| 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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| 01/05/2011 | CN101938116A Relay protection method and device |
| 01/05/2011 | CN101938115A Battery protection circuit and portable light |
| 01/05/2011 | CN101938114A Low-potential automatic power-off protection circuit of storage battery |
| 01/05/2011 | CN101938113A Mounting groove structure of display operation module of motor protector |
| 01/05/2011 | CN101540512B Multifunctional management module of double series lithium batteries |
| 01/05/2011 | CN101527539B Speed adjustment control system of anti-inversion failure seamless switching motor and control method thereof |
| 01/05/2011 | CN101505093B Multipath output electrical power suitable for space environment |
| 01/05/2011 | CN101483337B Failure automatic diagnosis and separation apparatus and method for power distribution network overhead line |
| 01/05/2011 | CN101199094B Electric power storage system |
| 01/04/2011 | US7864552 Intelligent sensorless control of a phase controlled rectifier |
| 01/04/2011 | US7864520 Computer chassis |
| 01/04/2011 | CA2638645C Engine having power bus fault short circuit control with a disconnection switch |
| 12/30/2010 | US20100328973 Ac coupled switching power supply and method therefor |
| 12/30/2010 | DE102010000161A1 Überspannungsschutzschaltung und Motorsteuerung für selbige An overvoltage protection circuit and motor control for selbige |
| 12/29/2010 | WO2010150168A1 Power distribution apparatus |
| 12/29/2010 | WO2010149217A1 Method for protecting transformers, and a transformer |
| 12/29/2010 | EP2267857A1 Electric protection circuit |
| 12/29/2010 | EP2266180A1 Battery module |
| 12/29/2010 | EP2127063B1 Adaptive provision of protection function settings of electrical machines |
| 12/29/2010 | EP1453173B1 Overload current protection apparatus |
| 12/29/2010 | CN201690406U Permanent magnetic brushless direct-current motor driver |
| 12/29/2010 | CN201690399U Thermal relay connecting circuit in starlike-triangular starting circuit of motor |
| 12/29/2010 | CN201690381U Solar intelligent flow concentration box |
| 12/29/2010 | CN201690267U Synthetic protective device capable of realizing power rapid-switch for nuclear power plant |
| 12/29/2010 | CN201690260U Automatically controlled constant current charger |
| 12/29/2010 | CN201690240U Grid-connected wind-solar complementary control inverter |
| 12/29/2010 | CN201690227U Disengage electrified maintenance type over-voltage protection apparatus |
| 12/29/2010 | CN201690226U Electric arc light signal acquiring device |
| 12/29/2010 | CN201690225U Microcomputer protective device |
| 12/29/2010 | CN201690224U Electronic temperature protector |
| 12/29/2010 | CN201690223U Soya-bean milk maker motor overcurrent protection device |
| 12/29/2010 | CN201690222U Time-delay overload short-circuit protector |
| 12/29/2010 | CN201690221U Motor protection device |
| 12/29/2010 | CN201690220U Frequency converter for precast concrete member production line spreader |
| 12/29/2010 | CN201690219U Generator rotor field suppression and over-voltage protection circuit with non-full-phase protection function |
| 12/29/2010 | CN201690218U Transformer running monitoring device |
| 12/29/2010 | CN201690214U Circuit with automatic detection and voluntary adjustment output of phase sequence |
| 12/29/2010 | CN101933209A Safety mechanisms, wake up and shutdown methods in distributed power installations |
| 12/29/2010 | CN101931256A Charger of uninterrupted power supply and uninterrupted power supply using same |
| 12/29/2010 | CN101931221A Surge protector with breaker |
| 12/29/2010 | CN101931219A Phase deviation based auto-disturbance rejection isolated island detecting method |
| 12/29/2010 | CN101931218A Apparatus for electronic monitoring of the supply current of modules connected to a bus |
| 12/29/2010 | CN101931217A Anti-tripping protection circuit of circuit breaker |
| 12/29/2010 | CN101931216A Automatic switching device for substation |
| 12/29/2010 | CN101931215A Wind, light and electricity integrated system and over-voltage protection method of rectifier thereof |
| 12/29/2010 | CN101931214A Motor overload protection device |
| 12/29/2010 | CN101931213A Motor overload protection device |
| 12/29/2010 | CN101931212A Transformer self-adaptive protector and protection method thereof |
| 12/29/2010 | CN101930057A Method and system for detecting faults of power batteries |
| 12/29/2010 | CN101483404B Intelligent motor controller |
| 12/29/2010 | CN101471559B Protection circuit |
