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)
12/2014
12/17/2014CN104218548A 一种适用于特高压高补偿度串补线路的保护方法 A suitable method for the protection of UHV high degree of compensation for Series Compensated Line
12/17/2014CN104218547A 一种纵联通道传输装置 Unicom a vertical channel transmission device
12/17/2014CN104218546A (54)一种智能配电网的自愈恢复控制方法 (54) with an intelligent self-healing grid regain control method
12/17/2014CN104218545A 一种基于电流状态量的数字式光纤差动保护方法 Digital fiber differential protection method based on the current state of the amount of
12/17/2014CN104218544A 一种智能配电系统中的保护装置 An intelligent power distribution system protection devices
12/17/2014CN104218543A 电流源型变流器差动保护方法 Current source converter differential protection method
12/17/2014CN104218542A 电池保护电路 Battery protection circuit
12/17/2014CN104218541A 带有短路保护功能的磷酸铁锂启动电池总压保护装置 Lithium iron phosphate battery to start the total pressure protection device with short circuit protection function
12/17/2014CN104218540A 电子烟电池反接保护装置及方法 Electronic cigarette reverse battery protection device and method
12/17/2014CN104218539A 可防止充电电源反接的充电电路及方法 Charging the circuit and method to prevent reverse power of
12/17/2014CN104218538A 电池过放电保护电路 Battery discharge protection circuit
12/17/2014CN104218537A 电池防接反以及欠压保护电路以及灯具 Battery anti-reverse and undervoltage protection circuit and fixtures
12/17/2014CN104218536A 可充电电池保护器 Rechargeable Battery Protectors
12/17/2014CN104218535A 一种有源pfc过电流保护电路 An active pfc overcurrent protection circuit
12/17/2014CN104218534A 带空载保护的dc-dc开关型电路以及灯具 With no-load protection of dc-dc switching circuits and lighting
12/17/2014CN104218533A 一种电源输入过压关断保护电路 A power input overvoltage shutdown protection circuit
12/17/2014CN104218532A 一种变频器直流母线电压保护电路 One kind of inverter DC bus voltage protection circuit
12/17/2014CN104218531A 短路保护电路及其短路保护方法 Short-circuit protection and short circuit protection method
12/17/2014CN104218530A 一种有源pfc的硬件保护电路 An active pfc hardware protection circuit
12/17/2014CN104218529A 电源转换电路及电子装置 Power conversion circuit and an electronic device
12/17/2014CN104218528A 一种电动机综合保护装置 A motor integrated protection device
12/17/2014CN104218527A 一种电动机智能控制感应器寿命延长方法 A motor control sensors intelligent life extension method
12/17/2014CN104218526A 采用分段相角补偿的发电机注入式定子接地保护方法 Segmented phase angle compensation generator stator ground protection injection method
12/17/2014CN104218522A 电压互感器二次断线自投装置 Voltage transformer secondary break from the vote means
12/17/2014CN103296640B 一种用于电力工程直流系统的直流保护电器的选择方法 A DC Power Engineering DC system protection appliance selection method
12/17/2014CN103050942B 一种基于hht的ct饱和检测方法 An ct saturation detection method based hht
12/17/2014CN102931640B 一种变压器零序差动保护方法 A transformer differential protection zero-sequence method
12/17/2014CN102869148B 具开路保护的发光二极管驱动电路 With open-circuit protection LED driver circuit
12/17/2014CN102801310B 一种直流开关电源电路 A DC switching power supply circuit
12/17/2014CN102646967B 一种配电线路不对称故障继电保护方法 An asymmetric distribution line fault protection method
12/17/2014CN102347602B 一种igbt保护电路 One kind of protection circuit igbt
12/17/2014CN102246373B 降压器件的过载保护 Buck overload devices
12/17/2014CN102208801B 一种将线路保护装置安全用于风电场的做法 The circuit protection device of a safe practice for wind farms
12/17/2014CN102162822B 直流电流检测电路及应用该电路的变频空调器 DC current detection circuit and the circuit of inverter air conditioner application
12/17/2014CN101877478B 电池放电保护装置 Battery discharge protection device
12/17/2014CN101771269B 方向性区域选择互锁方法 Directional interlocking region selection method
12/17/2014CN101443977B 电源系统和方法 Power systems and methods
12/16/2014US8913352 Method and apparatus for detecting a desaturation fault in an inverter module
12/16/2014US8912801 Method and arrangement for an internal failure detection in a Y-Y connected capacitor bank
12/11/2014US20140362489 Electronic apparatus
12/11/2014US20140362487 Measuring System having at least One field Device with at Least One Display Apparatus as well as Method for Operating Same
12/11/2014US20140362480 Safety switching device with power supply
12/11/2014US20140362479 Protection circuit for protecting voltage source converter
12/11/2014US20140362478 Power system and short-circuit protection circuit thereof
12/10/2014CN204013322U 一种电机智能节电器 A motor Smart Saver
12/10/2014CN204013200U 一种适用于三电平变流器用igbt驱动电路 One for three-level converter Used igbt driver circuit
12/10/2014CN204013143U 圆筒式磁感应智能保护型调速器 Cylindrical magnetic induction type intelligent protection governor
12/10/2014CN204012876U 车载手机无线充电器温度控制系统 Car charger wireless temperature control system
12/10/2014CN204012866U 工业生产中的电源控制装置 Industrial production of the power supply control means
12/10/2014CN204012829U 一种电动车辆充电控制器的保护电路 An electric vehicle charging protection circuit controller
12/10/2014CN204012779U 高压电池组的安全保护电路 Security protection circuit high voltage battery pack
