| 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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| 05/02/2012 | CN102437551A Over-current protection device for transformer and electric locomotive |
| 05/02/2012 | CN102437550A Microcomputer relay protection device based on serial bus technology |
| 05/02/2012 | CN102437549A Two-bus short-circuit protective isolation device and method |
| 05/02/2012 | CN102437545A Reclosing remote putting on/off relay |
| 05/02/2012 | CN102436766A Simulation training system of relay protection in subway OCC power dispatching and method thereof |
| 05/02/2012 | CN102435813A Method for collecting current on low-voltage side of electric furnace transformer and relay protection device |
| 05/02/2012 | CN101800419B Implementation method of single-phase adaptive reclosure |
| 05/02/2012 | CN101795108B Excitation control system for giant machine set |
| 05/02/2012 | CN101540499B Fast line selection tripping device for medium resistance grounding for urban distribution network and line selection method |
| 05/02/2012 | CN101267126B Protection method, control circuit, and battery unit |
| 05/01/2012 | US8169756 Fault current limiting |
| 05/01/2012 | US8169755 Power supply system |
| 05/01/2012 | CA2636779C Generating system with a regulated permanent magnet machine |
| 04/26/2012 | US20120099351 Electronic apparatus |
| 04/26/2012 | US20120098475 Motor driving apparatus |
| 04/26/2012 | US20120097783 Communications spooler for a mobile robot |
| 04/26/2012 | DE102005024346B4 Sicherungselement mit Auslöseunterstützung Fuse element with push support |
| 04/25/2012 | EP2444628A1 Electric supercharger |
| 04/25/2012 | CN202206336U Pta生产装置中空气冷却装置的电气控制系统 Pta production plant electrical control system of air cooling device |
| 04/25/2012 | CN202206296U 一种开关电源 A switching power supply |
| 04/25/2012 | CN202206161U 一种灾害地质监测仪器专用的智能蓄电池管理器 One kind of geological disaster monitoring instruments dedicated smart battery manager |
| 04/25/2012 | CN202206129U 一种无源型配电线路保护装置 A passive-type distribution line protection device |
| 04/25/2012 | CN202206128U Digital display-type multifunctional electricity safety protector |
| 04/25/2012 | CN202206127U Micro grid relay protective apparatus |
| 04/25/2012 | CN202206126U 一种矿用高压真空配电保护装置 Ore protection devices with high-pressure vacuum distribution |
| 04/25/2012 | CN202206125U 配网系统保护装置故障后带电处理用便携式保护装置 Distribution network system protection device failure after treatment with a portable charging protection device |
| 04/25/2012 | CN202206124U 一种采用简单实用的输入欠压保护电路的电源 One kind of simple and practical input undervoltage protection circuit supply |
| 04/25/2012 | CN202206123U 用于轧机的全自动液压控制系统 Automatic hydraulic control systems for rolling mills |
| 04/25/2012 | CN202206122U 安检设备的电机热保护模块 Motor thermal protection module security equipment |
| 04/25/2012 | CN202206121U Protective device for 500KV/10KV station-use transformer |
| 04/25/2012 | CN202206120U Transformer wiring structure for 500kV/10kV station |
| 04/25/2012 | CN202206119U Protection circuit for intelligent dynamic reactive power compensation device |
| 04/25/2012 | CN202206118U 一种电流互感二次过电压保护装置 A current mutual inductance secondary overvoltage protection device |
| 04/25/2012 | CN1980024B Switching regulator and method for soft start of switching regulator |
| 04/25/2012 | CN1917321B 热保护电路、功率传输集成电路及功率传输方法 Thermal protection circuits, power transmission circuits and power transmission method |
| 04/25/2012 | CN102428635A 用于对逆变器装置的输出端的滤波电容器进行放电的方法和逆变器装置 Method and apparatus for the inverter output of the inverter device to discharge the filter capacitor |
| 04/25/2012 | CN102427274A Method for acquiring real-time states of power grid element |
| 04/25/2012 | CN102427264A 太阳能电源控制器的设计方法 Solar power controller design method |
