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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12/14/2011 | CN202076690U 移动式馈电柜 Mobile feeder cabinet |
12/14/2011 | CN102282740A 保护监视电路以及电池组 Protection monitoring circuit and a battery pack |
12/14/2011 | CN102282736A 一种电源的开关控制电路及一种供电电路 A power switch control circuit and A power supply circuit |
12/14/2011 | CN102280902A 电池充电保护装置 Battery charging protection device |
12/14/2011 | CN102280868A 防止矿井供电系统越级跳闸的方法 Methods to prevent tripping leapfrog Mine Power Supply System |
12/14/2011 | CN102280867A 线路两相短路故障电流控制方法 Line two-phase short circuit fault current control method |
12/14/2011 | CN102280866A 行波数据采集和处理装置 Traveling wave data acquisition and processing device |
12/14/2011 | CN102280865A 一种电动汽车接触器的保护方法及装置 An electric car contactor protection method and apparatus |
12/14/2011 | CN102280864A 配网系统保护装置故障后带电处理方法及便携式保护装置 Distribution network system fault protection device charged and portable protection treatment |
12/14/2011 | CN102280863A 中低压开关柜内电弧光综合保护系统 Low-voltage switchgear arc integrated protection system |
12/14/2011 | CN102280862A 变频器输入输出反接检测保护方法及装置 Inverter input and output reverse polarity protection method and device detection |
12/14/2011 | CN102280861A 一种开关电源输出短路保护电路 A switching power supply output short circuit protection |
12/14/2011 | CN102280860A 基于pwm芯片的自激式变换器输入过压保护电路 Input overvoltage protection circuit pwm chip based self-excited converter |
12/14/2011 | CN102280859A 具有断电延时功能的软起动张紧装置 Tensioning device has a soft start function off delay |
12/14/2011 | CN102280858A 一种电机过载保护器 A motor overload protection |
12/14/2011 | CN102280857A 多功能软限保护器 Multifunction soft limit protection |
12/14/2011 | CN102280856A 变压器空载合闸非饱和区励磁电流不平衡保护方法 Load switching unsaturated zone transformer magnetizing current unbalance protection methods |
12/14/2011 | CN102280855A 变压器空载合闸的保护方法 Closing of transformer no-load protection methods |
12/14/2011 | CN102280854A 变压器空载合闸的非饱和区励磁电流速断保护方法 Transformer load closing of the unsaturated zone excitation current protection methods |
12/14/2011 | CN102280853A 配电变压器过流、缺相智能保护装置 Distribution transformer overcurrent, phase intelligent protection device |
12/14/2011 | CN102280852A 一种电动列车主电路的制动电阻保护方法及设备 An electric train braking resistor main circuit protection method and apparatus |
12/14/2011 | CN102279346A 一种小电流接地系统故障选线方法 , A small current grounding system fault line selection method |
12/14/2011 | CN102279344A 配电线路状态智能传感器 Distribution line status smart sensor |
12/14/2011 | CN102278605A 一种多功能移动照明灯 A multifunctional mobile lighting |
12/14/2011 | CN102278105A 一种全自动脱气机 A fully automatic degasser |
12/14/2011 | CN101752846B 一种弧光短路保护装置及其控制方法 One kind of arc short-circuit protection device and control method |
12/14/2011 | CN101702511B 一种智能油浸变压器 An intelligent immersed transformer |
12/14/2011 | CN101694936B 基于变化量带量方向的母线保护方法 Busbar protection method is based on the amount of change with the amount of direction |
12/14/2011 | CN101662141B 结合比相继电器的串联电容补偿线路距离保护方法 Series Compensation combined ratio relative distance relay protection methods |
12/14/2011 | CN101630835B 母联或分段充电保护方法 Mother of charging protection method or section |
12/14/2011 | CN101436771B 一种电源欠压保护电路及包含该保护电路的电源 An undervoltage protection circuit and power supply included in the protection circuit |
12/14/2011 | CN101350519B 一种实时同步的光纤纵差保护装置及方法 Optical fiber differential protection device and method for real-time synchronization |