12/10/2014CN204012756U 动力锂电池组管理保护装置 Power lithium battery protection device group management
12/10/2014CN204012741U 一种电力输送系统 A power delivery system
12/10/2014CN204012701U 一种配电网单相接地故障识别控制器 Distribution networks of single-phase ground fault recognition controller
12/10/2014CN204012686U 一种具有防雷功能的串行接口电路 A serial interface circuit with lightning function
12/10/2014CN204012685U 一种10kV电网接地故障处理设备 The 10kV grid ground fault handling equipment
12/10/2014CN204012684U 具备自复位功能的多相过压/欠压故障保护装置 With self-reset function multiphase overvoltage / undervoltage fault protection device
12/10/2014CN204012683U 一种用于含有分布式电源配电网的逆功率保护系统 A reverse power protection systems containing distributed power distribution network
12/10/2014CN204012682U 便携式220千伏线路临时保护装置 Portable 220-volt line temporary protection
12/10/2014CN204012681U 电力系统、直流/交流逆变器和控制电路 Power systems, DC / AC inverter and control circuit
12/10/2014CN204012680U 信号调理电路及其组成的断路器的智能控制电路 Intelligent control circuit signal conditioning circuit breaker and composition
12/10/2014CN204012679U 三相光伏并网逆变器自动断路装置 Three-phase photovoltaic grid-connected inverter automatic disconnection device
12/10/2014CN204012678U 一种配电网多模接地保护系统 Distribution Network multimode ground protection systems
12/10/2014CN204012677U 一种用于继电保护装置的交直流自适应操作电路 AC-DC An adaptive operation of the circuit protection devices
12/10/2014CN204012676U 一种电池检测和保护电路 A battery detection and protection circuit
12/10/2014CN204012675U 一种具有多重保护功能的电池保护系统 A battery protection system has multiple protection features
12/10/2014CN204012674U 一种蓄电池过放电保护装置 A battery discharge protection device
12/10/2014CN204012673U 用于蓄电池的过放电保护电路 For battery over-discharge protection circuit
12/10/2014CN204012672U 一种输变电系统中无功补偿的保护装置 One kind of power transmission system reactive power compensation device protection
12/10/2014CN204012671U 电容器组保护装置 Capacitor Bank Protection
12/10/2014CN204012670U 电动机防晃电保护器 Anti-shake electric motor protection
12/10/2014CN204012669U 改进的变频电动机温度保护控制器 Improved frequency motor temperature protection controller
12/10/2014CN204012668U 带有保护电路的永磁电机 Permanent magnet motor with a protection circuit
12/10/2014CN204012667U 一种电机驱动器防护电路 A motor drive circuit protection
12/10/2014CN204012666U 电动机保护装置主控制器的安装结构 Mounting structure of the main controller motor protection device
12/10/2014CN204012665U 一种用于石油加工中搅拌电机的失磁和过流保护电路 A petroleum processing magnetic stirring motor loss and over-current protection circuit
12/10/2014CN204012664U 一种电动机保护器 A motor protector
12/10/2014CN204012663U 一种电动机保护器盒盖 A motor protection cover
12/10/2014CN204012662U 一种连键式电动机保护装置 One kind of motor protection device with keys
12/10/2014CN204012661U 一种电机驱动保护电路 A motor driver protection circuit
12/10/2014CN204012660U 一种基于屏柜温度实时监测的变压器保护装置 A transformer cubicle temperature protection device based on real-time monitoring
12/10/2014CN204012659U 微波炉及其安全保护电路 Microwave and safety protection circuit
12/10/2014CN203992757U 一种电焊机的过压保护电路 One kind of welding overvoltage protection circuit
12/10/2014CN104205593A 电源装置 Power supply unit
12/10/2014CN104205544A 使用混合电路断路器的转换开关作为选择器开关 Using hybrid circuit breaker switch as a selector switch
12/10/2014CN104201936A 抽油机的电动机控制柜 Pumping motor control cabinet
12/10/2014CN104201912A 一种ac-dc变换器、电源板和显示装置 One kind of ac-dc converters, power panels and display devices
12/10/2014CN104201765A 一用一备动力类应急电源 One with an emergency power supply equipment and power
12/10/2014CN104201660A 一种基于方向行波积分比较原理的三角形环网暂态量单元保护方法 Based on the direction of the traveling wave integral comparison principle triangular ring unit Transient Protection Method
12/10/2014CN104201659A 中压系统电网保护装置及方法 Medium voltage grid protection device and method
12/10/2014CN104201658A 一种基于虚拟制动电流的输电线路差动保护方法 Transmission line differential protection method based virtual braking current
12/10/2014CN104201657A 基于功率方向判断的配电线路双向闭锁保护方法 Judgment based on the power distribution line direction bi lockout protection methods
12/10/2014CN104201656A 一种带可控串联补偿器输电线路利用电流暂态量进行测后模拟的纵联保护办法 A tape controlled series compensation transmission lines by using the transient current amount of longitudinal protection measures modeled after the test
12/10/2014CN104201655A 一种无人值守变电站自动保护系统 A unmanned substation automatic protection system
12/10/2014CN104201654A 一种电池组均衡保护系统及方法 A battery pack balanced protection system and method
12/10/2014CN104201653A 一种有分段电压处理功能的电池欠压保护电路及保护方法 A kind of sub-voltage handling capabilities of the battery voltage protection circuit and protection methods
12/10/2014CN104201652A 一种电源保护控制方法 A power protection control method
12/10/2014CN104201651A 一种发电机智能灭磁控制方法 Intelligent control method for de-excitation generator
12/10/2014CN104201650A 基于电流调整的区域差动保护方法 Differential protection method based on the region's current adjustment
12/10/2014CN104201644A 过压保护电路以及过压保护的方法 Overvoltage protection circuit and method of
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