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
12/24/2014CN204046144U 一种电源适配器的过流保护电路 Overcurrent protection circuit of a power adapter
12/24/2014CN204046143U 安装于按摩椅上的电机保护电路 Installed in the massage chair motor protection circuit
12/24/2014CN204046142U 一种星三角启动电路的火灾预警装置 A star delta starter circuit fire warning device
12/24/2014CN204046141U 一种带整定参数预调装置的电动水泵智能保护器 A tape tuning parameter presetting device smart electric water pump protection
12/24/2014CN204046140U 船用逆功率和过流保护模块 Marine reverse power and overcurrent protection module
12/24/2014CN204046139U 具有跳闸检测功能的站用变压器分接开关保护装置 The station has a trip detection transformer tap-protection device
12/24/2014CN204046138U 电感保护器 Inductor protection
12/24/2014CN204045947U 一种具有自保护功能的智能分界开关 A kind of self-protection feature intelligent demarcation switch
12/24/2014CN204044288U 一种带分支故障隔离开关的电网 A branch of the grid with fault isolation switch
12/24/2014CN104247262A 高压dc断路器设备 High voltage dc breaker
12/24/2014CN104247234A Dc-dc转换器装置 Dc-dc converter device
12/24/2014CN104247192A 蓄电池场断开方法 Disconnect the battery field method
12/24/2014CN104247191A 离线电源 Offline Power
12/24/2014CN104246522A 用于检测hvdc输电系统中的故障的方法和设备 Method and apparatus for detecting hvdc transmission system failures
12/24/2014CN104242785A 功率转换系统与过电压保护和反向电动机速度控制的方法 The method of power conversion systems and over-voltage protection and reverse motor speed control
12/24/2014CN104242715A 一种Class E结构的无线输电装置用高频电源设备 Wireless transmission apparatus Class E structure with a high-frequency power supply
12/24/2014CN104242714A 一种Class D结构的无线输电装置用高频电源设备 Wireless transmission apparatus Class D structure of the high-frequency power supply
12/24/2014CN104242703A 一种恒流限流型逆变器 One kind of constant current limiting type inverter
12/24/2014CN104242697A 一种开关电源电路和装置 A switching power supply circuits and devices
12/24/2014CN104242453A 一种用于主电网母线的电压告警方法 Voltage warning method for mains bus
12/24/2014CN104242427A 一种汽车应急启动电源 An automobile emergency start power
12/24/2014CN104242366A 一种加装有防过充电功能的电路板的12伏蓄电池 One kind of installation of anti-overcharging function circuit board 12-volt battery
12/24/2014CN104242276A 一种新型变压器直流偏磁抑制装置 A new transformer DC bias suppression devices
12/24/2014CN104242274A 含分布式电源配电网的状态量差动保护方法 State containing the amount of distributed power distribution grid differential protection methods
12/24/2014CN104242273A 用于含逆变型dg配电网的自适应正序电流速断保护方法 Adaptive positive sequence current speed inverter type containing dg distribution network protection method for breaking
12/24/2014CN104242272A 一种用电管理器 An electrophotographic Manager
12/24/2014CN104242271A 220kV电网线路保护拒动的处理方法 220kV power line protection tripping of treatment
12/24/2014CN104242270A 一种被动式防孤岛保护防误动方法 A passive anti-islanding protection against mal method
12/24/2014CN104242269A 配电系统和供电系统 Distribution system and power supply system
12/24/2014CN104242268A 一种三区域电流差动保护方法 A three regional current differential protection method
12/24/2014CN104242267A 一种风力发电送出输电线路距离保护方法 A wind power transmission line distance protection method sent
12/24/2014CN104242266A 一种防误动的本体三相不一致保护的电路设计 Malfunction of an anti-body three-phase circuit protection design inconsistencies
12/24/2014CN104242265A 一种直流配电网全固态直流断路器 A DC-DC circuit breaker distribution network all solid
12/24/2014CN104242264A 用于三相电路的电弧故障保护装置 Arc fault protection device for three-phase circuits
