| 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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| 07/20/2005 | CN2711967Y Negative sequence fault component difference stream comprehensive brake for preventing transformer protection from error action |
| 07/20/2005 | CN2711966Y Maximum fault component difference stream comprehensive brake for preventing transformer frmo error action |
| 07/20/2005 | CN2711965Y Fault component phase spliting zero sequence brake for preventing transformer protection from error action |
| 07/20/2005 | CN2711964Y Fault component negative sequence systhetic brake for preventing transformer protection from error action |
| 07/20/2005 | CN2711963Y Fault component positive sequence synthetic brake for preventing transformer protection from error action |
| 07/20/2005 | CN2711962Y Maximum fault component difference stream brake for preventing transformer protection from error action |
| 07/20/2005 | CN2711961Y Fault component three-phase synthetic zero sequence brake for preventing transformer protection from error action |
| 07/20/2005 | CN2711960Y Fault component phase spliting zero sequence brake for preventing transformer protection from error action |
| 07/20/2005 | CN1643759A A protection device |
| 07/20/2005 | CN1641968A Power supply system with improved supply quality |
| 07/20/2005 | CN1641954A 放电保护电路 Discharge protection circuit |
| 07/20/2005 | CN1641953A Main circuit reverse-joint protection circuit of motor-driving control system for electric automobile |
| 07/19/2005 | US6920034 Charge storage device |
| 07/19/2005 | US6920024 Thermally suppressing circuit for restarting a locked motor with a restart-discharging drive member |
| 07/14/2005 | WO2005064779A1 Variable ac voltage regulation control method and apparatus |
| 07/14/2005 | WO2005064759A1 Method and device fo rfault detection in transformers or power lines |
| 07/14/2005 | WO2005064635A1 Cryogenic current limiting fuse |
| 07/14/2005 | US20050151515 Field excitation for an alternator |
| 07/14/2005 | US20050151495 Back door opening and closing apparatus |
| 07/14/2005 | CA2552192A1 Cryogenic current limiting fuse |
| 07/13/2005 | EP1552973A2 Control unit for a regulating device in a vehicle, specially for a window opener |
| 07/13/2005 | CN2710227Y Electronic protective circuit device for loudspeaker |
| 07/13/2005 | CN2710226Y Automatic protector for domestic electrical equipment |
| 07/13/2005 | CN2710225Y Electronic motor protector |
| 07/13/2005 | CN2710224Y Quick-action oil pressurized delay for trasnformer |
| 07/13/2005 | CN1639939A Circuit protection system |
| 07/13/2005 | CN1639938A Method and apparatus for ground fault protection |
| 07/13/2005 | CN1639654A External clock to obtain multiple synchronized computers |
| 07/13/2005 | CN1639652A Integrated protection, monitoring and control system |
| 07/13/2005 | CN1639651A Data sample and transmission modules for power distribution systems |
| 07/13/2005 | CN1639650A Protection system for power distribution systems |
| 07/13/2005 | CN1639649A Method and system for conditionally triggered system data capture |
| 07/13/2005 | CN1638224A Semiconductor device and semiconductor device module |
| 07/12/2005 | US6917505 Secondary batteries having a protective circuit |
| 07/12/2005 | US6917169 Driving circuit for rotating motor in forward and reverse direction |
| 07/07/2005 | WO2005062438A1 Electric power network |
| 07/07/2005 | US20050146823 Semiconductor device and semiconductor device module |
| 07/07/2005 | US20050146820 Discharge protection circuit |
| 07/07/2005 | US20050146818 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof |
| 07/07/2005 | US20050146817 Cryogenic current limiting fuse |
| 07/07/2005 | US20050146815 Electrical, transmission/substation/distribution shunt capacitor switching and control system with integrated, automatically resettable, overcurrent protection |
| 07/07/2005 | US20050146308 Controller for permanent magnet alternator |
| 07/07/2005 | US20050146307 Variable AC voltage regulation control method and apparatus |
| 07/07/2005 | DE20221235U1 Spoked wheel manufacturing method for bicycle, involves inserting spoke attachment unit in spoke attachment chamber through its one of openings, where unit has head suitable for being held inside chamber at spoke attachment seat |
| 07/07/2005 | CA2550884A1 Electric power network |
| 07/06/2005 | EP1551088A1 Secondary battery with protective circuit |
| 07/06/2005 | CN2708553Y Negative sequence synthesis braking apparatus capable of preventing unwanted operation of multi-branch transformer differential protection |
| 07/06/2005 | CN1635702A A brushless motor controller having overload switching and adjusting function |
