| 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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| 01/14/2015 | CN204103480U 一种充电器反接和短路保护电路 One kind of reverse polarity and short circuit protection Chargers |
| 01/14/2015 | CN204103469U 一种低压线路保护和测控装置 A low-pressure line protection and monitoring device |
| 01/14/2015 | CN204103468U 基于屏柜温度实时监测的新型站用变保护装置 Based on the real-time monitoring of temperature cubicle new station transformer protection devices |
| 01/14/2015 | CN204103467U 一种汽车仪表电路的保护电路 An automotive instrument circuit protection circuit |
| 01/14/2015 | CN204103466U 一种mos管型太阳能充电保护电路 One kind of mos tube solar charging protection circuit |
| 01/14/2015 | CN204103465U 动力锂电池的过温过压保护电路 Power lithium battery overtemperature protection circuit |
| 01/14/2015 | CN204103464U 仪表微功耗保护电路 Micropower Instrumentation protection circuits |
| 01/14/2015 | CN204103463U 一种无桥pfc转换器的过流保护电路 Pfc a non-bridge converter overcurrent protection circuit |
| 01/14/2015 | CN204103462U 适用于cigs光伏组件的光伏逆变器 Cigs photovoltaic modules suitable for PV inverters |
| 01/14/2015 | CN204103461U 开关电源的欠压保护装置和具有其的开关电源 Undervoltage protection switching power supply switching power supply and has its |
| 01/14/2015 | CN204103460U 开关电源的欠压保护装置和具有其的开关电源 Undervoltage protection switching power supply switching power supply and has its |
| 01/14/2015 | CN204103459U 电机综合保护器 Motor Protector |
| 01/14/2015 | CN204103458U 一种电动机保护装置盒盖 A motor protection cover |
| 01/14/2015 | CN204103457U 基于交流采样的水轮发电机同期及保护综合装置 Based on the comprehensive protection Hydro period and AC sampling device |
| 01/14/2015 | CN204103456U 一种用于励磁系统的灭磁回路 De-excitation circuit for excitation system |
| 01/14/2015 | CN204103455U 一种330kV变压器中性点接地保护装置 One kind of 330kV transformer neutral grounding protection device |
| 01/14/2015 | CN204103441U 一种电动机保护装置 A motor protection device |
| 01/14/2015 | CN204101643U 三相电状况检测装置和电机系统 Three-phase electric motor system status detection device and |
| 01/14/2015 | CN104285352A 具有电源的安全开关设备 With a power safety switch device |
| 01/14/2015 | CN104285350A 用于可调速驱动器中接地故障检测和保护的系统和方法 Adjustable speed drives for ground fault detection and protection system and method |
| 01/14/2015 | CN104283472A 电压调节器及其过低电压保护电路 Voltage regulator and low-voltage protection circuit |
| 01/14/2015 | CN104283197A 一种继电保护系统 One kind of protection system |
| 01/14/2015 | CN104283196A 一种确定过负荷与相间故障识别判据高限系数的方法 A method for determining excessive load and fault identification criteria and white high-limit factor |
| 01/14/2015 | CN104283195A 一种防止过度充电的蓄电池保护电路 A battery protection circuit prevents overcharging |
| 01/14/2015 | CN104283194A 具有故障保护功能的电路 Circuits with fault protection function |
| 01/14/2015 | CN104283193A 一种用tl431实现输出欠压过压关断的保护电路 One kind with tl431 achieve output undervoltage overvoltage shutdown protection circuit |
| 01/14/2015 | CN104283192A 一种电动环卫车电机保护装置 An electric sanitation trucks motor protection devices |
| 01/14/2015 | CN104283191A 发电机失磁保护方法和装置 Generators loss protection method and apparatus |
| 01/14/2015 | CN103269122B 一种配电自动化终端以及提高断路器可靠性方法 An electrical distribution automation terminal and improve the reliability of the method breaker |
| 01/14/2015 | CN103023134B 车载gps终端备用电池切换保护电路 Car gps terminal spare battery protection circuit switching |
| 01/14/2015 | CN102904229B 一种基于二次侧阻波器的配电网边界保护方法 Based on the secondary side of the distribution network traps border protection methods |
| 01/14/2015 | CN102858669B 安全电路和操作安全电路的方法 Safety circuit and method of operation of the safety circuit |
| 01/14/2015 | CN102684176B 一种基于终端设备检修的配电网网络化差动保护方法 Based on the distribution network terminal equipment maintenance network differential protection method |
| 01/14/2015 | CN102641204B 按摩器的电机堵转方法及按摩器 Massager motor stall method and massage |
| 01/14/2015 | CN102522732B 带有多路光纤接口的直流保护系统 DC protection systems with multiple optical interface |