| 04/25/2012 | CN102427224A 输电线路重合闸时刻在线捕捉方法 Transmission line reclosing time online capture method |
| 04/25/2012 | CN102427223A 一种采用零序电压和电流判别闭锁的方法 One kind of zero-sequence voltage and current discrimination blocking methods |
| 04/25/2012 | CN102427222A 继电保护定值的校核处理方法 Check processing methods relay setpoint |
| 04/25/2012 | CN102427221A 一种igbt驱动综合保护封锁电路 One kind igbt driver integrated circuit protection blockade |
| 04/25/2012 | CN102427220A High-voltage inversion protection circuit |
| 04/25/2012 | CN102427219A Short circuit protection system and safe closing control method of three-level converter power tube |
| 04/25/2012 | CN102427218A 基于人工智能技术的变压器短期过载能力评估系统 Short-term overload capacity evaluation system based on artificial intelligence technology transformer |
| 04/25/2012 | CN101841446B 纵联通道传输装置、光纤差动保护装置及方法 Longitudinal Unicom channel transmission device, optical fiber differential protection device and method |
| 04/25/2012 | CN101741070B 基于两端电流量电压量的线路纵联保护方法 Line Pilot protection method based on the amount of voltage at both ends of the amount of current |
| 04/25/2012 | CN101707357B 直流供电系统中利用交流电气量进行印证的直流保护方法 DC-DC power system protection methods utilizing AC electrical quantities were confirmed in |
| 04/25/2012 | CN101697468B 低压bldc电动机驱动集成电路 Low Voltage bldc motor driver IC |
| 04/25/2012 | CN101662143B 一种防止在电流消失时误动的差动保护方法 A differential protection method when the current stops to prevent malfunction |
| 04/25/2012 | CN101651294B Integral control system of distribution transformer |
| 04/25/2012 | CN101645597B Online detection system of switchgear |
| 04/25/2012 | CN101478150B Intelligent diagnosis method and apparatus for power transmission and distribution line state |
| 04/25/2012 | CN101425685B 用于链接备用供电方式的内桥接线及保护实现方法 Internal bridge connection is used to link the standby power supply and the protection of realization |
| 04/25/2012 | CN101379671B 协同式故障保护系统 Collaborative Fault Protection System |
| 04/25/2012 | CN101335449B 电源保护装置及电子控制装置 Power protection device and electronic control devices |
| 04/25/2012 | CN101304227B 铠装隔爆型开关变压器式软起动装置 Armored flameproof switch transformer soft starter |
| 04/24/2012 | US8164931 Rectifier circuit with a voltage sensor |
| 04/24/2012 | US8164927 Switch control device and switch control method |
| 04/24/2012 | US8164867 Method for protection of energy storage source, and in particular motor vehicle battery |
| 04/24/2012 | US8164866 Identification and protection of an aerospace AC-DC power system in the presence of DC content due to faulty loads |
| 04/24/2012 | US8164865 System and method for quickly discharging a DC relay |
| 04/24/2012 | US8164389 Overdrive protection circuit |
| 04/24/2012 | US8164311 Control device for electric rotating machine |
| 04/19/2012 | WO2012050207A1 Electricity storage system |
| 04/19/2012 | WO2012049116A1 Circuit assembly for operating an electric load, control device for controlling a drive motor of a household appliance, household appliance and method for operating an electric load in a household appliance |
| 04/19/2012 | WO2012049109A1 Method for operating a household appliance having a semiconductor switch and a control unit for functionally testing the electric semiconductor switch, and household appliance |
| 04/19/2012 | WO2011038987A3 Deactivation device for separating an electrical energy source from a load and circuit system having a deactivation device |
| 04/19/2012 | US20120092907 Power supply and system |
| 04/19/2012 | US20120092797 Overload relay |
| 04/19/2012 | US20120091937 Control circuit for fan |
| 04/19/2012 | DE102011054582A1 Device for controlling battery system of vehicle, has variable adjustment unit for adjusting target charging amount based on state variable that stands in relation with regenerative charging condition and/or unloading state of battery |
