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)
05/2014
05/14/2014CN203596758U 具有双路保护的车载逆变器 Car inverter with Dual Protection
05/14/2014CN203596757U 具有隔离保护的车载逆变器 With isolation protection car inverter
05/14/2014CN203596754U 隔离式ac-dc转换器 Isolated ac-dc converter
05/14/2014CN203596747U 隔离式dc-dc转换器 Isolated dc-dc converters
05/14/2014CN203596638U 多功能电池充电保护电路 Multifunctional battery protection circuit
05/14/2014CN203596634U 一种智能手机充电装置 An intelligent mobile phone charging device
05/14/2014CN203596610U 一种锂电池两节充放电保护电路 One kind of lithium battery charge and discharge protection circuit two
05/14/2014CN203596609U 汽车蓄电池过放保护装置 Car battery over-discharge protection device
05/14/2014CN203596608U 隔离保护电路 Isolation protection circuit
05/14/2014CN203596607U 应用于卫星接收机的lnb降压型供电电路 Applied to the satellite receiver lnb buck power supply circuit
05/14/2014CN203596606U 一种防电磁干扰的变压器重瓦斯保护电路 An anti-electromagnetic interference protection circuit transformer heavy gas
05/14/2014CN203596600U 过流保护电路 Overcurrent protection circuit
05/14/2014CN203596264U 一种防雷低损耗调压配电变压器 One kind of mine low-loss distribution transformers regulator
05/14/2014CN203590784U 一种用于农业浇灌的太阳能抽水设备 An agricultural irrigation solar pumping equipment
05/14/2014CN103797675A 用于保护用电器的装置和方法 Apparatus and method for protecting electrical
05/14/2014CN103797674A 用于保护用电器的装置和方法 Apparatus and method for protecting electrical
05/14/2014CN103795281A 一种宽电压输入型大功率本安电源 One kind of wide input voltage high-power intrinsically safe power supply
05/14/2014CN103795277A 具有输出保护功能的电源供应器及其控制方法 With output power supply protection and control method
05/14/2014CN103795099A 30w便携式太阳能电源 30w Portable Solar Power
05/14/2014CN103795044A 一种输电线路相间距离保护iii段保护方法 One kind of transmission line phase distance protection iii segment protection method
05/14/2014CN103795043A 一种过负荷防误动输电线路相间故障后备保护方法 An over load of anti-mal transmission line phase fault backup protection methods
05/14/2014CN103795042A 基于虚拟过渡阻抗的纵联保护系统及其保护方法 Based on pilot protection systems and protecting virtual transition impedance method
05/14/2014CN103795041A 一种输电线路过负荷防误动相间距离后备保护方法 One kind of anti-mal load transmission lines passing phase distance backup protection methods
05/14/2014CN103795040A 电子设备及其电源适配器 Electronic devices and power adapters
05/14/2014CN103795039A 电源转换器及其电容保护装置 Power converters and capacitor protection device
05/14/2014CN103795038A 新能源汽车用逆变器相电流过流硬件保护系统和方法 New energy automotive inverter phase current hardware overcurrent protection system and method
05/14/2014CN103795037A 一种开关电源保护电路及包含该保护电路的开关电源 A switching power supply protection circuit and including the protection circuit switching power supply
05/14/2014CN103795036A 一种开关电源控制器的输入欠压保护电路 An input undervoltage protection circuit switching power supply controller
05/14/2014CN103795035A 用于防止故障的功率模块和装置及其控制方法 Prevent the failure of the power module and control method and apparatus for
05/14/2014CN103795034A 过电流保护系统和方法 Overcurrent protection system and method
05/14/2014CN103795033A 一种开关磁阻电机相间短路的检测保护电路及其方法 A switched reluctance motor phase short circuit protection circuit and method of detection
05/14/2014CN103795032A 电机堵转的检测装置及检测方法 Motor stall detection apparatus and test methods
05/14/2014CN103795031A 基于电流保护融信因子的站域保护系统及其保护方法 Based on the current protection system to protect the station and its protection domain method rongxin Factor
05/14/2014CN103795030A 一种基于纵联支接电导的变压器继电保护方法 Transformer protection method based on longitudinal branch pick conductance