| 01/08/2015 | WO2015002948A2 Motor control for stability and power supply protection |
| 01/08/2015 | WO2015000233A1 Differential protection apparatus based on break variable impedance principle |
| 01/08/2015 | WO2015000231A1 Different-phase two-point grounding short circuit selective tripping decision-making apparatuses for ungrounded and grounded systems |
| 01/08/2015 | WO2015000228A1 Bus protection method based on insulation resistance measurement |
| 01/08/2015 | WO2015000227A1 Bus protection method for quick locking in ct asymmetrical wire breakage |
| 01/08/2015 | US20150009599 Gate driving circuit and array substrate |
| 01/08/2015 | DE102014108801A1 Photovoltaikpanels mit Lichtbogenerkennungsfähigkeit und zugehörige Systeme und Verfahren Photovoltaic panels with arc detection capability and associated systems and methods |
| 01/08/2015 | DE102014008642A1 Temperaturschätzvorrichtung zum Schätzen der Temperatur eines Leistungshalbleiterchips und Motorsteuervorrichtung mit einer solchen Temperaturschätzvorrichtung Temperature estimation means for estimating the temperature of a power semiconductor chip and the engine control device having such a temperature estimating device |
| 01/08/2015 | DE102013213045A1 Vermeidung von Bremsmomenten bei permanenterregten Synchronmaschinen Avoid braking torques for permanent-magnet synchronous machines |
| 01/08/2015 | DE102013107088A1 Schaltungsanordnung zum Schutz von mindestens einem Bauteil eines Zweidrahtstromkreises Circuit arrangement for protection of at least one component of a two-wire circuit |
| 01/07/2015 | EP2822129A1 Circuit for fault protection |
| 01/07/2015 | EP2822126A1 Differential protection device for switchgear, and electrical switchgear comprising such a device |
| 01/07/2015 | EP2822125A1 Protection apparatus and method of verifying operation thereof |
| 01/07/2015 | EP2820756A1 High voltage dc circuit breaker apparatus |
| 01/07/2015 | EP2820734A1 Control circuit |
| 01/07/2015 | EP2820435A1 A method and an apparatus for detecting a fault in an hvdc power transmission system |
| 01/07/2015 | CN204089955U 一种带有防雷系统的摄像头 A camera with a lightning protection system |
| 01/07/2015 | CN204089652U 带温度熔断器的起动器 With temperature fuse starter |
| 01/07/2015 | CN204089306U 一种全自动智能快速充电机 A fully automated intelligent rapid charger |
| 01/07/2015 | CN204089294U 一种可验钞式移动电源 One kind of paper money can be mobile power |
| 01/07/2015 | CN204089180U 一种线路保护监测装置 A circuit protection monitoring device |
| 01/07/2015 | CN204089179U 辐射型配电网自愈控制系统 Radial Distribution Networks healing control system |
| 01/07/2015 | CN204089178U 电力系统绝缘故障切除装置 Power system insulation fault clearing equipment |
| 01/07/2015 | CN204089177U 一种带膨胀保护的新型锂电池保护电路 A new type of lithium battery protection circuit protection with expansion |
| 01/07/2015 | CN204089176U 电池组保护板电路、电池组保护板、电池组件 Battery protection circuit board, battery protection board, battery pack |
| 01/07/2015 | CN204089175U 一种开关电源的快速响应的过压保护线路 A switching power supply overvoltage fast response line |
| 01/07/2015 | CN204089174U 一种防潮开关电源装置及其电视 Switching power supply unit for a moisture resistant and TV |
| 01/07/2015 | CN204089173U 一种变频器直流母线电压保护电路 One kind of inverter DC bus voltage protection circuit |
| 01/07/2015 | CN204089172U 一种稳压器断电后电机回位控制系统 After a power outage regulator motor control system return |
| 01/07/2015 | CN204089171U 新型低压电动机保护装置 New low-voltage motor protection device |
| 01/07/2015 | CN204089170U 一种用于直流他励电机控制器励磁保护的门电路 Gate circuit for DC motor controller he excitation protection |
| 01/07/2015 | CN204089169U 一种电动机保护测控装置 A motor protection and control devices |
| 01/07/2015 | CN204089168U 中压变压保护系统 MV transformer protection system |
| 01/07/2015 | CN204089167U 一种箱式变压器保护测控装置 One kind of box-type transformer protection and monitoring device |
