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) |
---|
07/08/2014 | US8773058 Rotor temperature estimation and motor control torque limiting for vector-controlled AC induction motors |
07/08/2014 | US8773048 Fan control system and air conditioner that includes the same |
07/08/2014 | CA2723142C Fault detection for battery chargers |
07/03/2014 | WO2014105737A1 Nonvolatile thermal memory method and apparatus for electronic overload relay |
07/03/2014 | WO2014102445A1 Overvoltage protection element monitoring |
07/03/2014 | US20140185166 Methods and Systems for Monitoring Excitation of a Generator Based on a Faulty Status of a Generator Breaker |
07/03/2014 | US20140185165 Superconducting coil system and methods of assembling the same |
07/03/2014 | US20140184664 Power Supplying Apparatus And Display Apparatus Including The Same |
07/03/2014 | DE102013102312B3 Operating circuit for operating light-emitting module at power source, has protective circuit that is switched only into conductive state by control signal, if applied voltage on current limiting circuit exceeds threshold level |
07/02/2014 | EP2750258A2 Methods for locating ground faults and insulation degradation condition in energy conversion systems |
07/02/2014 | EP2748906A1 Short-circuit current discharge for a sub-module of a modular multi-stage converter (mmc) |
07/02/2014 | CN203691335U 一种应用防雨防尘装置的保护太阳能蓄电池装置 Solar battery protection device for device applications rain and dust |
07/02/2014 | CN203691223U 逆变模块主动驱动保护装置 Inverter module active driver protection device |
07/02/2014 | CN203691170U 带有防热、过载装置的电动机 Motor with thermal protection, overload device |
07/02/2014 | CN203690968U 电池、具有该电池的飞行器 Battery, the battery vehicle having |
07/02/2014 | CN203690906U 一种光子差动保护装置 One kind of photon differential protection device |
07/02/2014 | CN203690905U 一种用于接地光伏发电系统的绝缘监测系统 Insulation monitoring system for grounding PV system |
07/02/2014 | CN203690904U 一种自保护在线式直流输出电路 A self-protection on-line DC output circuit |
07/02/2014 | CN203690903U 电池欠压保护电路 Battery voltage protection circuit |
07/02/2014 | CN203690902U 一种电池管理系统中的实时软硬件两级过流保护装置 A battery management system, real-time software and hardware two overcurrent protection devices |
07/02/2014 | CN203690901U 一种用于镍氢电池的恒流放电检测装置 Constant discharge detection device for NiMH batteries |
07/02/2014 | CN203690900U 锂电池过流保护电路 Lithium battery overcurrent protection circuit |
07/02/2014 | CN203690899U 采用总压控制的磷酸铁锂启动电池过充保护装置 Total pressure control using lithium iron phosphate battery overcharge protection device startup |
07/02/2014 | CN203690898U 水泵 Pump |
07/02/2014 | CN203690897U 一种带涌流抑制及断路器监控的电容器组保护装置 A capacitor bank protection and surge suppression circuit breaker monitoring band |
07/02/2014 | CN203690896U 一种变压器降压的直流电源输出短路保护电路 DC power output short circuit protection A transformer buck |
07/02/2014 | CN203690895U 一种dc-dc升压短路保护电路 One kind of dc-dc boost short-circuit protection |
07/02/2014 | CN203690894U 电机过热保护装置 Motor overheating protection device |
07/02/2014 | CN203690893U 设有双重保护的串励电机及其定子组件 Offers dual protection series motors and a stator assembly |
07/02/2014 | CN203690892U 一种防变压器低压出口短路自动保护及报警装置 A low-pressure outlet transformer short circuit protection and automatic alarm device anti- |
07/02/2014 | CN203690891U 高压变压器保护装置及电子设备 High voltage transformer protection device and electronic equipment |
07/02/2014 | CN203690886U 带漏电保护的可再生能源转换系统 With leakage protection, renewable energy conversion systems |
07/02/2014 | CN203690442U 智能蓄电池体 Smart battery body |
07/02/2014 | CN203688681U 智能电网质量分析与保护系统 Smart grid quality analysis and protection systems |
