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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11/30/2011 | CN202059165U 一种在线检测igbt器件短路和开路故障的控制器 An online detection devices igbt short and open faults controllers |
11/30/2011 | CN202059164U 充电器接反、短路保护电路 Chargers reversed, short circuit protection |
11/30/2011 | CN202059163U 电压侦测型充电电池保护装置 Rechargeable battery voltage detection protection device |
11/30/2011 | CN202059162U 充电电池保护装置 Rechargeable battery protection device |
11/30/2011 | CN202059161U 带开关的锂电池组保护装置 Lithium battery protection device with switch |
11/30/2011 | CN202059160U 一种强迫关断型桥式固态限流器 A form of forced shutdown type bridge SSFCL |
11/30/2011 | CN202059159U 一种新型超速开关 A new speed switch |
11/30/2011 | CN202059158U 直流无刷电机交流进线保护器 Brushless DC motors AC line protection |
11/30/2011 | CN202059157U 带航空插件伺服控制回路的检测保护装置 With aviation plug the servo control circuit protection device detection |
11/30/2011 | CN202059156U 一种电子镇流器异常保护电路 An electronic ballast abnormal protection circuit |
11/30/2011 | CN202059153U 适于过流反时限保护电路的漏电保护器 Suitable for inverse time overcurrent protection circuit leakage protection |
11/30/2011 | CN202059152U 适于实时参数显示的漏电保护器 Leakage protection parameters suitable for real-time display |
11/30/2011 | CN202059150U 适于设置地址的漏电保护器 Suitable for setting the address of leakage protection |
11/30/2011 | CN202059149U 适于重合闸控制电路的漏电保护器 Suitable for reclosing control circuit leakage protection |
11/30/2011 | CN202059141U 一种重合闸远方投退继电器 One heavy cast back closing the distance relay |
11/30/2011 | CN102265449A 用于保护电池的浸入式传感器 Immersion sensors for the protection of the battery |
11/30/2011 | CN102263544A 一种带上电保护的igbt驱动电路 One kind of electrical tape to protect igbt driver circuit |
11/30/2011 | CN102263432A 涌余锂电池蓄电池组 Chung Yu lithium batteries |
11/30/2011 | CN102263426A 太阳能发电装置 Solar power plant |
11/30/2011 | CN102263401A 电源装置 Power supply unit |
11/30/2011 | CN102263400A 蓄电池保护电路和混合电源设备 Battery protection circuits and hybrid power equipment |
11/30/2011 | CN102263399A 用于智能功率模块的异常保护电路 Abnormal protection circuitry for intelligent power modules |
11/30/2011 | CN102263398A 控制方法、电源控制方法以及电源控制器 Control method, the power supply control method, and a power controller |
11/30/2011 | CN102263303A 模块化锂动力电池及其管理系统和管理方法 The modular lithium battery and its management system and management methods |
11/30/2011 | CN102261914A 一种陀螺寻北仪 One kind of gyroscope north finder |
11/30/2011 | CN102261913A 一种陀螺寻北仪及其马达的供电方法 A power supply method Gyro North Finder and motors |
11/30/2011 | CN101710688B 一种评估高抗中性点小电抗耐受电流的方法 A method of assessing high resistance to neutral small reactors withstand current |
11/30/2011 | CN101673951B 一种晶闸管阀触发与监测系统 Thyristor valve trigger and monitoring systems |
11/30/2011 | CN101626153B 电池保护电路及其保护方法 Battery protection circuit and protection methods |
11/30/2011 | CN101523692B 断路器的分合控制系统 Switching control system of circuit breaker |
11/30/2011 | CN101350516B 保护储能装置的电路及方法 Protection circuit and method of energy storage devices |
11/29/2011 | US8069000 Aging status diagnostic apparatus for power conversion system, and method thereof |
11/29/2011 | US8068958 Method for monitoring the adjustment movement of a component driven by a drive device |
11/29/2011 | US8068937 Power distribution system with fault protection using energy packet confirmation |
11/29/2011 | US8068352 Power inverter control for grid-tie transition |
11/29/2011 | US8068320 Network unit including network transformer and network protector |
11/29/2011 | US8067915 Electronic control circuit for a powered appliance drawer |
11/29/2011 | CA2542724C Single-sensor microcontroller-based approach for ground fault circuit interrupters |
11/24/2011 | WO2011143994A1 Distribution network metering and protecting integration device suspending on high-voltage side |
11/24/2011 | WO2011086019A3 A fault tolerant electrical machine |
11/24/2011 | WO2010086729A3 System and method for determining stator winding resistance in an ac motor using motor drives |
11/24/2011 | US20110287942 Fault current superconductive limiter |
