| 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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| 12/26/2012 | CN102843042A Switched mode power supply |
| 12/26/2012 | CN102843032A Voltage converter and method for providing overvoltage protection therein |
| 12/26/2012 | CN102842945A Intelligent charger for storage battery |
| 12/26/2012 | CN102842929A Electrical storage apparatus |
| 12/26/2012 | CN102842911A Mine-used dynamic reactive power compensation device |
| 12/26/2012 | CN102842897A Locked current protection system and locked current protection method |
| 12/26/2012 | CN102842896A Over-discharge protection control system for lithium ion storage battery and over-discharge protection method thereof |
| 12/26/2012 | CN102842895A Safety protection structure of voltage regulating circuit |
| 12/26/2012 | CN102842894A Motor open-phase protection device without auxiliary power supply |
| 12/26/2012 | CN102842893A Short-circuit protection and control circuit for LED (Lighnt emitting Diode) strip lamp |
| 12/26/2012 | CN102842892A Photovoltaic energy-saving comprehensive protector |
| 12/26/2012 | CN102842891A Digital protection relay and operation method thereof |
| 12/26/2012 | CN102842888A Energy saving and load protecting device and method for alternating current contactor |
| 12/26/2012 | CN102842887A Anti-interference electricity protecting method and anti-interference electricity protecting apparatus for electric equipment |
| 12/26/2012 | CN102361319B IGBT (Insulated Gate Bipolar Translator) short circuit protection detection circuit based on driving chip |
| 12/26/2012 | CN102209231B Equipment information output method and system |
| 12/26/2012 | CN102064683B Wide voltage input and invariable voltage output power supply module |
| 12/26/2012 | CN101860019B Acceleration method of symmetric opening in distance protection oscillation lock |
| 12/26/2012 | CN101860011B Direct current rail transportation system fault recognition method |
| 12/25/2012 | US8339110 Single stage hybrid charge pump |
| 12/25/2012 | US8337166 Pump and pump control circuit apparatus and method |
| 12/21/2012 | CA2779179A1 Linear transformer power supply |
| 12/20/2012 | WO2012172486A2 Alternator with voltage regulation |
| 12/20/2012 | WO2012172409A1 Power receiving device, power transmitting device, vehicle, and contactless power supply system |
| 12/20/2012 | WO2012172087A1 Short-circuiting switch of an electrical energy production installation |
| 12/20/2012 | WO2012141835A3 Method and system for programming and implementing automated fault isolation and restoration using sequential logic |
| 12/20/2012 | US20120320643 Snubber circuit and inverter with the same |
| 12/20/2012 | US20120320477 Device for detecting an attack in an integrated circuit chip |
| 12/20/2012 | US20120320475 Permanent magnet alternator margin detector |
| 12/20/2012 | DE202012011301U1 AS-i Motormodul mit Einzelstrang Absicherung AS-i motor module with single-stranded hedging |
| 12/20/2012 | CA2780402A1 Power system fault zone detection |
| 12/19/2012 | EP2535994A2 Fault processing system |
| 12/19/2012 | EP2535993A1 Fast and redundant overtemperature protection with safe-off for EC motor |
| 12/19/2012 | CN202617049U Multi-terminal starter |
| 12/19/2012 | CN202616923U Multifunctional overload protection actuating device |
| 12/19/2012 | CN202616867U Cutting device for asymmetric running state of supply transformer |
| 12/19/2012 | CN202616865U Cutting device for asymmetric running state of supply transformer |
| 12/19/2012 | CN202616859U PWM (Pulse-Width Modulation) high-power photovoltaic controller |
| 12/19/2012 | CN202616815U On-board unit |
| 12/19/2012 | CN202616810U Backup battery |
| 12/19/2012 | CN202616760U Distributed bridge lead wire protection system for pumped storage power station |
| 12/19/2012 | CN202616759U Computer-type microcomputer comprehensive protection, detection and control device realized based on DSP system |
| 12/19/2012 | CN202616758U Over-voltage protective equipment of current mutual inductor |
| 12/19/2012 | CN202616757U Protective device of lithium-ion battery pack |
| 12/19/2012 | CN202616756U Undervoltage protecting circuit of switching power supply |
| 12/19/2012 | CN202616755U Externally hung capacitor discharging device special for explosion-proof elevator frequency converter |
| 12/19/2012 | CN202616754U Anti-locked-rotor structure of motor |
| 12/19/2012 | CN202616753U Novel motor protection device |
| 12/19/2012 | CN202616752U Alternating-current wire outgoing protection device of direct-current brushless motor |
| 12/19/2012 | CN202616751U Grounding alarm interlock controller for loading-unloading truck for chemical inflammables |
| 12/19/2012 | CN202616750U Control device for electronic motor protector |
| 12/19/2012 | CN202616749U Generator electricity generation output protecting device |