| 01/07/2015 | CN204089166U 智能pt电压重动并列装置 Smart move parallel pt voltage heavy equipment |
| 01/07/2015 | CN204079104U 力矩电机张力保护装置 Tension torque motor protection devices |
| 01/07/2015 | CN104272581A 同步发电机控制、发电机系统和船舶能量系统 Synchronous generator controls, generator systems and marine energy systems |
| 01/07/2015 | CN104270043A 一种无刷电机的控制与驱动智能保护方法及装置 An intelligent control and drive brushless motor protection method and apparatus |
| 01/07/2015 | CN104270001A 数字式直流试验电源 Digital DC Power Supply Test |
| 01/07/2015 | CN104269907A 一种移动电源 A mobile power |
| 01/07/2015 | CN104269862A 一种高压无功补偿装置 A high voltage reactive power compensation device |
| 01/07/2015 | CN104269848A 一种串补控制保护与继电保护的协调控制方法 A coordinated series compensation control method protection and protection of |
| 01/07/2015 | CN104269833A 一种含dg配电网保护方案 A distribution network protection solutions containing dg |
| 01/07/2015 | CN104269832A 一种自适应单相重合闸控制装置及方法 An adaptive single-phase reclosing control device and method |
| 01/07/2015 | CN104269831A 一种输电线路中通过识别过负荷与故障的距离保护方法 One kind of transmission lines by identifying overload and fault distance protection methods |
| 01/07/2015 | CN104269830A 一种基于双矢量角的并网光伏系统孤岛保护方法 Based on dual vector angle and grid-connected photovoltaic system islanding protection methods |
| 01/07/2015 | CN104269829A 自适应阈值短路保护电路 Adaptive threshold short circuit protection |
| 01/07/2015 | CN104269828A 高压断路器储能驱动电机的保护回路 High voltage circuit breaker storage drive motor protection circuit |
| 01/07/2015 | CN104269827A 一种换流变压器大差比率差动保护励磁涌流的闭锁方法 Locking the big difference between a rate differential transformer inrush current protection commutation |
| 01/07/2015 | CN104269826A YNd3接线变压器纵联差动保护电流相位补偿方法 YNd3 connection transformer longitudinal differential protection current phase compensation method |
| 01/07/2015 | CN104269825A 变压器超高压过电压绝缘刀闸杆自动投切装置及控制方法 EHV transformer over-voltage insulated knife rod device and method for controlling automatic switching |
| 01/07/2015 | CN104269824A 主变压器中压侧死区故障判断方法及后备保护方法 Dead lateral fault diagnosis method and the method of the main transformer backup protection MV |
| 01/07/2015 | CN103187719B 一种输电线路相间故障全分量电压保护方法 One kind of transmission line phase faults whole component voltage protection methods |
| 01/07/2015 | CN103178588B 一种矿用瓦斯管道不间断直流电源 One kind of mine gas pipeline uninterruptible DC power supply |
| 01/07/2015 | CN103094889B 一种基于附加阻抗实测修正的线路单相接地故障阻抗距离保护方法 An impedance distance protection based on the measured impedance correction additional single-phase ground fault circuit |
| 01/07/2015 | CN102983587B 具有超速保护的风力发电系统及其操作方法 Wind power generation system and method of operation has overspeed protection |
| 01/07/2015 | CN102938557B 一种用于电源管理系统的新型使能控制电路 A novel power management system so that the control circuit |
| 01/07/2015 | CN102916406B 区域网络化差动保护自适应制动方法 LAN-based adaptive brake differential protection method |
| 01/07/2015 | CN102916404B 一种区域电网网络化变范围的差动保护方法 Of a regional power grid network variable range of differential protection methods |
| 01/07/2015 | CN102904222B 区域电网保护配置方法 Regional grid protection configuration |
| 01/07/2015 | CN102901943B 一种基于区域电网的采样数据异常检测及过电流保护方法 An area of the grid-based sampling data anomaly detection and over-current protection methods |
| 01/07/2015 | CN102882341B 手持式外转子无刷电动工具 Handheld outer rotor brushless electric tools |
| 01/07/2015 | CN102832602B 提高分布式馈线自动化故障判定可靠性的方法 Distributed feeder automation to improve the reliability of the fault determination method |
| 01/07/2015 | CN102684172B 基于虚拟母线实现分段死区保护的母差保护方法 Bus achieve segmentation based virtual dead-protected bus differential protection methods |
| 01/07/2015 | CN102684151B 双冗余a/d采样信号有效性判断方法及继电保护方法 Dual redundant a / d sampling method and relay signals to determine the effectiveness of the method |