| 04/19/2012 | DE102011050092A1 Motortreibvorrichtung und dieselbe verwendendes elektrisches Servolenksystem Motor driving apparatus and the same-use electric power steering system |
| 04/19/2012 | DE102010042609A1 Method for providing arrangement for distribution of electrical power with two power switches in alternating current distribution plant, involves realizing opening of upstream switch release unit when threshold values are exceeded |
| 04/19/2012 | DE102010042569A1 Verfahren für ein Stromverteilungssytem mit zwei selektiv auslösenden Schaltern Method for selectively triggering Stromverteilungssytem with two switches |
| 04/19/2012 | DE102010042522A1 Method for operating e.g. permanent-magnet synchronous motor for power steering of motor car, involves setting pulse pattern to electric motor for producing flow of current, which is higher than rated current of electric motor |
| 04/19/2012 | DE102010042494A1 Method for shutdown of discharge pump of washing machine, involves determining parameter that is correlated with rotational torque of motor to shutdown motor when predetermined criterion is met in relation to parameter |
| 04/19/2012 | DE102010042490A1 Schaltungsanordnung zum Betreiben einer elektrischen Last, Steuervorrichtung zur Ansteuerung eines Antriebsmotors eins Hausgeräts, Hausgerät und Verfahren zum Betreiben einer elektrischen Last in einem Hausgerät Circuit arrangement for operating an electrical load control device for controlling a drive motor of one household appliance, home appliance and method for operating an electrical load in a domestic appliance |
| 04/19/2012 | DE102004028990B4 Verfahren für die automatische Anpassung eines Reglers an eine Last A method for automatic adjustment of a regulator to a load |
| 04/18/2012 | EP2442462A2 Method and apparatus for supplying power to a connection device |
| 04/18/2012 | EP2442418A2 Method for power distribution system with two selective triggering switches |
| 04/18/2012 | EP2441146A1 Protection lockout in substation automation |
| 04/18/2012 | CN202197223U 基于正弦调制波的单相逆变变频电源 Based on single-phase inverter power inverter sinusoidal modulation wave |
| 04/18/2012 | CN202197222U 电压变换器 Voltage converter |
| 04/18/2012 | CN202197135U 一种充满电后自动断电的智能充电器 After a full charge auto power smart charger |
| 04/18/2012 | CN202197092U 分界开关控制器 Boundary switch controller |
| 04/18/2012 | CN202197091U Digital motor comprehensive protector |
| 04/18/2012 | CN202197090U 一种隔爆型照明智能综合保护装置 One kind of explosion-proof lighting intelligent integrated protection device |
| 04/18/2012 | CN1996693B 故障控制电路及其方法 Fault control circuit and method |
| 04/18/2012 | CN1866657B 电涌放电器 Surge arresters |
| 04/18/2012 | CN102422501A 修改电压转换设备的配置的方法和用于电压转换设备的电压转换单元 The method of modifying the configuration of the voltage converting device and the voltage conversion unit is used for voltage conversion device |
| 04/18/2012 | CN102422500A 用于汇流排线槽系统的温度监控 Temperature busbar trunking system for monitoring |
| 04/18/2012 | CN102420420A 单相接地保护方法和系统 Single-phase protection methods and systems |
| 04/18/2012 | CN102420419A 一种电源保护电路 A power supply protection circuit |
| 04/18/2012 | CN102420418A 织机马达过热保护装置 Loom motor overheating protection device |
| 04/18/2012 | CN102420417A 一种绕线式电机保护器及其保护方法 A wound-type motor protection and protection methods |
| 04/18/2012 | CN102420416A 家用电器保护电路 Household Appliances protection circuit |
| 04/18/2012 | CN102420045A 直流偏磁抑制器 DC magnetic bias suppressor |
| 04/18/2012 | CN101562331B 负序电抗方向判定方法 Negative sequence reactance direction determination method |
| 04/18/2012 | CN101478148B 一种电力系统交流输电线路故障方向判断方法 A system AC power transmission line fault direction determination method |