Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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
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)
03/2012
03/14/2012CN202166868U 一种晶闸管交流调功器控制系统 AC thyristor power regulator control system
03/14/2012CN202166707U 低压供电系统线路绝缘检测仪 Low voltage power supply system wiring insulation tester
03/14/2012CN202165068U 一种全自动脱气机 A fully automatic degasser
03/14/2012CN202164071U 电动绞盘的监控保护装置 Electric winch monitoring and protection devices
03/14/2012CN102377336A Switching power source apparatus
03/14/2012CN102377335A Transistor module and transistor driving module
03/14/2012CN102377246A Graphic instantiation method based on IEC61850 fault analysis system
03/14/2012CN102377198A Rechargeable battery
03/14/2012CN102377172A Three-phase program controlled power source and power amplifier tube short-circuiting protective circuit thereof
03/14/2012CN102377171A Overtemperature warning device for storage battery and overtemperature warning method therefor
03/14/2012CN102377170A 保护电路 Protection circuit
03/14/2012CN102377169A Thermal shutdown unit, switch controller including the same, and control method of thermal shutdown protection operation
03/14/2012CN102377168A Protection device and method for transformer of electric elevator
03/13/2012US8134820 Contactor control circuit
03/13/2012US8134815 Integrated circuit and assembly therewith
03/13/2012US8134345 Cryogenic exciter
03/13/2012US8134339 Integrated circuit and method for preserving vehicle's battery charge and protecting trailer load
03/13/2012CA2470630C Determining an operational limit of a power transmission line
03/08/2012WO2012030013A1 Method for determining switch mounting position, system thereof and recording medium including same
03/08/2012WO2012028304A1 Process for auto-testing a fully discharged battery, such as double-layer capacitor battery, and circuit for doing the same
03/08/2012WO2012028247A1 Method and device for safely switching a photovoltaic system after differentiating the arc type
03/08/2012US20120058371 Current collecting terminal for electrochemical cells
03/08/2012DE19722017B4 Elektrische Schaltung und Verfahren zur Überwachung eines Bauelements Electrical circuit and method for monitoring a device
03/08/2012DE102009025363B4 Anfahrquelle Wechselrichter Anfahrquelle inverter
03/08/2012CA2809895A1 Method and device for safely switching a photovoltaic system after differentiating the arc type
03/07/2012EP2426803A2 Protection circuit for a power conversion apparatus
03/07/2012EP1938454B1 Soft-start circuit and method for power-up of an amplifier circuit
03/07/2012CN202160154U 一种带上电保护的igbt驱动电路 One kind of electrical tape to protect igbt driver circuit
03/07/2012CN202160121U 机车用直流变换器 Motorcycle DC converter
03/07/2012CN202160116U 一种用于轻型直流输电设备的新型功率单元 The new power unit for HVDC equipment
03/07/2012CN202160010U Power line monitoring device based on wireless network
03/07/2012CN202159997U 一种锂电池系统 One kind of lithium battery systems
03/07/2012CN202159971U 一种直流断路器智能保护装置 A DC circuit breaker intelligent protection device
03/07/2012CN202159970U 电热功能鞋锂电池过放过流保护器 Shoes lithium battery over-discharge electric current protection device
03/07/2012CN202159969U 锂电池保护装置 Lithium battery protection device
03/07/2012CN202159968U 一种逆变电源供电漏电保护装置 An inverter power supply leakage protection device
03/07/2012CN202159967U 一种开关电源短路保护电路 A switching power supply short-circuit protection
03/07/2012CN202159966U 电机监控无线报警装置 Motor monitoring wireless alarm device
03/07/2012CN202159965U 一种智能型电机、水泵智能保护断路器 An intelligent motors, pumps intelligent protection circuit breaker
03/07/2012CN202159964U 一种基于计算机控制的三相电动机保护器 A three-phase motor protection based on a computer-controlled
03/07/2012CN202156305U Solar energy yacht with double over-discharge protection
03/07/2012CN102369644A Control circuit for preventing battery group from being reversely connected and power supply system for base station
03/07/2012CN102368677A Intelligent alternating current frequency conversion control system of electric actuator
03/07/2012CN102368667A Offline type AC-DC (Alternating Current-Direct Current) control circuit and converting circuit comprising same
03/07/2012CN102368607A Power-off protection system for electronic product drop process
03/07/2012CN102368606A Leakage protection method of frequency converter and apparatus thereof
03/07/2012CN102368605A Wiring method of current loop of main transformer protection for side-band operation
03/07/2012CN102368604A Overcurrent protection circuit of electric drive controller for electric vehicle
03/07/2012CN101593968B Overcurrent protection method and the overcurrent protector of isolated gate bipolar transistor (IGBT)
03/07/2012CN101572525B Generator excitation unit
03/07/2012CN101562393B Secondary startup control circuit and switching power supply
03/06/2012US8130517 Forward converter transformer saturation prevention
