Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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)
05/2014
05/28/2014CN103825255A 车载终端设备的备用电池充放电保护电路 Vehicle terminal equipment spare battery charge and discharge protection circuit
05/28/2014CN103825254A 一种大型动力锂电池的充放电保护装置及保护方法 A large power lithium battery charge and discharge protection device and protection method
05/28/2014CN103825253A 电动车电池安全控制装置及控制方法 Apparatus and method for controlling electric vehicle battery safety control
05/28/2014CN103825252A 一种电池连接断线的保护装置及保护系统 A battery connection protection devices and protection system is broken
05/28/2014CN103825251A 光伏逆变器过温输出功率降额的软件控制方法 PV inverter over-temperature output power derating software control methods
05/28/2014CN103825250A 快速过欠压检测电路 Fast over-voltage detection circuit
05/28/2014CN103825249A 水泵电机智能数显保护开关 Pump motor protection switch intelligent digital
05/28/2014CN103825248A 一种电力机车辅机保护装置 An electric power locomotive auxiliary protection devices
05/28/2014CN103823358A 电源控制电路 The power control circuit
05/28/2014CN103822437A 一种实现信号线与功率线的复用电路 A signal line and the power line multiplexing circuits
05/28/2014CN102646958B 发电机异步自激振荡保护装置及保护方法 Asynchronous self-excited oscillation generator protection devices and protection methods
05/28/2014CN102496915B 一种配电网故障处理方法及系统 Distribution Network Fault processing method and system
05/28/2014CN102386827B 基于耐高电压跨接器的灭磁保护电路及耐高电压跨接器 Based resistant to high voltage jumper de-excitation protection circuit and resistance to high voltage jumper
05/28/2014CN102299503B 一种水轮发电机进相深度预警方法 Phase one kind of hydro depth warning method
05/28/2014CN102280855B 变压器空载合闸的保护方法 Closing of transformer no-load protection methods
05/28/2014CN102280854B 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
05/28/2014CN102222900B 一种交流电器抗瞬间高压冲击的漏电保护模块 An AC high-voltage electrical shock instant anti-leakage protection module
05/28/2014CN102187567B 双馈感应电机的保护系统 Protection system doubly-fed induction motor
05/28/2014CN102185280B 双周期可调节的变极性方波电压式转子接地保护方法 Adjustable double-cycle square wave voltage alternating polarity rotor ground protection methods
05/28/2014CN101647169B 相位控制开关装置及相位控制开关装置的开闭极控制方法 Pole control method for controlling the opening and closing phase of the switching means and the phase-control switching apparatus
05/27/2014US8738227 Dark current cutoff system and method for vehicle junction box
05/27/2014US8736208 Motor control device
05/27/2014US8736118 Single-channel safety output
05/27/2014CA2565288C Isolated measurement circuit for sensor resistance
05/22/2014WO2014075989A1 Protective circuit for a current transformer and current transformer with a protection circuit
05/22/2014WO2014075630A1 Protective device and protective system for battery assembly
05/22/2014WO2014075585A1 Battery protection apparatus and battery apparatus
05/22/2014WO2014015947A3 Device for the safe switching of a photovoltaic system
05/22/2014US20140139954 Boost type power converting apparatus with protection circuit
05/22/2014DE102012221319A1 Verfahren und Vorrichtung zum Spannungsfreischalten eines Hochvoltnetzes eines Elektrofahrzeuges Method and apparatus for de-energizing of a high-voltage network of electric vehicle
05/22/2014DE102012215166B4 Schaltgerät für einen Einphasenmotor und einen Drehstrommotor Switching device for a single-phase motor and a three-phase motor
05/22/2014DE102012111209B3 LED drive circuit, has resistors parallely switched, and current acquisition feedback unit forming protective circuit to reduce rise of output power if fed voltage of alternating current source is high
05/22/2014DE102012111061A1 Schutzschaltung für einen Stromwandler und Stromwandler mit einer Schutzschaltung Protection circuit for a power transformer and current transformer with a protection circuit
05/21/2014EP2733808A1 Method and system for suppressing very fast transients
05/21/2014EP2733807A2 Protective circuit for multilevel inverter
05/21/2014EP2733806A1 Bridge circuit with increased reliability
05/21/2014EP2732524A1 Automatic power converter bypass
05/21/2014EP2732523A2 Power generation system and method for operating a power generation system
05/21/2014EP2732522A1 Transient voltage blocking for powerconverter
05/21/2014CN203608156U 太阳能光伏控制器用的过流保护及启动恢复电路 Overcurrent and start using solar photovoltaic controller recovery circuit
05/21/2014CN203608131U 升降机的驱动电机的控制装置、升降机及升降输送系统 Control device drive motor lifts, lifts and lifting conveyor system
05/21/2014CN203608076U 高压igbt驱动及保护电路 Igbt drive and high voltage protection circuit
05/21/2014CN203607847U 低压配电控制系统综合实验平台装置 Low-voltage power distribution control system integrated experimental platform device
05/21/2014CN203607846U 充电电池保护电路 Rechargeable battery protection circuit
05/21/2014CN203607831U 适用于电网一体化线路的保护系统 Suitable for protecting systems integration grid lines
05/21/2014CN203607830U 一种配电终端跳闸回路的保护电路 A distribution terminal trip circuit protection circuit
05/21/2014CN203607829U 三相四线制380v供电系统断相保护器 380v three-phase four-wire power supply system phase protection device
05/21/2014CN203607828U 一种igbt过流及短路保护电路 One kind igbt overcurrent and short circuit protection
05/21/2014CN203607827U 开关站蓄电池欠电压保护器 Switching station battery undervoltage protection
05/21/2014CN203607826U 一种风电机组变流器的过压保护装置及变流器 A wind turbine inverter overvoltage protection devices and converters