05/14/2014CN103785881A 电钻防过载装置 Drill overload prevention device
05/14/2014CN102315632B 抑制igbt过电流的驱动电路 Suppression igbt driver circuit overcurrent
05/14/2014CN102163839B 保护电路和电子设备 Protection circuits and electronic equipment
05/14/2014CN102122815B 高压输电线路超高速行波方向纵联保护方法、装置和系统 High Voltage Transmission Line ultrafast longitudinal direction of the traveling wave protection method, apparatus and system
05/14/2014CN102027628B 电池组及包含该电池组的主动型单电池平衡电池管理装置 The battery pack of the active type and comprises a single battery cell balancing a battery management apparatus
05/14/2014CN102005731B 提供过温度保护的控制器、功率转换器及其方法 Provide over-temperature protection controller, power converter and method
05/13/2014US8723489 Bi-directional buck-boost circuit
05/13/2014US8723468 Cooled motor
05/13/2014US8723466 Motorized venetian blind system
05/08/2014WO2014070835A2 System and method for over-current protection
05/08/2014WO2014068966A1 Power supply device and illumination device for vehicle using same
05/08/2014WO2014068194A1 Safety arrangement, elevator system, frequency converter and a method for monitoring electrical safety in an elevator system
05/08/2014WO2014029886A3 Circuit interruption device
05/08/2014US20140126256 Semiconductor Package Having an Over-Temperature Protection Circuit Utilizing Multiple Temperature Threshold Values
05/08/2014US20140126255 System and method of over-voltage protection
05/08/2014US20140126097 Measuring arrangement for determining a measured quantity
05/08/2014US20140126088 Protection circuit, switch control circuit, and power supply device comprising the same
05/08/2014US20140126087 Electric power conversion apparatus, current-carrying device that carries ac power, and method of manufacturing current-carrying device that carries ac power
05/08/2014DE102013111869A1 Photovoltaic system i.e. outdoor system, for producing current, has alternating current-shortcircuit switch arranged before alternating current-separating element in energy flow direction, and diode associated to photovoltaic-sub generators
05/08/2014DE102011053728A9 Batteriesystem und Verfahren zum Abschalten von in Serie geschalteten Energiespeichermodulen einer Batterie eines Batteriesystems Battery system and method for switching off of series-connected energy storage modules of a battery of a battery system
05/07/2014EP2728733A1 Power conversion device
05/07/2014EP2728693A1 Current differential protection
05/07/2014EP2728692A1 Apparatus and method for an under-voltage protection of an electrical network, especially in an aircraft comprising a fuel cell
05/07/2014EP2727238A2 Electrical machine comprising a safety circuit
05/07/2014EP2727226A2 System for protecting against heating for a rotating electric machine, in particular a starter
05/07/2014EP2727204A1 Device for protecting against a short-circuit fault in an electrical network
05/07/2014CN203590105U 电机驱动装置及空调器 Motor drive unit and the air conditioner
05/07/2014CN203590098U 带ups断电信息保护的双电机交流伺服驱动器 Dual motors AC servo drives with ups power of information protection
05/07/2014CN203590091U 具有过流保护的单相电动机控制器 With a single-phase motor controller overcurrent protection
05/07/2014CN203590088U 一种具有前级真空接触器保护的低压软起动器 Having a pre-vacuum contactors to protect low-voltage soft starters
05/07/2014CN203589779U 一种太阳能蓄电池充放电控制器 A solar battery charge controller
05/07/2014CN203589715U 主控型电弧光保护系统 Master-type arc protection system
05/07/2014CN203589714U 馈线型电弧光保护装置 Feeder type arc protection devices
