| 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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| 07/11/2012 | CN202334351U 一种1500瓦制式的太阳能逆变器 One kind of standard 1500-watt solar inverter |
| 07/11/2012 | CN202334350U 一种2000瓦制式的太阳能逆变器 One kind of standard 2000-watt solar inverter |
| 07/11/2012 | CN202334320U 1140v/600v矿用双电压变频器 1140v / 600v dual voltage inverter mine |
| 07/11/2012 | CN202334295U Low-power consumption start-up and under-voltage protection circuit device |
| 07/11/2012 | CN202333786U 抑制igbt过电流的驱动电路 Suppression igbt driver circuit overcurrent |
| 07/11/2012 | CN202333782U 一种低压电动机变频抗电网波动装置 A low pressure system motor frequency of anti-power fluctuations |
| 07/11/2012 | CN202333781U 10kV户外塔上自动化负荷开关装置 Automated load on 10kV switchgear outdoor tower |
| 07/11/2012 | CN202333780U 一种电路负荷可自动调整控制的电路结构 A circuit that automatically adjusts the load circuit structure control |
| 07/11/2012 | CN202333779U Small-current grounding fault detecting and isolating device and system |
| 07/11/2012 | CN202333778U 矿井液压支架电液控制系统的电磁阀驱动端口保护器 Solenoid drive port protector of mine hydraulic support electro-hydraulic control system |
| 07/11/2012 | CN202333777U 用于晶闸管高压软起动的控制电路 Voltage soft starter for thyristor control circuit |
| 07/11/2012 | CN202333776U 一种电动车锂电池管理系统 An electric motor vehicle lithium battery management system |
| 07/11/2012 | CN202333775U 一种动力锂电池组的电池保护电路 Battery protection circuit for a power lithium batteries |
| 07/11/2012 | CN202333774U 一种电力电容器保护装置 A power capacitor protection device |
| 07/11/2012 | CN202333773U Protection device for high-voltage capacitor |
| 07/11/2012 | CN202333772U 一种光伏并网逆变器的输入保护装置 Input protection device for photovoltaic grid-connected inverter |
| 07/11/2012 | CN202333771U Power supply protection circuit and engineering machinery |
| 07/11/2012 | CN202333770U 洗碗机电机过载保护装置 Dishwasher motor overload protection device |
| 07/11/2012 | CN202333769U 三相电机过流保护器 Three-phase motor overcurrent protection device |
| 07/11/2012 | CN202333768U 电机绕组安全诊断电路 Motor winding safety diagnostic circuit |
| 07/11/2012 | CN202333767U 一种带液晶显示屏的智能监控器 An intelligent monitoring with LCD display |
| 07/11/2012 | CN202333766U 高压电机起动智能化安全保护装置 High voltage motor starter intelligent safety devices |
| 07/11/2012 | CN202333765U 一种安全的电机驱动回路 A safe motor driving circuit |
| 07/11/2012 | CN202333764U 电路控制装置 Circuit control means |
| 07/11/2012 | CN202333763U 电动机保护器 Motor protection |
| 07/11/2012 | CN202333762U 发电机组整体接地保护装置 Overall generator grounding protection device |
| 07/11/2012 | CN202333761U 发电机高级智能预防短路保护器 Advanced Intelligent prevention generator short circuit protection |
| 07/11/2012 | CN202333760U 发电机智能保护器 Smart Protector Generator |
| 07/11/2012 | CN202333759U 发电机智能剩余电流保护器 Generator intelligent residual current protective devices |
| 07/11/2012 | CN202333758U 风电场用箱变综合保护测控装置 Wind farm with me change integrated protection and control devices |
| 07/11/2012 | CN202333757U 一种变压器非电量保护装置 A transformer non-power protection devices |
| 07/11/2012 | CN202333756U 全自动逆变器 Automatic inverter |
| 07/11/2012 | CN202333755U 蓄电池组过温报警器 Overtemperature alarm batteries |
| 07/11/2012 | CN202333728U 井下防爆综合保护装置 Underground Explosion integrated protection device |
| 07/11/2012 | CN202326141U 水泵控制柜 Pump control cabinet |
| 07/11/2012 | CN102577003A A sentinel unit for an it electrical distribution system having a floating reference conductor |
| 07/11/2012 | CN102577002A Electricity storage system |
| 07/11/2012 | CN102577000A Power supply control device |
| 07/11/2012 | CN102576999A System and method for polyphase ground-fault circuit-interrupters |
| 07/11/2012 | CN102576219A Method and device for monitoring a motion quantity on an electric drive in an error-proof manner |
| 07/11/2012 | CN102573952A Occlusion recognition in an administering apparatus |
| 07/11/2012 | CN102573198A Controller for solar street lights |
| 07/11/2012 | CN102570966A Multifunctional electric controller of clutch motor |
| 07/11/2012 | CN102570965A Program control energy-saving device of motor |
| 07/11/2012 | CN102570932A Self-coupling decompression start box for motor |
| 07/11/2012 | CN102570908A Junction box, energy system and method for controlling the same |
| 07/11/2012 | CN102570845A Singlechip-based automatic voltage conversion system |
| 07/11/2012 | CN102570824A Power supply system and image forming apparatus including the same |
| 07/11/2012 | CN102570812A Multi-function terminal of power supply controller for feedback signal input and over-temperature protection |
| 07/11/2012 | CN102570617A Method for realizing wide area protection system among multiple substations |
| 07/11/2012 | CN102570600A Programmable general protection test control device |
| 07/11/2012 | CN102570595A Method for processing fault of main transformer of transformer substation |
