/2010 | US20100046123 Semiconductor switch control device |
| 02/25/2010 | US20100046122 Fault protection device |
| 02/25/2010 | US20100045226 Method of controlling washing machine and motor |
| 02/25/2010 | DE102009038209A1 Begrenzungsvorrichtung für Fehlerströme in einer Wechselstrom-Niederspannungsanlage Limiting device for fault currents in an AC low voltage installation |
| 02/25/2010 | DE102009035919A1 Energieversorgungseinheit mit konfigurierbaren Ausgangsspannungsbereichen Power supply unit with configurable output voltage ranges |
| 02/24/2010 | EP2156547A2 Method for controlling a rotary electric machine in case of load shedding and corresponding power control module |
| 02/24/2010 | CN201414107Y Special frequency converter for oil extractor |
| 02/24/2010 | CN201414084Y Switch power supply based on quasi-resonance |
| 02/24/2010 | CN201414081Y Mine flameproof and intrinsically safe power supply |
| 02/24/2010 | CN201414077Y Air-conditioning fan power source of electric vehicle |
| 02/24/2010 | CN201414069Y CPCI standard interface power supply board |
| 02/24/2010 | CN201413987Y Protection circuit for inverter controller |
| 02/24/2010 | CN201413986Y Under-pressure leakage protector |
| 02/24/2010 | CN201413985Y Split intelligent motor protection controller |
| 02/24/2010 | CN201413984Y Novel motor protection controller |
| 02/24/2010 | CN201413980Y 交流过电压保护装置 AC overvoltage protection device |
| 02/24/2010 | CN201411736Y Loader and system circuit thereof |
| 02/24/2010 | CN101657945A Flux control system for active voltage conditioning |
| 02/24/2010 | CN101656415A Power tool |
| 02/24/2010 | CN101656414A Power protection device |
| 02/23/2010 | US7668215 Apparatus for dissipating heat in electro-optical communications systems |
| 02/23/2010 | US7667935 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 02/18/2010 | US20100039839 Cycle modulation circuit for limiting peak voltage |
| 02/18/2010 | US20100039838 Electrostatic discharge conducting pathway having a noise filter spark gap |
| 02/18/2010 | US20100039738 Inductive coupler for power line communications, having a member that provides an intended path for a flashover to discharge to ground |
| 02/18/2010 | US20100039737 Magnetizing inrush current suppression device for transformer and control method of same |
| 02/18/2010 | US20100039736 Protective circuit for protection of an appliance, in particular an electric motor,against thermal overloading |
| 02/18/2010 | US20100039735 Diode Loss Detection for Low Side MOSFET of a Synchronous Output Stage |
| 02/18/2010 | US20100039212 Dry-type high-voltage load system apparatus and method of preventing chain breaking and arc discharge for use therewith |
| 02/17/2010 | EP2153453A1 An electric motor |
| 02/17/2010 | CN201409139Y Device for extracting and amplifying WCDMA signals from composite optical signals |
| 02/17/2010 | CN201409049Y Temperature monitoring protection structure of motor bearing |
| 02/17/2010 | CN201409005Y 多功能便携式电源装置 Multifunction Portable Power unit |
| 02/17/2010 | CN201408986Y Distribution box protecting circuit |
| 02/17/2010 | CN201408985Y Short-circuit protection circuit for switching power supply |
| 02/17/2010 | CN201408984Y Power protection circuit, power unit and television |
| 02/17/2010 | CN201408983Y Open-phase protection device |
| 02/17/2010 | CN201408338Y Power-down protection device of industrial personal computer |
| 02/17/2010 | CN201408251Y Modularized microcomputer electromotor protective and monitoring device |
| 02/17/2010 | CN201407584Y Road lamp |
| 02/17/2010 | CN201407583Y Environmental road lamp |
| 02/17/2010 | CN201407406Y Electric valve with automatic phase sequence error correction function |
| 02/17/2010 | CN201405784Y Overload protection device for folding mechanism of rearview mirror |
| 02/17/2010 | CN101651338A Method for protecting negative sequence current differential |
| 02/17/2010 | CN101651337A Composite type island detection method based on phase deviation and frequency variation |
| 02/17/2010 | CN101651336A Distribution protection method and distribution protection device |
| 02/17/2010 | CN101651335A Electronic equipment protection device and electronic equipment |
| 02/17/2010 | CN101651334A Overcharging protection circuit of rechargeable battery |
| 02/17/2010 | CN101651333A Delay time control circuit for reducing delay time in battery protector |
| 02/17/2010 | CN101651332A Power protection circuit preventing controlled silicon effect |
| 02/17/2010 | CN101651331A Current transformer with smoke and fire protecting device |
| 02/17/2010 | CN101651330A Crowbar protecting device of double-feed wind-electricity converter |
| 02/17/2010 | CN101651329A Judgment method of line breakage of special TV for inter-turn protection of generator |
| 02/17/2010 | CN101651328A Method and device for shunt reactor turn-to-turn protection |
| 02/16/2010 | US7663896 Energy effective switching power supply apparatus and an energy effective method thereof |
| 02/16/2010 | US7663855 Circuit for preventing surge, connector and electronic apparatus thereof |
| 02/16/2010 | US7663853 On-chip latch-up protection circuit |
| 02/16/2010 | US7663849 Permanent magnet generator protection scheme |
| 02/16/2010 | US7663348 Distributed generation system and power system stabilizing method |
| 02/16/2010 | CA2531770C Method of controlling a wind turbine connected to an electric utility grid during malfunction in said electric utility grid, control system, wind turbine and family hereof |
| 02/11/2010 | WO2010015811A1 Overload relay |
| 02/11/2010 | WO2010015432A1 Redundant control method for a multiphase converter having distributed energy stores |
| 02/11/2010 | WO2010015431A1 Control method for using redundancy in case of a disturbance in a multiphase converter having distributed energy stores |
| 02/11/2010 | WO2010015430A1 Redundant control method for a multiphase converter having distributed energy stores |
| 02/11/2010 | WO2010015334A1 A protection arrangement for an electrical power distribution network |
| 02/11/2010 | US20100036555 Controller for motor, and vehicle |