| 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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| 10/31/2012 | CN102761148A Battery pack management system |
| 10/31/2012 | CN102761131A Low-voltage side boosting reactive power compensation and filtration device of ore furnace |
| 10/31/2012 | CN102761108A Logic operation-based distributed feeder automatization fault judgment method |
| 10/31/2012 | CN102761107A Voltage protection device |
| 10/31/2012 | CN102761106A Quick starting and vector calculation method for intelligent substation integrated protection |
| 10/31/2012 | CN102761105A Overcurrent driving protection device and method for PWM control circuit |
| 10/31/2012 | CN102761104A Power supply protection device of electronic circuit |
| 10/31/2012 | CN102761103A Compressor demagnetization protection circuit and demagnetization protection method and air conditioner |
| 10/31/2012 | CN102761102A Protection system for power-cut illuminating device |
| 10/31/2012 | CN102761101A High-voltage electrified display system with anti-fault interface |
| 10/31/2012 | CN102097990B Motor controller circuit |
| 10/31/2012 | CN101938117B Current differential protection method for smart distribution network |
| 10/31/2012 | CN101931218B Apparatus for electronic monitoring of the supply current of modules connected to a bus |
| 10/31/2012 | CN101873094B Control system of redundant high voltage permanent magnet brushless direct current motor |
| 10/31/2012 | CN101860020B Method of boundary element utilizing polar wave S transform energy ratio to determine ultra high-voltage direct current transmission line fault |
| 10/31/2012 | CN101820245B Permanent magnet generator voltage stabilizing device and method for regulating voltage by adopting pulse width modulating technology |
| 10/31/2012 | CN101425692B Protection circuit for battery pack and battery pack having the same |
| 10/30/2012 | US8301312 Fault situation processing arrangement of a load distribution system of a local electric power transmission network |
| 10/30/2012 | US8300378 Method and apparatus for protecting power systems from extraordinary electromagnetic pulses |
| 10/30/2012 | US8299642 Wind power generation system |
| 10/26/2012 | WO2012143361A1 Circuit assembly for an alternating current contactor, motor protection relay and method for producing a power supply unit |
| 10/26/2012 | WO2012143245A1 Arrangement comprising a power converter |
| 10/26/2012 | WO2012143222A1 Communication system for power electronic converters |
| 10/26/2012 | WO2012113704A3 Sub-module of a modular multi-stage converter |
| 10/26/2012 | WO2012065897A3 Device and method for protecting a charging cable serving to charge electric vehicles |
| 10/26/2012 | CA2833080A1 Circuit arrangement for an alternating current contactor, motor protection relay and method for producing a voltage supply |
| 10/25/2012 | US20120268973 Power regulating apparatus |
| 10/25/2012 | US20120267896 Network Protection for Power Spot Networks |
| 10/24/2012 | EP2515453A1 Communication system for power electronic converters |
| 10/24/2012 | EP2515429A2 Synchronous rectified switch with auto fault clearing |
| 10/24/2012 | EP2514059A1 Protection for parallel lines in an electrical power supply system |
| 10/24/2012 | EP2514057A2 Direct current arc fault circuit interrupter, direct current arc fault detector, noise blanking circuit for a direct current arc fault circuit interrupter, and method of detecting arc faults |
| 10/24/2012 | EP2514043A1 Self-monitoring connection line and operating equipment |
| 10/24/2012 | CN202503698U Intelligent LED lights |
| 10/24/2012 | CN202503341U Lithium battery used for police-used vest |
| 10/24/2012 | CN202503274U Standby power supply automatic throwing-in equipment of microcomputer based on DSP system |
| 10/24/2012 | CN202503273U Control circuit of explosion-proof storage battery dump truck |
| 10/24/2012 | CN202503272U Breaker under-voltage protection apparatus |
| 10/24/2012 | CN202503271U Protection circuit of large-capacity high-current lithium battery assembly |
| 10/24/2012 | CN202503270U Lithium battery protection device with real-time detection function |
| 10/24/2012 | CN202503269U Lithium battery protection circuit and anti-explosion lithium battery adopting same |
| 10/24/2012 | CN202503268U Protection, measurement and control integrated device for capacitor |
| 10/24/2012 | CN202503267U Intrinsic safety type output short circuit protection device of high power switch converter |
| 10/24/2012 | CN202503266U Motor voltage loss restarting device |
| 10/24/2012 | CN202503265U Motor overheating protection and alarm device |
| 10/24/2012 | CN202503264U Assembly for controlling transformer pressure |
| 10/24/2012 | CN102754326A Power conversion device, x-ray ct device, and x-ray image taking device |