05/07/2014CN203589713U 一种断路器与继电保护相组合的防跳电路 A circuit breaker with a combination of anti-skip protection circuit
05/07/2014CN203589712U 一种短路保护电路 One kind of short-circuit protection
05/07/2014CN203589711U 用于印刷设备的防过压保护器 Overvoltage protection for anti-printing equipment
05/07/2014CN203589710U 电池保护电路及其内的电压保护电路 Voltage protection circuit inside the battery protection circuit and
05/07/2014CN203589709U 用于电池保护的芯片级联结构 Chip cascade structure for battery protection
05/07/2014CN203589708U 一种电池保护电路 A battery protection circuit
05/07/2014CN203589707U 不间断电源过流保护电路 Uninterruptible power supply overcurrent protection circuit
05/07/2014CN203589706U 一种高压直流换流阀的保护装置 A high voltage DC converter valve protection device
05/07/2014CN203589705U 密封三相电源缺相保护继电器 Seal Three-phase power phase protection relay
05/07/2014CN203589704U 用于印刷机伺服驱动电机的断相保护器 Phase failure protection for servo drive motor presses
05/07/2014CN203589703U 汽车微型电机用可恢复保护器 Automobile micro-motors with recoverable protection
05/07/2014CN203589702U 用于冷却大型电动机的小型风机电动机控制电路 Small blower motor for cooling large motor control circuits
05/07/2014CN203589701U 用于纺织机电机的温度过高自动断电控制器 The temperature is too high for the textile machine motor automatic power controller
05/07/2014CN203589700U 煤电钻变压器保护装置 Coal drill transformer protection
05/07/2014CN203587559U 探伤仪进球的传动机构 Flaw scoring drive mechanism
05/07/2014CN103782509A 用于检测同步发电机内部绕组故障的系统、计算机程序产品和方法 Winding fault detection system for internal synchronous generator, a computer program product and method
05/07/2014CN103782502A 电机夹紧系统 Motor clamping system
05/07/2014CN103782472A 用于车辆车载电池充电器的补偿系统及补偿方法 Vehicle Car Battery Charger compensation systems and compensation methods for
05/07/2014CN103782469A 开关驱动电路、逆变器装置以及动力转向装置 Switch drive circuit, an inverter device, and power steering device
05/07/2014CN103782468A 改善的安全性的电池组 Improved safety of the battery pack
05/07/2014CN103782467A 用于监控具有旋转驱动电机的驱动设备尤其是车窗升降机的方法和装置 In particular, a method and apparatus for monitoring the drive motor having a rotary drive device lifts the window
05/07/2014CN103780176A 一种低励限制与失磁保护的配合整定方法 A low excitation limit cooperation with the loss of field protection tuning method
05/07/2014CN103780076A 一种大功率开关电源 One kind of high-power switching power supply
05/07/2014CN103779907A 终端及其电池充电控制装置与方法 Terminal and the battery charging apparatus and a method of controlling
05/07/2014CN103779880A 具有电量显示和温度保护的太阳能充电器 Solar charger has a battery indicator and temperature protection
05/07/2014CN103779867A 一种可控串补电路的控制方法 A control method TCSC circuit
05/07/2014CN103779853A 基于广域信息的电网线路过负荷防误动继电保护方法 Based on the wide area network line information overload relay malfunction prevention methods
05/07/2014CN103779852A 基于自适应电流保护协同因子的区域保护系统及其方法 Adaptive Current Protection cofactor regional protection system and method
05/07/2014CN103779851A 超高压线路距离后备保护校核方法 EHV line distance backup verification method
05/07/2014CN103779850A 基于直采直跳通讯模式双回线路单相接地距离保护方法 Phase distance protection method based on direct mining beating double circuit line single communication mode
05/07/2014CN103779849A 无出口死区的输电线路单相接地故障继电保护方法 Fault relay no export Dead single-phase ground transmission lines
05/07/2014CN103779848A 基于故障全过程暂态特性线路相间故障电压相位保护方法 Fault transient characteristics of the whole process of phase fault line method based on the voltage phase protection
05/07/2014CN103779847A 基于sv网络采样同杆双回线路单相接地电压比相保护方法 Sv-based network sampling pole double circuit line with single-phase ground voltage ratio relative protection methods
1 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ... 328