Patents
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)
02/2015
02/11/2015CN104348139A 一种安全节能电源 A safe and energy-saving power
02/11/2015CN104348138A 电源系统 Power Systems
02/11/2015CN104348137A 永磁同步电机电容延时封星回路及封星方法 Permanent magnet synchronous motor capacitor delay loop closure and sealing star star methods
02/11/2015CN104348136A 一种三相电机过流保护装置 A three-phase motor overcurrent protection devices
02/11/2015CN104348135A 一种判断高压可控并联电抗器控制部分短路故障的方法 A method for judging high voltage controllable shunt reactor control methods section short circuit fault
02/11/2015CN103066820B 开关电源 Switching Power Supply
02/11/2015CN102904216B 一种电机保护装置及使用该装置的电机 A motor protection device and the device uses the motor
02/11/2015CN102810847B 一种减少空开跳闸故障的方法 An open space method to reduce fault tripping
02/11/2015CN102751878B 电子制冷型饮水机、冰吧酒柜专用的反激式开关电源 E-cooled water dispensers, ice wine bar dedicated flyback switching power supply
02/11/2015CN102646481B 超导电缆的超导导线的配置方法 Configure superconducting cables superconducting wire
02/11/2015CN102638212B 无刷直流电机驱动器 Brushless DC motor drive
02/11/2015CN102474106B 配电系统 Distribution system
02/11/2015CN102340165B 电动力汽车电源管理系统 Powered automobile power management system
02/11/2015CN102201657B 电源分配器 Power Distribution
02/11/2015CN102195276B 一种直流输电继电保护整定预备量的获取方法 An HVDC relay preliminary acquisition method setting the amount of
02/10/2015US8953296 AC pre-charge circuit
02/10/2015US8953294 Circuit arrangement with an overcurrent fuse
02/10/2015US8953287 Mobile generator and mobile generator protective device
02/10/2015US8952825 Monitoring device for an ungrounded power network of a photovoltaic system
02/10/2015US8952657 Battery protector
02/10/2015US8952565 Deflection containing electrical conductor
02/05/2015WO2015015115A1 System for managing a supply voltage of an onboard electrical network of a motor vehicle
02/05/2015WO2015014568A1 Assembly for electrical protection of a potential short-circuit path or an overload in a direct current network having a system-determined, variable source internal resistance
02/05/2015WO2014173411A4 Method for monitoring drive engines
02/05/2015DE102013214919A1 Vorrichtung und Verfahren zum Betreiben einer Antriebseinrichtung Apparatus and method for operating a drive means
02/05/2015DE102013214835A1 Überspannungsschutz für ein Mehrspannungsbordnetz Surge protection for a multi-voltage electrical system
02/05/2015DE102013012578A1 Vorrichtung zum Absichern einer elektrischen Leitung Apparatus for protecting an electric line
02/04/2015EP2833500A1 Charging protection circuit
02/04/2015EP2833499A1 DC-link capacitor protection circuit
02/04/2015EP2833498A1 Relay weld diagnostic device
02/04/2015EP2831605A1 Module unit, compound and method for monitoring a power supply network
02/04/2015CN204145360U 一种电动机控制器 A motor controller
02/04/2015CN204145346U 一种pwm风机控制及反馈电路 One kind pwm fan control and feedback circuit
02/04/2015CN204145342U 一种无刷电机的控制与驱动智能保护装置 A brushless motor control and drive intelligent protection device
02/04/2015CN204145321U 一种本质安全型电源 One kind of intrinsically safe power supply
02/04/2015CN204145081U 数字式变压器组保护装置 Digital transformer group protection device
02/04/2015CN204145079U 配电网变压器智能保护管控设备 Distribution transformers intelligent protection control equipment
02/04/2015CN204145069U 一种双电源自投不自复控制器 A dual power supply since the vote of no self-recovery Controller
02/04/2015CN204144974U 锂电池的保护及逆变系统 Lithium battery protection and inverter system
02/04/2015CN204144930U 一种输电线路的微机继电保护系统 Relay protection system of a transmission line
02/04/2015CN204144929U 一种井下低压馈电开关综合保护装置 A downhole low-voltage feeder switch integrated protection device
02/04/2015CN204144928U 一种矿用故障保护控制器 Ore with failsafe controllers
02/04/2015CN204144927U 一种三相交流接触器的保护电路 A three-phase AC contactor protection circuit
02/04/2015CN204144926U 一种电弧光保护装置 An arc flash protection device
02/04/2015CN204144925U 一种电子脱扣器的控制电路 An electronic control circuit release
02/04/2015CN204144924U 一种igbt的过流故障保护电路 One kind igbt overcurrent fault protection circuit
02/04/2015CN204144923U 一种大功率igbt温度采样保护电路 One kind of high-power igbt sampling temperature protection circuit
02/04/2015CN204144922U 电池保护电路 Battery protection circuit
02/04/2015CN204144921U 一种简便的蓄电池保护装置 A simple battery protection devices
02/04/2015CN204144920U 一种eps系统中的蓄电池保护装置 One kind of eps system battery protection devices
02/04/2015CN204144919U 多路电源监控与保护电路 Multi-channel power monitoring and protection circuits
02/04/2015CN204144918U 一种高频开关电源系统使用的直流断路器 A high-frequency switching power supply system using a DC circuit breaker
02/04/2015CN204144917U 一种过压保护电路 One kind of overvoltage protection circuit
02/04/2015CN204144916U 一种用于智能车载功率装置的短路保护电路 An intelligent vehicle power short-circuit protection device