07/02/2014 | CN103905177A 一种应用于广域保护的采样值传输系统及传输方法 Applied to protect the samples WAN transmission system and transmission method |
07/02/2014 | CN103904954A 一种远程网控的电动机控制系统及其控制方法 A long-range network control of a motor control system and control method |
07/02/2014 | CN103904914A 电源装置及其缺n线保护电路 Power supply unit and the lack of n line protection circuit |
07/02/2014 | CN103904872A 一种离线式电源转换电路及方法 An offline power conversion circuit and method |
07/02/2014 | CN103904871A 高频加热电源开关管保护电路的控制方法 The control method of high frequency heating power switch protection circuit |
07/02/2014 | CN103904732A 手机充电保护器 Phone charging protection |
07/02/2014 | CN103904626A 一种环网柜供电的配电网故障自动判断及控制方法 Distribution Network Fault an RMU powered automatically determine and control methods |
07/02/2014 | CN103904625A 一种分支线的保护动作方法 Protection operation method of a branch line |
07/02/2014 | CN103904624A 一种基于继电保护系统隐藏故障的电网Nk分析方法 A protection system hidden failures Nk analysis method based on grid |
07/02/2014 | CN103904623A 一种适用于单回线串接双回输电线路距离保护定值灵敏度校核方法 One for single-loop cascade double-circuit transmission line distance protection setting checking method sensitivity |
07/02/2014 | CN103904622A Igbt过流保护电路 Igbt overcurrent protection circuit |
07/02/2014 | CN103904621A 具有自恢复功能的限流保护与短路保护电路 Current limit protection and short circuit protection with self-recovery capabilities |
07/02/2014 | CN103904620A 一种直流电源输入防反灌电路及方法 A DC power input the anti-anti irrigation circuit and method |
07/02/2014 | CN103904619A 一种开关dc-dc电源输出过压保护电路 A switching dc-dc power output overvoltage protection circuit |
07/02/2014 | CN103904618A 电机保护器及其编程和操作方法 Motor protection and its programming and operations |
07/02/2014 | CN103904617A 发电机励磁绕组保护装置 Generator field winding protection device |
07/02/2014 | CN103901325A 一种混合动力车辆的绝缘监测装置 Insulation monitoring device for a hybrid vehicle |
07/02/2014 | CN102948257B 用于照明元件测试的故障保护电流源 Current source for lighting element fault protection test |
07/02/2014 | CN102761161B 移动电源 Mobile Power |
07/02/2014 | CN102623968B 基于特征谐波的高压直流输电线路保护方法及其系统 Feature-based harmonic HVDC transmission line protection method and system |
07/02/2014 | CN102590698B 一种电压扰动闭锁选线的小电流接地选线装置及其控制方法 A voltage disturbance lockout small current grounding line selection line apparatus and control method |
07/02/2014 | CN102545198B 一种共正极结构的太阳能充电控制器的防反接保护电路 A total solar charge controller cathode structure of anti-reverse protection circuit |
07/02/2014 | CN102457049B 电源转换控制器及发光二极管驱动电路 Power conversion controllers and LED driver circuit |
07/02/2014 | CN102449870B 网状高压直流输电网络中的电力潮流控制 Mesh networks HVDC power flow control |
07/02/2014 | CN102437550B 基于串行总线技术的微机继电保护装置 Microprocessor-based relay protection device serial bus technology |
07/02/2014 | CN102195555B 伺服系统及其控制方法、伺服电机驱动装置以及安全单元 The servo system and control method, the servo motor driving device and the security unit |
07/02/2014 | CN101834553B 无传感器交流电动机的控制装置 Sensorless AC motor control unit of |
07/02/2014 | CN101789754B 双向输入恒向输出的电马达驱动系统 Bidirectional input rhumb electric motor drive system output |
07/02/2014 | CN101789753B 电马达双向输入不同速比双向驱动装置 Bi-directional electric motor drive unit to enter a different ratio bi |
07/02/2014 | CN101527448B 一种电池保护电路的测试装置及方法 A test device and method for a battery protection circuit |
07/02/2014 | CN101207294B 电池预充电电路 Battery precharge circuit |
07/01/2014 | US8767423 Method and apparatus for varying current limit to limit an output power of a power supply |
07/01/2014 | US8767422 Interface arrangement between AC and DC systems using grounding switch |
07/01/2014 | US8767365 Protection circuit |