12/13/2011 | US8077437 Integrated circuits and power supplies |
12/08/2011 | WO2011150985A1 Method and system for online ferroresonance detection |
12/08/2011 | WO2011150975A1 Control arrangement |
12/08/2011 | WO2011091256A3 Superconducting fault current-limiter with variable impedance shunt coil |
12/08/2011 | WO2011079155A3 Over voltage protection of a switching converter |
12/08/2011 | US20110298404 Motor drive system, control method of motor drive system, and traveling device |
12/08/2011 | DE102010023838A1 Hubladebühne und Verfahren zum Betreiben einer Steuereinrichtung einer Hubladebühne Loading tailgate and method for operating a control device of a lifting loading platform |
12/08/2011 | CA2801214A1 Method and system for online ferroresonance detection |
12/08/2011 | CA2796501A1 Arc flash detection apparatus and electrical system including the same |
12/07/2011 | EP2393184A2 Portable auxiliary power-source device for a vehicle |
12/07/2011 | EP2393178A2 Protection, monitoring or indication apparatus for a direct current electrical generating apparatus or a plurality of strings |
12/07/2011 | EP2392070A2 System and method for determining stator winding resistance in an ac motor using motor drives |
12/07/2011 | EP2392063A1 Method and apparatus for an overload detection in battery-operated devices having an electric motor |
12/07/2011 | EP2391789A1 Controller for a window winder drive |
12/07/2011 | CN202068331U 四推挽振荡电子变压器 Four push-pull oscillation of electronic transformers |
12/07/2011 | CN202068323U 车载式汽车动力电源高压直流dc/dc变换器 Car car power supply HVDC dc / dc converter |
12/07/2011 | CN202068272U 一种带有温度控制的转向助力电机 Power steering motor with a temperature-controlled |
12/07/2011 | CN202068223U 一种基于v2g技术的车载充放电装置 Car v2g technology based charging and discharging device |
12/07/2011 | CN202068176U 可移动式微机型临时保护装置 Removable micro models temporary protection |
12/07/2011 | CN202068175U 软壳锂电池过充与过热报警保护结构 Soft shell lithium battery overcharge and overheat alarm protection structure |
12/07/2011 | CN202068174U 一种过流保护电路 Type of overcurrent protection circuit |
12/07/2011 | CN202068173U 一种潜水排污泵电机进水检测及保护装置 One kind of submersible sewage pump motor water detection and protection equipment |
12/07/2011 | CN202068172U 穿筘机短路自停保护装置 Reeding machine since stopped short circuit protection device |
12/07/2011 | CN202068170U 一种三相水泵或风机电源相序自动调整装置 A three-phase pump or fan power phase sequence automatic adjusting device |
12/07/2011 | CN202068100U 移动式防雷及防漏电配电柜 Mobile lightning and leakage power distribution cabinet |
12/07/2011 | CN202064996U 基于plc变频调速的瓦斯抽排放装置 Smoke emission devices based on Frequency Gas plc |
12/07/2011 | CN102273061A 用于监控电动驱动装置的起动的方法和装置 Starting method and apparatus for monitoring the electric drive means |
12/07/2011 | CN102273044A 保护电路、电池组件以及充电系统 Protection circuit, the battery pack and charging system |
12/07/2011 | CN102273037A 混合配电网电力恢复控制 Hybrid electric power distribution network to regain control |
12/07/2011 | CN102271445A 路灯供电智能控制系统 Powered street lights intelligent control system |
12/07/2011 | CN102270960A 一种基于单片机的直流有刷电机控制器 A microcontroller based DC brush motor controller |
12/07/2011 | CN102270876A 电源切换装置 Power switching device |
12/07/2011 | CN102270867A 电池状态监视电路以及电池装置 Battery state monitoring circuit and battery device |
12/07/2011 | CN102270858A 充电装置 Charging device |
12/07/2011 | CN102270856A 定时充电器 Timing Chargers |
12/07/2011 | CN102270838A 电源保护装置 Power protection devices |
