| 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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| 05/06/2008 | US7367302 Method and device for switching on a power switch arranged between capacitive elements |
| 05/02/2008 | WO2008051246A2 Virtual closed loop power distribution system and method |
| 05/02/2008 | WO2008049958A2 Arrangement in a synchronous machine and method of connecting a synchronous machine |
| 05/02/2008 | WO2008049664A1 Method for identification of a motor failure in an electrical power supply system |
| 05/02/2008 | CA2633639A1 Virtual closed loop power distribution system and method |
| 05/01/2008 | US20080101100 Kit of power tools |
| 05/01/2008 | US20080100978 Switching element overcurrent protection circuit which operates within a high-voltage system that incorporates the switching element |
| 05/01/2008 | US20080100269 Controller of ac generator for vehicle |
| 05/01/2008 | US20080100241 Control device for opening/closing member |
| 04/30/2008 | EP1916580A1 Systems and methods of tracking partition system performance |
| 04/30/2008 | EP1915807A1 Motor drive circuit |
| 04/30/2008 | DE10325888B4 Verfahren zum Betreiben einer Stelleinrichtung für ein fremdbetätigtes Stellglied A method of operating a control device for an externally powered actuator |
| 04/30/2008 | DE102007040543A1 Wärmeschutzschaltung für Fahrzeugwechselstromgeneratoren Thermal protection circuit for vehicle alternators |
| 04/30/2008 | DE102006050191A1 Electric machine e.g. transverse flow machine, operating method, involves determining temperature of phase, and determining set of temperatures of set of phases based on former predetermined temperature of former phase |
| 04/30/2008 | CN201054497Y Resonance and arc-elimination integrated device for neutral non-valid ground mesh |
| 04/30/2008 | CN201054496Y Power supply protector for frequency conversion water supply device |
| 04/30/2008 | CN201054495Y Online monitoring and over-current limit device for power transformer iron core ground current |
| 04/30/2008 | CN201054494Y Transformer low-voltage power supply and protection integrated device |
| 04/30/2008 | CN201054492Y A three-polarity break current leakage protection device with ground cable current/voltage detection |
| 04/30/2008 | CN101170256A Quick switch-back protection method for local power grid power generation unit |
| 04/30/2008 | CN101170255A Protection circuit for lithium battery group |
| 04/30/2008 | CN101170254A Unbalanced protection method and device for high-voltage serial connection compensation capacitor group |
| 04/30/2008 | CN101170253A Digital protection circuit for multi-channel DC/DC insulation power |
| 04/30/2008 | CN101170252A Judgement procedure for digital transformer differential protection to prevent TA secondary circuit failure from leading to mistaken operation |
| 04/30/2008 | CN101169999A AC electromagnetic coil with protection device |
| 04/30/2008 | CN100385764C Earth leakage protecting method and apparatus for one line one ground type DC supply circuit |
| 04/30/2008 | CN100385763C Digitallisation implementing method for ac motor heat overload protection |
| 04/29/2008 | US7365954 Power device protection circuit |
| 04/29/2008 | US7365952 Battery pack having a protection circuit |
| 04/29/2008 | US7365507 Power control apparatus for motor |
| 04/29/2008 | US7365454 Enhanced power switch device enabling modular USB PC cards |
| 04/29/2008 | US7365451 Power converter |
| 04/29/2008 | US7365450 Current cutoff circuit and electric steering wheel lock |
| 04/24/2008 | WO2008046953A2 Synchronous machine |
| 04/24/2008 | US20080097706 Method of Monitoring Line Faults in a Medium Voltage Network |
| 04/24/2008 | US20080094867 Switching device and method, in particular for photovoltaic generators |
| 04/24/2008 | US20080094866 Capacitor-switched lossless snubber |
| 04/24/2008 | US20080094763 Electrical apparatus with current dampening device |
| 04/24/2008 | US20080094762 Power Supply Apparatus With Function of Detecting Abnormality of Current Sensor |
| 04/24/2008 | US20080093854 Method for Operating a Wind Power Plant and Method for Operating It |
| 04/24/2008 | DE102006050289A1 Power supply device, has power modules with bypass connected with load branch, where bypass is separated from load branch during error free functioning of inverter branch and is connected with load branch during failure of inverter branch |
| 04/24/2008 | DE102006008927B4 Schaltung für eine akkugestützte Energieversorgung mit Ladeautomatik und Umschaltsteuerung Circuit for a battery powered power supply with automatic charging and switching control |
| 04/23/2008 | EP1914559A2 Battery management system (BMS) and driving method thereof |
| 04/23/2008 | EP1914427A1 Controller for a Motor and a Method of Controlling the Motor |
| 04/23/2008 | EP1914162A1 DC power distribution system |
| 04/23/2008 | CN201051737Y High frequency vibrator power control cabinet |
