| 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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| 05/18/2012 | WO2012061978A1 Synchronization method for current differential protection |
| 05/17/2012 | US20120120690 Power supply circuit |
| 05/17/2012 | US20120120689 Fault tolerant dc power systems |
| 05/17/2012 | US20120119711 High voltage dc power generation |
| 05/16/2012 | EP2452410A1 Substation automation system with remote redundant protection function |
| 05/16/2012 | EP2452409A2 Method for operating a closing device of a motor vehicle and a closing device |
| 05/16/2012 | DE102010060506A1 Verfahren und Einrichtung zur Überwachung einer Schalteinrichtung Method and apparatus for monitoring a switching device |
| 05/16/2012 | CN202221911U Anti-overheating plug-type electric vehicle storage battery charger |
| 05/16/2012 | CN202221910U Clamping type anti-overheating battery charger for electric vehicle |
| 05/16/2012 | CN202221889U Mutual inductor combined module of motor protector |
| 05/16/2012 | CN202220713U Safety protection device of marine wind generating set |
| 05/16/2012 | CN102460887A 配电装置 Power Distribution Unit |
| 05/16/2012 | CN102460883A 变电站自动化中的保护闭锁 Substation Automation lockout protection |
| 05/16/2012 | CN102460882A 用于输入端包括emc滤波器的逆变器的过电压保护 Emc filter for the input of inverter include overvoltage protection |
| 05/16/2012 | CN102457223A 汽油发电机组全自动控制器及控制方法 Gasoline generator automatic controller and control method |
| 05/16/2012 | CN102457200A 电源供应器与电源供应系统 Power supply and power supply systems |
| 05/16/2012 | CN102457091A 抗干扰的感应式无线充电器及抗干扰方法 Inductive interference and jamming methods wireless charger |
| 05/16/2012 | CN102457050A 用于具有两个选择性触发的开关的电流分配系统的方法 The method has two switching current distribution system for selective trigger |
| 05/16/2012 | CN102457049A Power supply converting controller and LED (light emitting diode) drive circuit |
| 05/16/2012 | CN102457048A 一种风力发电机组变流器过压保护装置 A wind turbine converter overvoltage protection device |
| 05/16/2012 | CN102457047A 电源供应器以及具有多个电源供应器的供电系统 Power supply and power supply system having a plurality of power supplies |
| 05/16/2012 | CN102457046A Protection system of generator |
| 05/16/2012 | CN102455381A Current detecting circuit and current overcurrent protection controller |
| 05/16/2012 | CN101794984B Method for analyzing turn-to-turn fault of generator rotor based on multiloop model |
| 05/16/2012 | CN101562332B Self-adaptive current fast tripping protection method for distribution network comprising inverse distributed power |
| 05/16/2012 | CN101286719B Motor driving device, locked rotor protecting method and cooling device using the same |
| 05/16/2012 | CN101243589B Motor drive circuit |
| 05/15/2012 | US8179704 Electronic device having a circuit protection unit |
| 05/15/2012 | US8179650 Power supply apparatus |
| 05/15/2012 | US8179648 Power amplifier protection |
| 05/15/2012 | US8179072 Method for counting the number of revolutions of a burr of a coffee mill and appliance comprising such a mill |
| 05/15/2012 | US8177520 Controller for a motor and a method of controlling the motor |
| 05/10/2012 | WO2012060811A1 Power delivery systems and methods |
| 05/10/2012 | WO2012035430A3 Thermal foldback circuit with dimmer monitor |
| 05/10/2012 | WO2012012426A3 Continuous uninterruptable ac grounding system for power system protection |
| 05/10/2012 | US20120113551 Method and Apparatus of Providing Over-Temperature Protection for Power Converters |
| 05/10/2012 | DE102009036861B4 Verfahren zur Regelung eines Spannungswandlers, Spannungswandler sowie Betriebsgerät mit einem Spannungswandler Method for regulating a voltage transformer, voltage transformer, and operating device with a voltage converter |
| 05/09/2012 | EP2451043A1 Power distribution system |
| 05/09/2012 | EP2449642A1 Device and method for securing an electric line with a controllable switching element |
| 05/09/2012 | EP2319150B1 Substation automation with redundant protection |
| 05/09/2012 | CN202218173U 逆变电路 Inverter circuit |
| 05/09/2012 | CN202218167U Mini-type non-inductive vector frequency converter |
| 05/09/2012 | CN202218040U Charging protector for battery |
| 05/09/2012 | CN202218036U Charging circuit |
| 05/09/2012 | CN202218008U Connecting structure for main transformer station failure starter and re-pressing interlock reliever |
| 05/09/2012 | CN202218007U Power lithium ion battery protective circuit |
| 05/09/2012 | CN202218006U Grounding fault detecting and protecting device of solar photovoltaic inverter |
| 05/09/2012 | CN202218005U Short circuit protecting circuit and power source having short circuit protecting function |
| 05/09/2012 | CN202217913U Intelligent arc light protection and double-layer reactive power compensation switch cabinet |