| 12/29/2010 | CN101420131B Energy saving control method for lithium ionic battery protection circuit and control circuit thereof |
| 12/29/2010 | CN101272057B Portable mobile charging power supply |
| 12/28/2010 | US7860615 Method and apparatus for control of an electric power distribution system in response to circuit abnormalities |
| 12/28/2010 | US7859869 Forward converter transformer saturation prevention |
| 12/28/2010 | US7859868 Synchronous rectifier control circuit with deadtime adjustment to prevent crossover conduction |
| 12/28/2010 | US7859865 Method and apparatus for conditional response to a fault condition in a switching power supply |
| 12/28/2010 | US7859862 Apparatus and method for regulating constant output voltage and current on primary side in a flyback converter |
| 12/28/2010 | US7859812 Power IC with an over-current protection circuit and method thereof |
| 12/28/2010 | US7859811 Modular communication plug-in module for an electronic trip unit |
| 12/28/2010 | US7859809 Test plug with overvoltage protection |
| 12/28/2010 | US7859801 Control apparatus for linear compressor |
| 12/28/2010 | US7859340 Metal-oxide-semiconductor circuit designs and methods for operating same |
| 12/28/2010 | US7859213 Control device and control method |
| 12/23/2010 | WO2010102100A3 Method and apparatus for overvoltage protection of an inverter |
| 12/23/2010 | US20100321839 Over-current protection device for multiple high-voltage motive devices and method thereof |
| 12/23/2010 | US20100320952 Overload protection device for motor |
| 12/23/2010 | US20100320951 Inverter device, electric automobile in which the inverter device is mounted, and hybrid automobile in which the inverter device is mounted |
| 12/23/2010 | US20100320836 Inverter with network interface |
| 12/23/2010 | US20100319268 Method for obtaining a criterion for detecting obstacles to the closure of an opening |
| 12/22/2010 | EP2264850A2 Thermal overload relay with trip classification |
| 12/22/2010 | CN201682413U PFC protective circuit and television with same |
| 12/22/2010 | CN201682411U Switch control circuit with short circuit protection |
| 12/22/2010 | CN201682311U Intelligent charging device of electric automobile |
| 12/22/2010 | CN201682302U Battery management system |
| 12/22/2010 | CN201682276U Relay protection and fault analysis system for power grid |
| 12/22/2010 | CN201682275U Electronic tube bus expansion recorder |
| 12/22/2010 | CN201682274U Intelligent explosion-proof switch integrated protector |
| 12/22/2010 | CN201682273U Plant SFC input/output variable gas protection system |
| 12/22/2010 | CN201682272U Filter capacitor monitoring protection device |
| 12/22/2010 | CN201682271U Overvoltage protection device of super capacitor |
| 12/22/2010 | CN201682270U Overvoltage absorption device of special frequency converter of mine hoist |
| 12/22/2010 | CN201682269U Main wiring circuit of large-small vehicle transducer of roasting crown block |
| 12/22/2010 | CN201682268U Intelligent motor protector |
| 12/22/2010 | CN201682267U Control circuit of dust collector with motor protecting and power off memory functions |
| 12/22/2010 | CN201682266U Short-circuit protection circuit of output end of electric pressure converter of electrocar |
| 12/22/2010 | CN201681441U Automatic vending machine and gate mechanism with overload protecting function |
| 12/22/2010 | CN201680135U Lubrication pump with motor protection device |
| 12/22/2010 | CN1988385B On failure detection apparatus of power supply circuit |
| 12/22/2010 | CN1879274B Overheat protection device and electrical system having same |
| 12/22/2010 | CN1821578B Compressor diagnostic system |
| 12/22/2010 | CN101924517A Inverter device |
| 12/22/2010 | CN101924480A Constant-current power supply circuit |
| 12/22/2010 | CN101924472A MOS tube and IGBT tube mixed bridge-circuit inverter type welding/cutting power supply |
| 12/22/2010 | CN101924461A Direct connection preventing voltage converter of electromobile |
| 12/22/2010 | CN101924385A Full-automatic intelligent charger |
| 12/22/2010 | CN101924378A Battery monitoring device and method thereof |
| 12/22/2010 | CN101924354A Artificially neural network routing method for distribution network failure by using S-transforming energy sampling property |
| 12/22/2010 | CN101924353A Overcurrent electronic protection module for high-voltage integrated gate commutated thyristor (IGCT) and short-circuit current protection method |
| 12/22/2010 | CN101924352A Safety switching assembly for solar assemblies |