| 04/23/2008 | CN201051733Y Novel electromotive engine speed-adjuster |
| 04/23/2008 | CN201051663Y Single phase ground failure location device for neutral point indirect ground power grid |
| 04/23/2008 | CN201051662Y Battery protection device with digital information interface |
| 04/23/2008 | CN201051661Y Electric bike controller with under-voltage protection device |
| 04/23/2008 | CN201051660Y Battery short circuit prevention structure for hand-held device |
| 04/23/2008 | CN201051659Y Power converter with non self recovery secure protection function |
| 04/23/2008 | CN201051658Y Construction lifting electromotor control device with temperature protection function |
| 04/23/2008 | CN201051657Y DC electromotor blocking and rotation control device |
| 04/23/2008 | CN201051656Y High-power power transformer temperature detection and overload protector |
| 04/23/2008 | CN201051655Y Three-phase break automatic protector |
| 04/23/2008 | CN101166388A Backlight lamp tube short circuit and open circuit protection circuit |
| 04/23/2008 | CN101166011A Trolley motor control circuit |
| 04/23/2008 | CN101166002A Inverter drive circuit with breakage detection function |
| 04/23/2008 | CN101165988A Power distribution systems |
| 04/23/2008 | CN101165986A Motor protective circuit |
| 04/23/2008 | CN101165984A Circuit for producing retarding window |
| 04/23/2008 | CN101165983A Current limiting short circuit protection circuit |
| 04/23/2008 | CN101165963A Battery management system (BMS) and driving method thereof |
| 04/23/2008 | CN101165824A Multilayer capacitor |
| 04/23/2008 | CN100384044C Adaptive regulation method of bus protection ratio brake coefficient based on bus connection current |
| 04/23/2008 | CN100383688C Method of undervoltage protection during engine cranking |
| 04/22/2008 | US7362558 Protective device in a controller |
| 04/22/2008 | US7362556 Combination current sensor and relay |
| 04/22/2008 | US7362550 Electric motor comprising a temperature monitoring device |
| 04/22/2008 | US7362068 Closing member control system |
| 04/22/2008 | US7362009 Chain reaction control circuit for parallel power supply |
| 04/17/2008 | WO2008045624A1 Dc motor mechanical shock protection system |
| 04/17/2008 | WO2008044360A1 Discharger and discharge control method |
| 04/17/2008 | WO2007109271A3 High side reset logic for gate driver |
| 04/17/2008 | US20080091364 Battery Management System (BMS) and driving method thereof |
| 04/17/2008 | US20080088990 Method and system for detecting the cabling errors between a starter and an electric motor |
| 04/17/2008 | US20080088989 Clothes dryer motor with broken belt switch |
| 04/17/2008 | US20080088988 Overload protection control mechanism for a power supply |
| 04/17/2008 | US20080088405 Metal Oxide Varistor with Built-In Alloy-Type Thermal Fuse |
| 04/17/2008 | DE19953634B4 Einrichtung und Verfahren zur Sicherung eines Lastelementes Apparatus and method for securing a load element |
| 04/17/2008 | DE10324592B4 Verfahren und Vorrichtung zur Erfassung eines Einklemmzustands bei einem Öffnungs/Schließelement Method and apparatus for detecting a Einklemmzustands with a opening / closing member |
| 04/17/2008 | DE10211099B4 Vorrichtung zur Ansteuerung einer elektrischen Last Apparatus for driving an electrical load |
| 04/17/2008 | DE102006048104A1 Thermischer Überlastschutz Thermal overload protection |
| 04/16/2008 | EP1911137A1 Abrupt metal-insulator transition device, circuit for removing high-voltage noise using the abrupt metal-insulator transition device, and electrical and/or electronic system comprising the circuit |
| 04/16/2008 | EP1911136A1 Fault management of hts power cable |
| 04/16/2008 | CN201048290Y Charger control circuit with polarity recognition and short circuit protection |
| 04/16/2008 | CN201048285Y DC motor controller flying apparatus self-locking control circuit |
| 04/16/2008 | CN201048284Y Power valve protective circuit |
| 04/16/2008 | CN201048283Y Bridge arm short-circuit protection circuit in inversion control |
| 04/16/2008 | CN201048282Y Exponential curve type combined turn-off circuit |
| 04/16/2008 | CN201048281Y Motor protection breaker |
| 04/16/2008 | CN201048280Y Electric motor transmission fault automatic stop device |
| 04/16/2008 | CN201048279Y Submerged pump motor protector |
| 04/16/2008 | CN201048115Y Trip safety protection device for emergent power supply of tank controller |
| 04/16/2008 | CN101164213A Apparatus and method of protecting battery packs |
| 04/16/2008 | CN101162851A Controller of low pressure intelligent type circuit breakers with mutual verifying function |
| 04/16/2008 | CN101162839A Circuit relay protection information exchange method and device thereof |
| 04/16/2008 | CN101162838A Low current neutral grounding system fault route selecting method by wavelet package decompose and correlation analysis |
| 04/16/2008 | CN101162837A Battery protection system |