| 07/06/2005 | CN1635683A Middle/low voltage bus short circuit protection method |
| 07/06/2005 | CN1635682A A rectifying circuit start-up protector |
| 07/06/2005 | CN1635681A Quick speed transformer differential protection method based on voltage drop off and time lag ratio differential principle |
| 07/06/2005 | CN1635675A Control system for sectional operating of ultrasonic bird driving unit |
| 07/05/2005 | US6914763 Utility control and autonomous disconnection of distributed generation from a power distribution system |
| 07/05/2005 | US6914762 Protection of electrical power lines |
| 07/05/2005 | US6914416 Electrical device including a voltage regulator mounted on a variable resistor |
| 06/30/2005 | WO2005060064A1 Method for the operation of a converter circuit of a washing machine or a tumble dryer |
| 06/30/2005 | WO2005060061A2 Device for controlling a final power-output stage |
| 06/30/2005 | WO2005059936A2 Electrical, transmission/substation/distribution shunt capacitor switching and control system with integrated, automatically resettable, overcurrent protection |
| 06/30/2005 | US20050141152 Short-circuit protective circuit |
| 06/30/2005 | US20050140492 Over-current protection device and manufacturing method thereof |
| 06/30/2005 | US20050140352 Method for detecting saturation in a current transformer |
| 06/30/2005 | US20050140323 Movable barrier operator |
| 06/29/2005 | EP1548921A1 Dc-to-dc converter for a car electrical system |
| 06/29/2005 | EP1547220A1 Method for identifying an overload current of an electric drive |
| 06/29/2005 | EP1545931A1 Electric motor circuit with overload protection |
| 06/29/2005 | CN2706938Y Current overload protector for button switch |
| 06/29/2005 | CN2706937Y General high-reliability switch power |
| 06/29/2005 | CN2706936Y Warning circuit breaking unit for safety apparatus |
| 06/29/2005 | CN1633019A 智能型电子变压器 Intelligent electronic transformer |
| 06/29/2005 | CN1633007A Protective apparatus for preventing over-charging of battery |
| 06/29/2005 | CN1633000A Fault tolerant re-judging negative sequence direction locking type longitudinal zero voltage inter-turn protection for generator |
| 06/29/2005 | CN1632999A Negative sequence direction inter-turn protection with fault component start-up and steady state component preservation |
| 06/29/2005 | CN1632998A Stator grounding protection with combined third harmonic dynamic alignment criterion and voltage ratio criterion |
| 06/29/2005 | CN1632997A Anti-TA transient imbalance differential protection for generator |
| 06/29/2005 | CN1632996A An intelligent transformer operating and controlling device and its use |
| 06/28/2005 | US6912108 Protective equipment for a series-capacitor installation |
| 06/23/2005 | WO2005057750A1 Extended instantaneous protection |
| 06/23/2005 | WO2005043743A3 Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor |
| 06/23/2005 | US20050135124 DC-to-DC converter for a car electrical system object of the invention |
| 06/23/2005 | US20050135046 Charge storage device |
| 06/23/2005 | US20050134288 Device and method for monitoring the connection of an electrical supply unit |
| 06/23/2005 | US20050134237 Control device for vehicle AC generator |
| 06/23/2005 | US20050134232 Battery pack |
| 06/23/2005 | US20050134230 Battery pack, battery protection processsing apparatus, and control method of the battery protection processing apparatus |
| 06/23/2005 | US20050133295 Transmission-ratio-varying steering apparatus |
| 06/23/2005 | US20050133244 Live conductor stringing and splicing method and apparatus |
| 06/23/2005 | US20050132765 Current cutoff circuit and electric steering wheel lock |
| 06/23/2005 | CA2547717A1 Extended instantaneous protection |
| 06/22/2005 | EP1544974A1 Method and arrangement for protecting a frequency converter |
| 06/22/2005 | EP1544973A1 Motor control system |
| 06/22/2005 | EP1544534A2 Method of controlling driving means of a dividing protecting device |
| 06/22/2005 | EP1544076A2 Transmission-ratio-varying steering apparatus |
| 06/22/2005 | EP1542885A1 Fuse for the electric system of a motor vehicle |
| 06/22/2005 | CN2705933Y Electronic type motor non-balance and phase breaking protector |
| 06/22/2005 | CN2705932Y Output controller of electronic type motor protector |
| 06/22/2005 | CN1630156A Superconducting current limiting device with magnetic field assisted quenching |
| 06/22/2005 | CN1630155A Power supply protective device and electronic device with protective device |
| 06/22/2005 | CN1630130A Battery pack |
| 06/22/2005 | CN1629761A Current cutoff circuit and electric steering wheel lock |
| 06/22/2005 | CN1629757A Device and method for protecting integrated circuit |