| 12/19/2012 | CN202616748U Arc extinguishing device for fault arc detection special for photovoltaic convergence |
| 12/19/2012 | CN202616747U Dual-thyristor electric leakage protection device capable of resisting electronic daylight lamp starting high-frequency interference |
| 12/19/2012 | CN202616746U Power detecting system |
| 12/19/2012 | CN202612055U Water pump remote two-way intelligent monitoring and motor protection device with short message control |
| 12/19/2012 | CN202612026U Intelligent electric liquid pump |
| 12/19/2012 | CN102832871A Vector control based driving device of alternating current motor for pitch control system |
| 12/19/2012 | CN102832864A Position sensorless brushless direct-current motor controller |
| 12/19/2012 | CN102832858A Control circuit for an EC-motor |
| 12/19/2012 | CN102832684A Automatic stopping device for charging of light emitting diode (LED) flashlight |
| 12/19/2012 | CN102832660A Circuit with automatic charging and discharging protection function |
| 12/19/2012 | CN102832610A Control device and method for preventing voltage fluctuation and tripping of electric network of heating medium circulating pump |
| 12/19/2012 | CN102832603A Quick junctor fault isolation method compatible to low-voltage ride through operation of photovoltaic power station |
| 12/19/2012 | CN102832602A Method for improving fault judgment reliability of distributed type feeder automation |
| 12/19/2012 | CN102832601A Coal mine high-voltage electricity leakage protecting method based on phase current time-division specific values |
| 12/19/2012 | CN102832600A Regional failure protection method based on power grid topological structure |
| 12/19/2012 | CN102832599A Over-current protection circuit |
| 12/19/2012 | CN102832598A Intelligent monitoring module |
| 12/19/2012 | CN102832597A Charging protection circuit of memory battery |
| 12/19/2012 | CN102832596A Low voltage electrombile drive protecting circuit and low voltage electrombile drive protecting method |
| 12/19/2012 | CN102832595A Power transformer with self-protection function |
| 12/19/2012 | CN102832589A Electric leakage measurement and control system and measurement and control method thereof |
| 12/19/2012 | CN102074971B Feedback load energy-saving circuit for aging test and control method thereof |
| 12/19/2012 | CN101924385B Full-automatic intelligent charger |
| 12/19/2012 | CN101847962B 多功能调压模块 Multifunction voltage regulator module |
| 12/19/2012 | CN101800443B Electric power on-site monitoring equipment |
| 12/19/2012 | CN101710694B Car engine cooling fan blocking/overcurrent protection system and method |
| 12/19/2012 | CN101394080B Battery pack protection circuit |
| 12/19/2012 | CN101291053B 电路保护系统 Circuit Protection Systems |
| 12/18/2012 | US8335094 Power frequency converter |
| 12/18/2012 | US8335093 Power supply arrangement with output flow monitoring |
| 12/18/2012 | US8335061 Protection circuit, resonant converter including the protection circuit, and protecting method of the resonant converter |
| 12/18/2012 | US8335060 Hybrid fault current limiter |
| 12/18/2012 | US8334990 Information processing apparatus, information processing method, information processing program and computer readable recording medium |
| 12/13/2012 | WO2012168605A2 Method for controlling the resisting torque of a motor vehicle alternator, and system for implementing this method |
| 12/13/2012 | WO2012167848A1 Domestic appliance safety system and method for switching a domestic appliance |
| 12/13/2012 | US20120316805 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same |
| 12/13/2012 | US20120314464 Solar Module and Method for its Operation |
| 12/13/2012 | US20120314463 Power supply with restart circuit |
| 12/13/2012 | US20120313564 Reconfigurable inverter having failure tolerance for powering a synchronous poly-phase motor having permanent magnets, and assembly including said inverter and motor |
| 12/13/2012 | DE102012208609A1 Kalibrierung einer Batteriebegrenzung auf Grundlage einer Batterielebensdauer und Leistungsoptimierung Calibrating a battery edge on the basis of battery life and performance optimization |
| 12/13/2012 | DE102011077311A1 Verfahren zur Erkennung einer Auslösung einer Sicherheitseinrichtung A method for detecting triggering of a safety device |
| 12/12/2012 | EP2533130A1 Method and system for enhancing computer peripheral saftey |
| 12/12/2012 | EP2532088A2 Circuit assembly for overvoltage limiting of an excitation coil of a synchronous machine having fast de-excitation |
| 12/12/2012 | CN202602591U Explosion-proof variable-frequency governor with motor current-limiting function |
| 12/12/2012 | CN202602570U Liquid resistor constant current starting device |
| 12/12/2012 | CN202602569U Soft starting box |
| 12/12/2012 | CN202602555U Novel inversion unit for photovoltaic grid-connected inverter |
| 12/12/2012 | CN202602539U Switching power supply for audio power amplifier |