07/01/2014 | US8766582 Trash can with power operated lid |
07/01/2014 | US8766576 Fault detection method for electric motors with one or several star points |
07/01/2014 | US8766481 Reduction of inrush current due to voltage sags with switch and shunt resistance |
06/26/2014 | WO2014095168A1 Electrical apparatus including chain-link converter and protection circuit |
06/26/2014 | US20140180611 Nonvolatile Thermal Memory Method And Apparatus For Electronic Overload Relay |
06/26/2014 | US20140177737 System and method for monitoring an electrical device |
06/26/2014 | US20140177183 Supporting apparatus and display device having the supporting apparatus |
06/26/2014 | US20140177108 Power system having short circuit protection controller |
06/26/2014 | US20140177107 Overload and short-circuit sensing circuit and converter protecting circuit and method |
06/26/2014 | US20140175181 Monitoring and recoverable protection of thermostat switching circuitry |
06/26/2014 | DE102013020897A1 Sicherheitsschaltung und Notstromversorgung für eine Gate-Steuerschaltung Security and emergency power supply circuit for a gate control circuit |
06/26/2014 | DE102012224002A1 Drive unit for driving drive axle of locomotive, has contactor unit comprising separation units that comprise agents for separation of phase of interconnection, where agents are decoupled from each other with respect to operating process |
06/26/2014 | DE102012025393A1 Elektrogerät in Gestalt einer Hand-Werkzeugmaschine oder eines Sauggeräts Electric device in the shape of a hand machine tool or a suction device |
06/25/2014 | EP2747271A1 Device for protection against an electrical overcurrent of at least one electronic switching branch, conversion system comprising such a protection device, and related control method |
06/25/2014 | EP2747267A1 Electrical apparatus including chain-link converter and protection circuit |
06/25/2014 | EP2747232A1 Method and arrangement for triggering a series spark gap |
06/25/2014 | EP2747231A1 Hardware-based, redundant overvoltage protection |
06/25/2014 | EP2747229A1 Method for predicting and detecting current transformer saturation under sympathetic inrush |
06/25/2014 | EP2745394A2 Operating state circuit for an inverter and method for adjusting operating states of an inverter |
06/25/2014 | EP2745367A2 A method of distance protection of parallel transmission line |
06/25/2014 | CN203675020U 干手器用无位置传感器无刷电机控制器 Used dry hands Brushless motor controller |
06/25/2014 | CN203674906U 具有熔断报警装置的电动机 Alarm device has blown motor |
06/25/2014 | CN203674809U 一种光伏发电用箱变测控装置 A photovoltaic power generation box changes and Monitoring Equipment |
06/25/2014 | CN203674777U 一种便携式太阳能笔记本移动电源 A portable solar laptop mobile power |
06/25/2014 | CN203674769U 一种家庭储能系统自恢复放电电路 A home energy storage system since the resumption of the discharge circuit |
06/25/2014 | CN203674746U 一种具有mppt功能的便携式太阳能移动电源 Portable solar mobile power source with mppt function |
06/25/2014 | CN203674745U 一种带有最大功率跟踪功能的太阳能充电电源 Solar MPPT function with a charging power supply |
06/25/2014 | CN203674730U 一种分布式光伏电站与380v用户配电箱的并网接入结构 A distributed PV power plant with a 380v power distribution box and network access structure |
06/25/2014 | CN203674702U 一种配电线路短路故障隔离系统 An electrical distribution line short-circuit fault isolation system |
06/25/2014 | CN203674701U 一种馈线自动化装置 One kind of feeder automation devices |
06/25/2014 | CN203674700U 光电式电弧光保护系统 Photoelectric arc protection system |
06/25/2014 | CN203674699U 防止铅酸蓄电池过量放电保护装置 Lead-acid batteries to prevent excess discharge protection device |