12/07/2011 | CN102270837A 适用于飞机分布式配电系统的网络故障重构方法 Reconstruction method for network fault plane distributed power distribution systems |
12/07/2011 | CN102270836A 配电网广域过电流保护方法及系统 Wide distribution network overcurrent protection method and system |
12/07/2011 | CN102270835A 配电网分布式过电流保护和相间故障隔离的方法 Distribution network distributed phase overcurrent protection and fault isolation methods |
12/07/2011 | CN102270834A 一种配置智能中压断路器的12kV成套装置 An intelligent 12kV medium voltage circuit breaker sets of equipment configuration |
12/07/2011 | CN102270833A 减少配电网继电保护时限配合阶梯级数的方法及装置 Reduce distribution grid with ladder relay time series method and apparatus |
12/07/2011 | CN102270832A 一种电路保护器 A circuit protection |
12/07/2011 | CN102270831A 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 |
12/07/2011 | CN102270830A 电池保护模块 Battery protection module |
12/07/2011 | CN102270829A 伺服电机的健康预警装置及其计算方法 Health warning device and the calculation method of the servo motor |
12/07/2011 | CN101677182B 具电池内电阻补偿的电池保护器 Internal resistance of the battery with a battery protector compensation |
12/07/2011 | CN101615806B 相控无功功率动态补偿方法 Phased dynamic reactive power compensation method |
12/07/2011 | CN101361245B 电器限流装置 Electric current limiting device |
12/07/2011 | CN101277057B 过载保护延迟电路及交换式电源供应器 The delay circuit and overload protection Switching Power Supply |
12/06/2011 | US8072724 Over-voltage protection circuit |
12/06/2011 | US8072170 Motor controller of air conditioner |
12/06/2011 | US8072093 Intelligent power system |
12/03/2011 | CA2707552A1 Battery system and management method |
12/01/2011 | WO2011148749A1 Electrical leakage detection apparatus with unexpected motion blocking function |
12/01/2011 | WO2011076742A3 Reconfigurable inverter having failure tolerance for powering a synchronous poly-phase motor having permanent magnets, and assembly including said inverter and motor |
12/01/2011 | US20110292698 System and method providing over current and over power protection for power converter |
12/01/2011 | DE102010021599A1 Device for monitoring fault in closed alternate current circuit of protection device, has generation unit for comparing integrated current measurement signal with predetermined threshold level and for generating trigger signal |
12/01/2011 | DE10101128B4 Vorrichtung zur Verhinderung einer unzulässigen Drehrichtung eines elektrischen Antriebs A device for preventing an improper direction of rotation of an electric drive |
11/30/2011 | EP2390981A1 Device for securing an electric power generation facility and method for implementing such a device |
11/30/2011 | EP2390980A1 Method and device for detecting an intermittent earth fault in a multiple feeder system |
11/30/2011 | EP2140319B1 Method for adjusting a domotic installation and tool for implementing same |
11/30/2011 | CN202059642U 一种多功能移动照明灯 A multifunctional mobile lighting |
11/30/2011 | CN202059623U 用于led冷光源的可调节驱动电路 Led cold light source for adjustable driver circuit |
11/30/2011 | CN202059333U 一种变频器 One kind of drive |
11/30/2011 | CN202059211U 牵引变电所27.5kV母线电压回路同步稳态切换装置 Traction 27.5kV substation bus voltage loop synchronous switching device steady |
11/30/2011 | CN202059203U 半波脉冲温控充电器 Half-wave pulse thermostat charger |
11/30/2011 | CN202059194U 智能通用型液晶显示充电器 Intelligent LCD universal charger |
11/30/2011 | CN202059168U 具有在线限流保护电路的漏电保护器 Leakage protection with online current limit protection circuits |