03/06/2012US8130515 Bi-directional DC-DC converter and method for controlling the same
03/06/2012US8129873 Stator coil coolant flow reduction monitoring
03/06/2012US8129851 Wind power generation system and control method thereof
03/06/2012CA2549838C Method and device for fault detection in transformers or power lines
03/06/2012CA2455942C Method and apparatus for controlling power supplied to a motor
03/01/2012WO2012026537A1 Power supply device
03/01/2012WO2011073772A3 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
03/01/2012US20120051103 Power converter
03/01/2012US20120050923 Methodology for protection of current transformers from open circuit burden
03/01/2012US20120050922 Overcurrent Fault Detection Device for Electrical Drive Control System
03/01/2012US20120049806 Generation control device
03/01/2012DE102011101528A1 Steinmetz circuit for recognizing jamming of rotor of synchronous motor, has auxiliary capacitor for recognizing jamming of rotor of motor by changing voltage ratio of motor phases, where circuit is not adjusted based on voltage or current
03/01/2012DE102011008140A1 Verfahren und Vorrichtung zum Schalten einer Gleichspannungsanlage Method and device for switching a DC voltage system
03/01/2012DE102010036080A1 Switch i.e. power switch, for interrupting alternating current flowing through conductor, has trip unit selecting alternating current output voltage that corresponds to inputs of trip unit and is reused with respect to resolution
02/2012
02/29/2012EP2424064A1 Overcurrent fault detection device for electrical drive control system
02/29/2012EP2423694A1 Process for auto-testing a fully discharged battery, such as double-layer capacitor battery, and circuit for doing the same
02/29/2012CN202153637U 防灾变综合保护监控器 Disaster prevention becomes integrated protection Monitor
02/29/2012CN202153636U 一种智能车载终端的宽电压电源保护装置 Wide voltage power protection device for intelligent vehicle terminal
02/29/2012CN202153635U 一种汽车仪表电源掉电保护电路 An automobile instrument power failure protection circuit
02/29/2012CN102364869A Wide-voltage constant-power motor speed stabilization thermostat
02/29/2012CN102364859A Switching power supply control device and flyback switching power supply with same
02/29/2012CN102364799A Differential protection system for power system substation
02/29/2012CN102364796A Voltage and phase sequence protection circuit
02/29/2012CN101150261B Intelligent determination method for channel switch test of power measurement
02/29/2012CN101064426B Method of protecting power device of inverter during stall of motor
02/28/2012US8125797 Radiation tolerant electrical component with non-radiation hardened FET
02/28/2012US8125753 Brownout ride-through system and method
02/28/2012US8125747 Method for mitigating negative sequence effect resulting from non-symmetrical short circuit failure of synchronous electric machine based systems
02/28/2012US8125171 Process for driving an electric machine and driver system therefor
02/23/2012WO2012022901A1 Protection system for electric transformer
02/23/2012DE102010035149A1 Sicherheitsschaltung für einen Elektromotor einer elektromechanischen Lenkung Safety circuit for an electric motor of an electromechanical steering
02/22/2012CN202150825U 一种两相步进电机控制电路 A two-phase stepper motor control circuit
02/22/2012CN202150769U 雪崩两极管型汽车发电机整流桥 Avalanche diodes cars generator rectifier bridge
02/22/2012CN202150708U 一种电池驱动开关的多模式充电装置 A battery-driven multi-mode switch charging device
02/22/2012CN202150694U 一种电池保护板以及动力电池、动力电池组 A battery protection board and battery, battery pack
02/22/2012CN202150693U 电流过载可恢复电磁调速电机控制装置 Current overload restore electromagnetic motor speed control device
02/22/2012CN202150692U 汽车玻璃升降开关和电机的保护器 Automotive glass elevator and motor protection switch
02/22/2012CN202150691U 一种用于小功率电器的电源保护电路 A small power electrical power supply protection circuit
02/22/2012CN202150690U 辅助电源的保护装置 Auxiliary power protection devices
02/22/2012CN202150689U 主动式的电源浪涌后备保护断路器 Active power surge protection circuit breaker reserve
02/22/2012CN102362230A Method and device for activating control element of drive apparatus, said control element having response delay
02/22/2012CN102361337A Charging unit, charger and charging machine
02/22/2012CN102361320A Method for protecting break variable distance based on time domain model
02/22/2012CN102361319A IGBT (Insulated Gate Bipolar Translator) short circuit protection detection circuit based on driving chip
02/22/2012CN101465771B 一种故标系统的通信方法及其应用 A communication method and its application so standard system
02/22/2012CN101297450B 用于电力分配系统的故障保护系统和方法 Fault protection system and method for power distribution system
02/21/2012US8120933 Power converter with reverse recovery avoidance
02/21/2012US8120886 Circuit breaker closing actuator and method of operation
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