05/21/2014CN203607825U 一种保护电路、电源板、电视机 A protective circuit, power board, TV
05/21/2014CN203607824U 一种过电压关断保护电路 An over voltage shutdown protection circuit
05/21/2014CN203607823U 干式变压器线圈短路保护器 Dry-type transformer coil short circuit protection
05/21/2014CN203607822U 矿用防爆变流变压器的保护电路 Mine explosion protection circuit converter transformer
05/21/2014CN103814491A 一种包含发电机控制器的电力管理系统 Power management system comprising a generator controller
05/21/2014CN103812399A 具有转速切换机构的电动工具 Electric tool having a rotational speed of the switching mechanism
05/21/2014CN103812374A 一种全桥逆变器桥臂功率开关管过流保护电路 An all-bridge inverter bridge arm power switch overcurrent protection circuit
05/21/2014CN103812351A 反激式稳压器及其控制电路、一次侧控制器、二次侧控制器 Flyback regulator and control circuit on the primary side controller, the secondary-side controller
05/21/2014CN103812198A 一种电池充电防反电路 A battery charging circuit of anti-anti-
05/21/2014CN103812166A 车用启动电源 Car Start Power
05/21/2014CN103812095A 含分布式电源配电网的方向纵联保护方法 Direction containing distributed power distribution grid pilot protection methods
05/21/2014CN103812094A 基于故障分量虚拟阻抗差动的纵联保护系统及其方法 Based on fault component of longitudinal virtual impedance differential protection system and method
05/21/2014CN103812093A 一种车载手机无线充电器接收端的保护电路 A vehicle-mounted mobile wireless charger protection circuit at the receiving end
05/21/2014CN103812092A 一种用于大功率音频输出喇叭的保护电路 A protection circuit for high power audio output speaker
05/21/2014CN103812091A 一种锂电池组保护装置 One kind of lithium battery protection device
05/21/2014CN103812090A 电子设备、电池保护方法和装置 Electronic equipment, battery protection method and apparatus
05/21/2014CN103812089A 一种电池包及其电池状态监测电路 A battery pack and battery status monitor circuit
05/21/2014CN103812088A 取电保护装置 Take power protection devices
05/21/2014CN103812087A 并联电池的断路保护方法及装置 Circuit protection method and apparatus for parallel battery
05/21/2014CN103812086A 一种高压电动机保护系统 A high voltage motor protection systems
05/21/2014CN103812085A 有源式电流压板有流防误闭锁装置 Current flow plate has an active anti-error locking device
05/21/2014CN103812084A 电源装置 Power supply unit
05/21/2014CN103810386A 一种基于非监督学习的继电保护装置聚类方法 An unsupervised learning method based on clustering protection devices
05/21/2014CN103809722A 一种笔记本电脑电池欠压保护电路及欠压保护方法 One kind of laptop battery undervoltage protection circuit and undervoltage protection methods
05/21/2014CN103809602A 一种阵列聚光镜跟踪机构的新型控制系统 The new control system for a condenser lens array tracking mechanism
05/21/2014CN102306944B 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
05/21/2014CN102025126B 一种变压器继电保护方法及其系统 A transformer protection method and system
05/21/2014CN101958526B 使用滤波陷波电路以提供电弧故障脱扣协调的配电系统和电气开关设备 Using a notch filter to provide an arc fault trip circuit of the power distribution system and the coordination of the electrical switching apparatus
05/21/2014CN101741064B 电机电子保护装置 Electrical and electronic protection device
05/20/2014US8732489 Communication system for use in hazardous environments
05/20/2014US8730700 Current source inverter and method for controlling current source inverter
05/20/2014US8730699 Current-source power converter using normally-on field effect transistors
05/20/2014US8730692 Switching mode power supply and method of controlling the same
05/20/2014US8730691 Power conversion apparatus and methods employing variable-level inverters
05/20/2014US8730690 Systems and apparatus for reducing electromagnetic interference and methods of assembling the same
05/20/2014US8730689 Capacitive power supply
05/20/2014US8729842 Supply architecture for inductive loads
05/15/2014WO2014073811A1 Electronic apparatus, power supply apparatus, and power supply method
05/15/2014WO2014072444A1 Method and device for monitoring a transformer state
05/15/2014WO2013164138A3 Synchronous generator control, generator system and vessel energy system
05/15/2014US20140132233 Electronic apparatus, power supply apparatus, and power supply method
05/15/2014US20140130531 Compressor Protection And Grid Fault Detection Device
05/15/2014DE102012220482A1 Verfahren zur Steuerung eines Drehschraubers sowie Drehschrauber Method for controlling a rotary wrench and Screwdrivers
05/15/2014DE102012023459B3 Electrical system for e.g. truck, has second current measuring unit that carries out current measurement in specific component path at which electrical component of specific-type is arranged, during operation of respective component
05/15/2014DE102012022083A1 Protective circuit for electrical supply network of motor vehicle, has control unit restoring electrical connection between first and second terminals, and fuse element connected in parallel between first and second elements
05/15/2014DE102009049934B4 Aus einem elektrischen Wechselstromnetz versorgbares Elektrogerät und Verfahren zur Fehlererkennung From an electric ac network versorgbares electric apparatus and method for error detection
05/14/2014EP2731218A1 Frequency converter for operating an electric motor, mechatronic system and electric device
05/14/2014EP2730023A1 System for detecting internal winding faults of a synchronous generator, computer program product and method
05/14/2014CN203596777U 发电机控制器及发电机组监控系统 Generator controller and generator set monitoring system
05/14/2014CN203596772U 压缩机退磁保护电路和空调器 Demagnetization protection circuit and the air conditioner compressor
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