| 10/24/2012 | CN102752935A Solar light-emitting diode (LED) lamp controller |
| 10/24/2012 | CN102751927A Series excitation brush direct current motor controller |
| 10/24/2012 | CN102751919A Double-voltage automatic switchover switch and processing method |
| 10/24/2012 | CN102751878A Special fly-back switching power supply for wine cabinet of ice bar and electronic refrigeration type water dispenser |
| 10/24/2012 | CN102751872A Power conversion circuit and feedback control circuit |
| 10/24/2012 | CN102751777A Intelligent lead-acid battery charger |
| 10/24/2012 | CN102751765A Mobile power supply |
| 10/24/2012 | CN102751764A Mobile power supply |
| 10/24/2012 | CN102751748A Charging system for electric vehicle |
| 10/24/2012 | CN102751723A Ship alternative-current zone power distribution network system and reliability analysis method thereof |
| 10/24/2012 | CN102751708A Self-adaptive sampling delay compensation method of differential protection |
| 10/24/2012 | CN102751707A Overcurrent and overvoltage protector with bimetallic strip temperature switch |
| 10/24/2012 | CN102751706A Undervoltage protection circuit of LED (light-emitting diode)-driven chip |
| 10/24/2012 | CN102751705A Electronic device with overvoltage protection and overvoltage protection method thereof |
| 10/24/2012 | CN102751704A Voltage detecting type rechargeable battery protector |
| 10/24/2012 | CN102751703A Rechargeable battery protector |
| 10/24/2012 | CN102751702A Current sampling circuit for intelligent power module |
| 10/24/2012 | CN102751701A Electric motor current interference prevention method |
| 10/24/2012 | CN102751698A Overvoltage protection circuit, power module and overvoltage protection method |
| 10/24/2012 | CN101951190B Photovoltaic module capable of being electrically isolated |
| 10/24/2012 | CN101841150B Thyristor protector |
| 10/24/2012 | CN101557100B Bidirectional and reverse blocking battery switch |
| 10/23/2012 | US8295020 Electronic circuit |
| 10/23/2012 | US8294429 Robust digital voltage regulator |
| 10/23/2012 | US8294403 Methods and systems for determining and displaying a time to overload of machine tools |
| 10/23/2012 | CA2693300C Charging monitor |
| 10/22/2012 | DE202011050696U1 Sicherungsvorrichtung für photovoltaische (PV-)Generatoren Safety device for photovoltaic (PV) generators |
| 10/18/2012 | WO2012114071A9 Protection circuitry for monitoring the power devices controlling the exciter current of an electrical generator |
| 10/18/2012 | DE102011007365A1 Ladestation zum Laden eines Speichers für elektrische Energie, insbesondere in einem Elektrofahrzeug Charging station for charging an electrical energy store, in particular in an electric vehicle |
| 10/17/2012 | EP2511997A2 Method and apparatus for control of an electric power system in response to circuit abnormalities |
| 10/17/2012 | EP2511956A2 Three-circuit voltage spike protection for a photovoltaic system |
| 10/17/2012 | EP2510613A1 Inverter assembly for operating an electric motor |
| 10/17/2012 | EP2510604A1 Detecting an abnormality of a switch in a high voltage electrical substation |
| 10/17/2012 | EP2510599A1 Line fault detector |
| 10/17/2012 | CN202496003U Antenna power supply device with current accurately controlled on satellite receiver television |
| 10/17/2012 | CN202495883U Current sharing controller for direct-current parallel technology of variable frequency generator set |
| 10/17/2012 | CN202495848U Permanent magnet direct current motor having function of safety protection |
| 10/17/2012 | CN202495773U Intelligent reactive power compensation device based on single tripolar synchronous switch |
| 10/17/2012 | CN202495756U Dual CAN power supply system comprehensive protector |
| 10/17/2012 | CN202495755U Vacuum feed switch protection circuit for mining |
| 10/17/2012 | CN202495754U Mine intrinsically safe vacuum electromagnetic starter protection device |
| 10/17/2012 | CN202495753U Neutral line break protection module of low-voltage circuit breaker with check function |
| 10/17/2012 | CN202495752U Protection circuit capable of preventing overshoot and overdischarge |
| 10/17/2012 | CN202495751U Lithium-ion battery and protection board thereof and protection circuit |
| 10/17/2012 | CN202495750U LNB protection circuit and LNB switch circuit |
| 10/17/2012 | CN202495749U Power source protection circuit |
| 10/17/2012 | CN202495748U Constant power module for preventing constant power type motor from galloping |
| 10/17/2012 | CN202495747U Motor switch capable of automatic identification |
| 10/17/2012 | CN202495746U Motor protection device |
| 10/17/2012 | CN202495745U Novel voltage transformer overcurrent protector |
| 10/17/2012 | CN202495740U Three-phase power supply open-phase protector |
| 10/17/2012 | CN202495703U Breaker for previewing line fault |
| 10/17/2012 | CN102742139A Inverter and overload protection method |