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)
12/2011
12/28/2011	CN102297148A 一种延长风扇直流碳刷电机寿命的风扇控制电路 One kind of brushless DC fan motor to extend the life of the fan control circuit
12/28/2011	CN101996763B 调频电动机保护用电流互感器 FM motor protection current transformer
12/28/2011	CN101846716B 一种快速捕捉电网故障启动点的方法 A fast start to capture the power failure point method
12/28/2011	CN101789588B 一种电力系统线路保护振荡中三相故障开放判定方法 An electric power system oscillation circuit protection method for determining the three-phase fault open
12/28/2011	CN101714756B 一种基于等效负序阻抗的分布式电源孤岛保护方法 An equivalent negative sequence impedance method based on distributed power islanding protection
12/28/2011	CN101699684B 地刷电机堵转的控制保护电路 Brush control and protection circuit Stall
12/28/2011	CN101690922B 小型电动喷雾机控制装置 Small electric sprayer control device
12/28/2011	CN101645684B 高频振动电机变频调速支路控制装置 High frequency vibration motor inverter control device branch
12/28/2011	CN101630836B 双母线接线中的母线保护支路运行方式纠错方法 Double bus connection in busbar protection branch operation mode error correction method
12/28/2011	CN101242136B 三电平集成门极换向晶闸管电压源变频器桥臂直通保护器 Three-level integrated gate commutated thyristor voltage source inverter bridge arm straight protector
12/27/2011	US8085515 Electric power source for motor vehicle
12/27/2011	US8085514 Modular on-machine controller
12/27/2011	US8084981 Rechargeable electric power tool
12/27/2011	US8084980 HVAC actuator with internal heating
12/27/2011	US8084973 Motor driving circuit
12/27/2011	US8084895 Safety device for electrical distribution boards
12/22/2011	WO2011157472A1 Circuit arrangement for determining a voltage fluctuation of conductor potentials in an unearthed electrical network
12/22/2011	WO2011157470A1 Circuit arrangement for determining a voltage fluctuation of conductor potentials in an unearthed electrical network
12/22/2011	WO2011157469A1 Circuit arrangement for determining a voltage fluctuation of conductor potentials in an unearthed electrical network
12/22/2011	WO2011157306A1 Breaker failure protection of hvdc circuit breakers
12/22/2011	WO2011157305A1 Fault protection of hvdc transmission lines
12/22/2011	US20110310645 Semiconductor device and snubber device
12/22/2011	US20110310644 Power Conversion Device
12/22/2011	DE102010030353A1 Device for monitoring and controlling cells of lithium ion accumulator for e.g. electric vehicle, has electrical insulation module, central control unit and cell monitors that are monolithically integrated in semiconductor component
12/21/2011	EP2396864A1 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same
12/21/2011	CN202085120U 永磁直流无刷电机控制器总成 Permanent magnet brushless DC motor controller assembly
12/21/2011	CN202085089U 纯正弦波逆变器 Pure sine wave inverter
12/21/2011	CN202084999U Adaptive networking and point-to-point digital transformer protection remote control device
12/21/2011	CN202084974U 一种充电完成后能自动停充并及时报警的手机电池充电器 The latter charge is completed automatically stop charging and timely warning of mobile phone battery charger
12/21/2011	CN202084962U 一种车载电源控制装置 A vehicle power control device
12/21/2011	CN202084950U 一种检测微电网系统发生孤岛的装置 Islanding detection device a micro-grid system occurred
12/21/2011	CN202084918U 电器设备监测系统 Electrical equipment monitoring system
12/21/2011	CN202084917U In-situ feeder automation device
12/21/2011	CN202084916U 接地故障保护型电子式脱扣器 Ground fault protection type electronic trip unit
12/21/2011	CN202084915U 矿井低压供电系统选择性漏电保护装置 Mine Low Voltage Power System selective leakage protection device
12/21/2011	CN202084914U 一种矿井低压供电系统的选择性短路保护装置 Selective short-circuit protection device for mine low voltage power supply systems
12/21/2011	CN202084913U 直流电源系统中电池过放自动切换装置 DC power systems battery discharge automatic switching devices
12/21/2011	CN202084912U 一种蓄电池继电保护装置 A battery protection devices
12/21/2011	CN202084911U 一种led驱动电源的过流保护装置 A drive power led overcurrent protection devices
12/21/2011	CN202084910U 一种可过热保护的高压变频装置 One kind of high voltage inverter can overheat protection device
12/21/2011	CN202084909U 一种可缺相保护的高压变频装置 May lack a high voltage inverter with protection
12/21/2011	CN202084908U 大规模接触器群降低故障的电路 Reduce the failure of large-scale group contactor circuit
12/21/2011	CN202084907U 双电源保护控制装置 Dual power protection and control devices
12/21/2011	CN202084906U Superconducting coil quench detection output interface in fusion apparatus
12/21/2011	CN102292894A 用于配电系统的馈电线自动化 Feeders for distribution system automation
12/21/2011	CN102291876A 一种发光二极管的开路保护器 A light-emitting diode circuit protection device
12/21/2011	CN102291082A 电力变换装置 Power conversion means
12/21/2011	CN102291027A 一种逆变器 An inverter
12/21/2011	CN102290988A 大容量多重化dc-dc电源 Large-capacity multiplex dc-dc power supply
12/21/2011	CN102290860A 配电变压器低压相线接地远方报警器 Low-voltage distribution transformers with remote alarm wire grounded