| 05/09/2012 | CN202217191U Novel dry-type transformer temperature controller |
| 05/09/2012 | CN1267112B Temperatrue protection control for starter of motor |
| 05/09/2012 | CN102449870A Power flow control in a meshed HVDC power transmission network |
| 05/09/2012 | CN102449283A Electric supercharger |
| 05/09/2012 | CN102447389A Two-wire transmitter |
| 05/09/2012 | CN102447275A Control system for accumulators |
| 05/09/2012 | CN102447271A Power supply unit and power supply method thereof |
| 05/09/2012 | CN102447247A Optical fiber latching current protective device |
| 05/09/2012 | CN102447246A Method of fault isolation and self-healing for electric distribution network |
| 05/09/2012 | CN102447245A Alarm device for loom motor |
| 05/09/2012 | CN102445652A Detecting method for monitoring circuit |
| 05/09/2012 | CN101651334B Overcharging protection circuit of rechargeable battery |
| 05/09/2012 | CN101615040B Temperature control system with contactor fault detection and control |
| 05/09/2012 | CN101477883B Isolated transformer device, printed circuit board and manufacturing process thereof |
| 05/09/2012 | CN101258782B Discharge lamp drive control circuit |
| 05/08/2012 | US8174854 Switching power supply system with reduced current consumption at light load |
| 05/08/2012 | US8174812 Mechanically interlocked transfer switch |
| 05/08/2012 | US8174811 Overheat protection device and electrical system having same |
| 05/08/2012 | US8174803 System for creating a magnetic field via a superconducting magnet |
| 05/08/2012 | US8174802 Switching regulator and operations control method thereof |
| 05/08/2012 | US8174246 Vehicle power generation controlling device and vehicle system |
| 05/08/2012 | CA2678031C Generator power plant protection system and method |
| 05/03/2012 | WO2012057787A1 Energy storage apparatus |
| 05/03/2012 | WO2012055447A1 Voltage balancing of symmetric hvdc monopole transmission lines after earth faults |
| 05/03/2012 | WO2012055416A1 A wind turbine generator |
| 05/03/2012 | WO2011057901A3 Inverter with a voltage limiting element |
| 05/03/2012 | WO2011057900A3 Inverter with a voltage limiting element |
| 05/03/2012 | US20120109546 Identification of rotor broken bar in presence of load pulsation |
| 05/03/2012 | US20120106212 Power converter |
| 05/03/2012 | US20120105020 Controller for ac generator |
| 05/03/2012 | DE102010043291A1 Device for protecting charging cable utilized for charging electric car at charging station, has evaluation unit triggering switch when reaching threshold value, so that control lines assume voltage level of line to stop charging process |
| 05/02/2012 | EP2448075A1 Apparatus for protecting direct current branch circuit |
| 05/02/2012 | EP2446517A1 Power distribution apparatus |
| 05/02/2012 | EP2446283A1 Method for identifying type of fault on power line |
| 05/02/2012 | CN202210707U Inversion pulsation self repair multifunctional mine lamp charging frame |
| 05/02/2012 | CN202210702U Electric car energy saving charger for preventing overcharging |
| 05/02/2012 | CN202210674U DC (Direct Current) rectifier power supply protective device for EDI (Electronic Data Interchange) of water treatment system |
| 05/02/2012 | CN202209300U Fan control circuit capable of prolonging service life of DC (direct-current) carbon-brush motor of fan |
| 05/02/2012 | CN102439842A System and method for determining stator winding resistance in an AC motor using motor drives |
| 05/02/2012 | CN102439836A Electrical system for starting up aircraft engines |
| 05/02/2012 | CN102439815A 充电控制装置 Charging control means |
| 05/02/2012 | CN102439811A A protection system for an it electrical distribution system having a floating reference conductor |
| 05/02/2012 | CN102438345A Driving circuit of light-emitting diode and short-circuit protection circuit for driving circuit |
| 05/02/2012 | CN102437639A Method for putting reclosing of 110 KV double lines with parallel operation into service and line for putting reclosing into service |
| 05/02/2012 | CN102437633A Battery power supply device |
| 05/02/2012 | CN102437557A Quick-acting and selective parallel double-circuit running lines (110kV) and quick-action and selection method thereof |
| 05/02/2012 | CN102437556A Sequence component longitudinal direction protection method of six-phase power transmission line |
| 05/02/2012 | CN102437555A Over-temperature protection circuit for insulated gate bipolar transistor (IGBT) |
| 05/02/2012 | CN102437554A Method and circuit for protecting storage battery of on-board equipment |
| 05/02/2012 | CN102437553A Inverter device overvoltage protection method |
| 05/02/2012 | CN102437552A Trip-out selection method of transformer gap protection and loop thereof |