12/24/2014CN104242263A 带故障电弧保护功能报警的断路器 Arc fault protection circuit breakers with alarm
12/24/2014CN104242262A 一种基于故障分量均值积的快速母线保护方法 A fast bus protection method based on fault component mean plot
12/24/2014CN104242261A 一种适用于t接输电线路差动保护功能投退的控制方法 A suitable method for controlling transmission line t pick differential protection cast back in
12/24/2014CN104242260A 一种基于风险指标的定时限保护定值优化方法 To protect the value of a definite time optimization method based on risk indicators
12/24/2014CN104242259A 一种配电网故障断面增量存储方法 A grid fault section with incremental storage method
12/24/2014CN104242258A 基于EtherCAT的煤矿井下防越级跳闸系统及其方法 EtherCAT-based anti-coal mine grade trip system and method
12/24/2014CN104242257A 一种环网柜单元间协同保护的方法和装置 A method and apparatus ring synergy between the cabinet unit protected
12/24/2014CN104242256A 断路器的区域选择性连锁方法、装置和系统 Regioselective chain method, apparatus and system of circuit breaker
12/24/2014CN104242255A 一种gis同频同相交流耐压试验控制保护方法及系统 One kind gis same frequency and phase AC voltage test method and system control and protection
12/24/2014CN104242254A 一种大功率igbt温度采样保护电路 One kind of high-power igbt sampling temperature protection circuit
12/24/2014CN104242253A 一种基于锂电池保护板上ptc保护电路 Based on lithium battery protection circuit board ptc protection
12/24/2014CN104242252A 电池过放保护电路 Battery over-discharge protection circuit
12/24/2014CN104242251A 具有温度保护功能的电池 The battery has a temperature protection
12/24/2014CN104242250A 一种模块化多电平换流器的继电保护方法及系统 A modular multi-level inverter relay protection method and system
12/24/2014CN104242249A 一种开关电源的保护电路 A switching power supply protection circuit
12/24/2014CN104242248A 多路电源监控与保护电路 Multi-channel power monitoring and protection circuits
12/24/2014CN104242247A 电动机保护启动器和型材切割机 Starter motor protection and profile cutting machine
12/24/2014CN104242246A 一种基于电流跟踪的直流有刷电机堵转保护装置及方法 Based on the current track of a brushed DC motor stall protection device and method
12/24/2014CN104242245A 发电机失步保护方法和装置 Generator step protection method and apparatus
12/24/2014CN104242244A 发电机励磁控制器 Generator excitation controller
12/24/2014CN104242243A 新型水轮发电机非正常关机的保护装置 Protection of new hydro abnormal shutdown
12/24/2014CN104242242A 电力系统末端变压器三侧纵差保护制动电流计算方法 Three-terminal side power system protection transformer differential braking current calculation method
12/24/2014CN104242241A YNd1变压器纵联差动保护电流相位补偿方法 YNd1 transformer longitudinal differential protection current phase compensation method
12/24/2014CN104242240A 特高压变压器空载合闸涌流及过电压抑制装置 UHV transformer no-load inrush current and over-voltage suppression devices
12/24/2014CN104242239A 一种基于温度、温升监测的干式并联电抗器保护方法 Dry shunt reactor protection method based on temperature, temperature monitoring
12/24/2014CN104242238A 一种电涌保护器监控装置 One kind of surge protector monitoring device
12/24/2014CN104242237A 保护定值输入设备和保护定值输入方法 To protect the value of input devices and to protect the value input method
12/24/2014CN104242224A 一种复合开关投入感性负载控制参数的设计方法 A composite switch into an inductive load control parameter design method
12/24/2014CN104241060A 电路保护装置 Circuit protection devices
12/24/2014CN104237714A 一种变电站过电压综合监测故障诊断设备及诊断方法 A voltage-integrated monitoring equipment troubleshooting and diagnostic methods substation too
12/24/2014CN103001199B 一种基于以太网的电流差动保护装置及其实现方法 A current differential protection and Ethernet-based implementation