12/21/2011	CN102290803A 微电网继电保护方法及装置 Microgrid protection method and device
12/21/2011	CN102290802A 基于同步旋转坐标系下的主动频率偏移孤岛检测方法 Offset islanding detection method based on active frequency synchronous rotating coordinate system
12/21/2011	CN102290801A 一种配电终端实现故障隔离的方法和装置 A method and apparatus for fault isolation of the distribution terminal
12/21/2011	CN102290800A 一种继电保护定值的校核方法 A method of checking relay setpoint
12/21/2011	CN102290799A 一种开环运行配电网小规模快速供电恢复方法 An open-loop operation Fast power distribution network of small-scale recovery methods
12/21/2011	CN102290798A 一种基于配电网接线方式的快速供电恢复规则 A power distribution network to quickly restore the rule-based wiring
12/21/2011	CN102290797A 一种智能配电安全控制系统 An intelligent power distribution control system security
12/21/2011	CN102290796A 配电综合测控装置 Distribution integrated monitoring and control devices
12/21/2011	CN102290795A 一种保护完善的igbt驱动器 A protective perfect igbt drive
12/21/2011	CN102290794A 多个电池单元串联的电池保护电路及系统 Battery protection circuit and system having a plurality of battery cells connected in series
12/21/2011	CN102290793A 用于关断具有分散的能量存储器的整流器的方法 Shutdown rectifier having an energy dispersion method for a memory
12/21/2011	CN102290792A 防止二次变流器输入接错的保护装置及弧焊电源装置 Prevent secondary converter connected to the wrong input protection devices and welding power supply unit
12/21/2011	CN102290791A 一种接触器分断能力保护的方法 Is a contact-breaking ability to protect methods
12/21/2011	CN102290790A 一种无刷直流电机的故障检测与保护电路 A brushless DC motor fault detection and protection circuitry
12/21/2011	CN102290789A 一种电气多余度无刷直流电机故障保护装置 An electrical extra degree brushless DC motor fault protection device
12/21/2011	CN102290788A 一种潜水泵电动机的测量保护装置 Protection device measuring a submersible pump motor
12/21/2011	CN102290787A 带温度测量的微机电动机保护监控装置 Computer motor protection with temperature measurement monitoring device
12/21/2011	CN102290786A 配电变压器温度监控智能装置 Distribution transformer intelligent temperature monitoring device
12/21/2011	CN102290785A 简易型过流保护机床控制变压器 Simple tool control transformer overcurrent protection
12/21/2011	CN102290613A Battery protector for battery electric vehicle
12/21/2011	CN102288857A 一种故障电弧的辨识检测方法及其检测保护装置 Identification and detection methods to detect an arc fault protection device
12/21/2011	CN101697410B 一种电池充电器电路中采用的短路保护电路 A battery charger short-circuit protection circuit employed
12/21/2011	CN101567475B 基于电流分段检测技术的锂电池/电池组计量和保护的电路 Segmentation based on the current detection technology lithium battery / battery metering and protection circuitry
12/21/2011	CN101459333B 背光开路保护电路 Backlit open circuit protection circuit
12/21/2011	CA2742429A1 System and method for control of power distribution networks
12/20/2011	US8081407 Compact disconnector circuit-breaker for an alternator
12/20/2011	US8080962 Motorised barrier roller
12/20/2011	CA2464187C Controlled torque drive for a barrier operator
12/20/2011	CA2429430C Ballast with lamp-to-earth-ground fault protection circuit
12/18/2011	CA2743370A1 A self-healing power grid and method thereof
12/15/2011	DE102010030078A1 Verfahren zum Sperren eines Stromrichters mit verteilten Energiespeichern How to disable a converter with distributed energy stores
12/14/2011	EP2395621A1 Thermal compensation control for a motor starter
12/14/2011	DE202011107166U1 Steuerung zum Überwachen und Abschalten von Photovoltaik-Modulen Control for monitoring and disconnection of PV modules
12/14/2011	CN202076933U 具有短路保护功能的智能电表辅助电源 Smart meters with short circuit protection function auxiliary power
12/14/2011	CN202076865U 一种风扇用的直流电机 One kind of fan with DC motor
12/14/2011	CN202076831U 车载dvr数据保护装置 Car dvr data protection
12/14/2011	CN202076828U 一种可选择容量的自适应蓄电池充电装置 An alternative adaptive capacity battery charging apparatus
12/14/2011	CN202076827U 低压配电柜 Low-voltage distribution cabinet
12/14/2011	CN202076812U 串放并充的二次动力电池组 String and put the charge of the secondary battery pack
12/14/2011	CN202076795U 一种新型tfds控制箱 A new control box tfds
12/14/2011	CN202076791U 大通流电源模块浪涌保护器 Chase flow surge protector power module
12/14/2011	CN202076784U Protective system for collecting line of wind power plant
12/14/2011	CN202076783U 一种组串式光伏微逆变器孤岛检测装置 One kind of string PV micro-inverter islanding detection device
12/14/2011	CN202076782U 带独立计量模块的监控保护器 Monitoring protection with independent metering module
12/14/2011	CN202076781U 带温度监测的保护器 With temperature monitoring protection
12/14/2011	CN202076780U 自适应防雷防浪涌控制电路 Lightning Surge adaptive control circuit
12/14/2011	CN202076779U 一种马达控制器 A motor controller
12/14/2011	CN202076778U 电机保护用智能交流接触器系统 Motor protection system with intelligent AC contactor
12/14/2011	CN202076777U 风机综合控制保护器 Fan integrated control protection
12/14/2011	CN202076776U 镍氢电池多功能充放电保护电路 NiMH battery charge and discharge protection circuit Multifunction

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