02/04/2015CN204144915U 同步无刷励磁电动机整流二极管监测报警系统 Brushless excitation synchronous motor rectifier diode monitoring and alarm systems
02/04/2015CN204144914U 一种连键式电动机保护装置盒盖 One kind of bond-type motor protection device cover
02/04/2015CN204144913U 电力系统中的电流互感器开路保护装置 Power system protection devices open circuit current transformer
02/04/2015CN204144912U 一种高压电站验电告警闭锁系统 One kind of high-voltage electrical inspection station alarm locking system
02/04/2015CN204144911U 阀厅红外测温机器人保护装置 Valve hall robot infrared temperature protection device
02/04/2015CN104333137A 一种超高压保护多功能一体化装置 EHV protection in-one device
02/04/2015CN104333071A 一种移动电源控制系统 A mobile power control system
02/04/2015CN104333039A 串联型微型逆变器系统及其中逆变器、并网器的工作方法 Tandem-type micro-inverter system and the inverter, and the working methods of the network's
02/04/2015CN104333033A 一种配电系统和配电方法 An electrical distribution system and distribution methods
02/04/2015CN104333007A 一种基于主从结构的无功电压控制器 A master-slave structure of reactive power and voltage control based on
02/04/2015CN104332975A 网络型矿用高开综合保护测控装置 Integrated protection and control devices, opening network Mine
02/04/2015CN104332974A 考虑电网调度员实际操作特性的连锁故障模型 Dispatcher consider practical features cascading failure model
02/04/2015CN104332973A 利用故障有功功率实现线路相间短路故障继电保护方法 The use of active fault line method to achieve phase short circuit fault protection
02/04/2015CN104332972A 适用于单一线路跳闸电网线路广域后备保护方法 For a single line trip grid line WAN backup protection methods
02/04/2015CN104332971A 适应双重线路跳闸的电网线路广域后备保护方法 Accommodate dual WAN line trip grid line backup protection methods
02/04/2015CN104332970A 一种采用gps对时的纵联保护调试方法 A pilot protection debugging method using gps on time
02/04/2015CN104332969A 一种级联开闭所联络线继电保护方法 Cascaded opening and closing of the contact line protection method
02/04/2015CN104332968A 基于高压直流输电线路的电流差动保护方法 Based on current differential protection method HVDC lines
02/04/2015CN104332967A 一种距离保护iii段故障开放判断方法 A distance protection iii segmentation fault open judging method
02/04/2015CN104332966A 一种基于二维平面的距离保护分析方法 Based on the two-dimensional plane distance protection analysis
02/04/2015CN104332965A 一种确定单相接地故障识别高限系数的方法 A single-phase ground fault identification method to determine the upper limit of the coefficient
02/04/2015CN104332964A 基于直接温度检测的插拔式断路器过热保护装置 Temperature detection based on direct plug-in overheat protection circuit breaker
02/04/2015CN104332963A 真空断路器操作过电压的防范方法 Vacuum Circuit Breaker Operation Over Voltage prevention methods
02/04/2015CN104332962A 变电站生成智能化母差保护和相应智能化间隔保护的方法 The method generates intelligent substation bus differential protection and intelligent interval corresponding protection
02/04/2015CN104332961A 开关分合闸线圈防烧保护装置 Switch closing coil anti-burn protection device
02/04/2015CN104332960A 一种智能弧光保护系统 An intelligent arc protection system
02/04/2015CN104332959A 过电流保护装置 Overcurrent protection devices
02/04/2015CN104332958A 一种过压保护电路及方法 A circuit and method for overvoltage protection
02/04/2015CN104332957A 一种电动执行器力矩保护装置 An electric actuator torque protection device
02/04/2015CN104332956A 基于物联网的电机故障监测保护装置 Motor fault monitoring and protection devices based on things
02/04/2015CN104332955A 基于太阳能的电机故障监测保护装置 Motor fault monitoring and protection devices based on solar energy
02/04/2015CN104332954A 用于对电机进行热保护及功率调节的电路 For motor thermal protection and power conditioning circuitry
02/04/2015CN104332953A 一种基于波形对称的励磁涌流组合闭锁方法 Based on a combination lock inrush current waveform symmetry
02/04/2015CN104332952A 一种变压器用配电系统 A transformer with a power distribution system
02/04/2015CN104332951A 电流互感器二次侧开路保护系统 Current transformer secondary open circuit protection system
02/04/2015CN104332950A 基于离散元件的串联电池组电极断裂保护电路 Based on series battery protection circuit electrode breakage discrete elements
02/04/2015CN103208783B 一种谐波环境下电力电容器组的过电压保护方法 Under a harmonic environment power capacitor bank overvoltage protection methods
02/04/2015CN103094942B 一种恒压限流充电电路及灯具 One kind of constant current limiting charging circuit and lighting
02/04/2015CN103078304B 一种用于煤矿的配电网保护方法 A coal distribution network protection method for
02/04/2015CN102801138B 一种led过电流保护电路及灯具 One kind of led lighting circuit and over-current protection
02/04/2015CN102790574B 一种危险品运输车辆用发电机的控制电路 Dangerous goods transport vehicles with a control circuit of the generator
02/04/2015CN102684154B 保护继电器 Protection Relays
02/03/2015US8947852 Integrated EMI filter and surge protection component
02/03/2015US8947843 Fast breaker failure detection for HVDC circuit breakers
02/03/2015US8947838 Overcurrent fault detection device for electrical drive control system
02/03/2015US8947837 Overcurrent protection and fault isolation
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