12/24/2014CN102868237B 一种用于提高非接触式ic卡能量传输效率的电路 A method for improving non-contact energy transmission efficiency ic card circuit
12/24/2014CN102790382B 一种限流软开断装置 One kind of limiting soft breaking device
12/24/2014CN102790360B 一种低压成套开关设备及其控制方法 A low pressure switch equipment and control method
12/24/2014CN102684308B 基于超导状态信息的配电网自愈系统及其方法 Distribution network based on self-healing system and method of the superconducting state information
12/24/2014CN102664568B 一种新型的针对三相交流电机运行方向控制的固态继电器及方法 A novel method for solid-state relays and three-phase AC motor direction control
12/24/2014CN102256411B 点亮装置及使用该点亮装置的照明器具 Lighting lighting device and use the lighting device
12/23/2014US8917486 Vibration generating apparatus
12/18/2014US20140368956 Apparatus, System, and/or Method for Intelligent Motor Protection and/or Control
12/18/2014US20140368309 Circuit protection device
12/18/2014US20140366829 Starter protector having delay circuit, delay circuit thereof and mobile vehicle
12/17/2014CN204030681U 锂离子电池充电过流保护电路 Lithium-ion battery charging current protection circuit
12/17/2014CN204030647U 一种移动电源 A mobile power
12/17/2014CN204030643U 用于电池管理和保护的系统及设备 For battery management and protection systems and equipment
12/17/2014CN204030577U 一种用于直流电机的浪涌冲击防护电路和空调器 A DC surge protection circuitry and the impact of air conditioners
12/17/2014CN204030567U 用于三相电路的电弧故障保护装置 Arc fault protection device for three-phase circuits
12/17/2014CN204030566U 带缺相保护的断路器 With the lack of protection of the circuit breaker
12/17/2014CN204030565U 台区低压变压器配电箱保护装置 Taiwan area distribution box low-voltage transformer protection devices
12/17/2014CN204030564U 电源电池保护装置 Power battery protection device
12/17/2014CN204030563U 一种dc-dc模块电源低阻自动故障隔离开关 One kind of dc-dc module power supply low resistance automatic fault isolation switch
12/17/2014CN204030562U 一种开关电源的欠压保护电路 Undervoltage protection circuit is a switching power supply
12/17/2014CN204030561U 隔离开关智能控制器 Disconnectors intelligent controller
12/17/2014CN204030560U 一种斯特林电机的自动防护装置 An automatic protective devices Stirling motor
12/17/2014CN204030559U 用于保护电机驱动的amt变速箱短路的控制装置 The control apparatus for protecting motor-driven short-amt gearbox
12/17/2014CN204030558U 一种用于发电机上的低频过压低机油位保护装置 A low-frequency generator down on excessive oil level protection device
12/17/2014CN204030557U 一种发电机抛负载保护电路及车载发电机 An electric generator and load dump protection circuit board generator
12/17/2014CN204030556U 变压器中性点电阻接地装置 Transformer neutral grounding resistor
12/17/2014CN204025089U 潜水泵 Submersible Pump
12/17/2014CN104221267A 开关转换电源装置 Switching power supply unit
12/17/2014CN104218785A 一种有源功率因数校正系统 An active power factor correction systems
12/17/2014CN104218781A 功率因数校正电路的过电流保护方法及系统 Power factor correction circuit overcurrent protection method and system
12/17/2014CN104218633A 电池管理和保护系统 Battery management and protection system
12/17/2014CN104218624A 锂电池充电电路以及灯具 Lithium battery charging circuit and fixtures
12/17/2014CN104218576A 一种重合闸电力系统暂态稳定性波动方法 A reclosing system transient stability of power fluctuation method
12/17/2014CN104218563A 一种中性点经多电平变流器接地的配电网故障消弧方法 A neutral point by the multi-level converter ground distribution network fault arc suppression method
12/17/2014CN104218549A 含逆变型分布式电源配电网的相间短路保护方法 Phase short circuit protection methods including inverter type distributed power distribution network
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ... 328