| 07/11/2012 | CN102570582A Multi-purpose intelligent power module |
| 07/11/2012 | CN102570557A Charging/discharging management controlling method of wind-light complementary power generation system |
| 07/11/2012 | CN102570555A Storage battery charger for controlling overcharge |
| 07/11/2012 | CN102570552A Multifunctional control and protection circuit for storage battery power supply |
| 07/11/2012 | CN102570525A PSoC (Programmable System on Chip)-based MPPT (Maximum Power Point Tracking) type solar charge controller |
| 07/11/2012 | CN102570522A Mine lamp charging monitor system and method |
| 07/11/2012 | CN102570512A Anti-high temperature battery charger |
| 07/11/2012 | CN102570455A Intelligent microgrid power-supply system |
| 07/11/2012 | CN102570447A Development stage division method for power grid |
| 07/11/2012 | CN102570443A Anti-reverse connection protection circuit of solar charging controller |
| 07/11/2012 | CN102570440A Monitoring device of surge protector |
| 07/11/2012 | CN102570439A Built-in detection device of surge protector |
| 07/11/2012 | CN102570438A Surge protector with back-up protection device |
| 07/11/2012 | CN102570436A Novel built-in detection device of surge protector |
| 07/11/2012 | CN102570431A Method for limiting short circuit current of power grid |
| 07/11/2012 | CN102570430A Electronic protection relay with current-held variable and fixed delay counting time |
| 07/11/2012 | CN102570429A Single-ended transient voltage protection method for ultrahigh voltage direct current power transmission line |
| 07/11/2012 | CN102570428A Fault location and distance protection method based on differential output of electronic mutual inductor |
| 07/11/2012 | CN102570427A Computed tomography (CT) line breaking processing method applicable to wide area protection |
| 07/11/2012 | CN102570426A Method for realizing back-up protection in wide area protection by using differential protection |
| 07/11/2012 | CN102570425A Start AD (analog-to-digital) start component acting method applied to microcomputer protection for double-AD sampling |
| 07/11/2012 | CN102570424A Evaluation method for impact of series connection of main transformer neutral point and small reactor on relay protection |
| 07/11/2012 | CN102570423A Crossover line permanent fault recognizing method for double circuit lines on same tower |
| 07/11/2012 | CN102570422A Method for calculating critical clearing time of power system according to actual measurement track |
| 07/11/2012 | CN102570421A Self-adapting weak feed fault detection method |
| 07/11/2012 | CN102570420A System for application of resistor to resonant grounding system |
| 07/11/2012 | CN102570419A Power transmission line pilot protection method based on magnitude of current |
| 07/11/2012 | CN102570418A Method and device for identifying current inverting of series compensated line |
| 07/11/2012 | CN102570417A 10kV distribution network and method for quickly and selectively removing fault |
| 07/11/2012 | CN102570416A Method for searching grounding point of low-current grounding system and line for checking grounding point of low-current grounding system |
| 07/11/2012 | CN102570415A Automatic reclosing method for multiphase faults of extra-high-voltage common-tower double-circuit transmission line |
| 07/11/2012 | CN102570414A Method for preventing malfunction of protection device |
| 07/11/2012 | CN102570413A Compensatory protection and linked tripping device for submarine cable |
| 07/11/2012 | CN102570412A DC solid-state power controller |
| 07/11/2012 | CN102570411A Circuit breaker with a digital data processing device |
| 07/11/2012 | CN102570410A Electronic voltage stabilizer |
| 07/11/2012 | CN102570409A Over-voltage protection method and device for onboard battery of trolley bus |
| 07/11/2012 | CN102570408A Over-discharge protection circuit for lithium battery |
| 07/11/2012 | CN102570407A Chip for protecting battery and printed circuit board (PCB) |
| 07/11/2012 | CN102570406A Battery protection device |
| 07/11/2012 | CN102570405A Apparatus for electric power tool and recording medium |
| 07/11/2012 | CN102570404A Protective circuit module of battery units, and auxiliary printed circuit board |
| 07/11/2012 | CN102570403A Temperature protection circuit for lithium ion battery charging and discharging |
| 07/11/2012 | CN102570402A Switching power device with alternating current input over-voltage protection function |
| 07/11/2012 | CN102570401A Semiconductor element drive device |
| 07/11/2012 | CN102570400A Intrinsically safe high-power switch converter output short-circuit protection device and method |
| 07/11/2012 | CN102570399A Power supply circuit as well as circuit board and electronic device adopting same |
| 07/11/2012 | CN102570398A Current-limiting delay protection circuit of lithium battery charge drill |