11/24/2011 | US20110286133 Fault Clearing Method for Permanent Magnet Machines |
11/24/2011 | US20110285339 Heat removal from motor components |
11/24/2011 | US20110285335 Motor drive device |
11/24/2011 | US20110285334 Method for operating a brushless motor |
11/24/2011 | DE102011001762A1 Motorsteuervorrichtung The motor control apparatus |
11/23/2011 | EP2388898A2 Motor drive device with fail safe unit |
11/23/2011 | EP2388879A1 Protection of power lines |
11/23/2011 | EP2387829A1 Communication method and system |
11/23/2011 | CN202050382U Electronic type transfer switch for transformer |
11/23/2011 | CN202050378U Agricultural motor remote control device |
11/23/2011 | CN202050366U Forward structure switch power supply circuit |
11/23/2011 | CN202050363U Direct-current converter for pure electric vehicle |
11/23/2011 | CN202050235U Battery reverse-connection protection circuit and lamp |
11/23/2011 | CN202050234U Crane load limiter with built-in sensor |
11/23/2011 | CN202050233U Automatic electric motor protector |
11/23/2011 | CN202050232U Overheating protector of transformer |
11/23/2011 | CN202050231U Built-in detecting device of surge protector |
11/23/2011 | CN202050230U Surge protector with monitoring function |
11/23/2011 | CN102257697A Life safety device with extended shelf life |
11/23/2011 | CN102257694A Power grid outage and fault condition management |
11/23/2011 | CN102256411A Illuminating device and lighting device using same |
11/23/2011 | CN102255585A Motor drive device |
11/23/2011 | CN102255584A Free-position sensor motor controller applied to artificial heart system |
11/23/2011 | CN102255510A Direct-current converter |
11/23/2011 | CN102255488A Frequency converter stopping device |
11/23/2011 | CN102255391A Feeder automation system with on-line protective fixed value setting function |
11/23/2011 | CN102255375A On-line monitoring system for operational condition of redundancy transmission line |
11/23/2011 | CN102255363A Charging circuit topology for solar controller under comprehensive protection and control method thereof |
11/23/2011 | CN102255357A Portable wireless decoding receiver |
11/23/2011 | CN102255295A Electric leakage protection method for coal mine based on current principle of compensation grounding reactance branch |
11/23/2011 | CN102255294A Voltage acceleration inverse time-delay over-current protection method used for micro power grid |
11/23/2011 | CN102255293A Single-ended electrical quantity full-line quick-action protection method for recognizing faults inside and outside high-voltage direct-current transmission line region |
11/23/2011 | CN102255292A High-voltage transmission line distance protection method based on parametric recognition |
11/23/2011 | CN102255291A Simulation after test method for pilot protection of alternating-current transmission line based on Bergeron model |
11/23/2011 | CN102255290A Current adaptive protecting method |
11/23/2011 | CN102255289A Thyristor alternating current power regulator control system and application thereof in electrical heating temperature control |
11/23/2011 | CN102255288A Pair of 3D (3-dimensional) glasses and charging protector thereof |
11/23/2011 | CN102255287A Circuit for preventing current from flowing backwards |
11/23/2011 | CN102255286A Protection circuit system of motor |
11/23/2011 | CN102255285A Reversing protection method and device for motor of alternating-current and direct-current diesel locomotive |
11/23/2011 | CN102255284A Method for realizing protection of transformer by comparing polarities of instantaneous values of current fault components |
11/23/2011 | CN102255283A Current fault component vector phase comparison protection method |
11/23/2011 | CN102255282A Temperature control method for permanent magnet synchronous motor and intelligent power unit system of pure electric vehicle |
11/23/2011 | CN102253292A RTDS-based platform and method for function test of circuit protective relaying device |
11/23/2011 | CN101609980B Method for realizing circuit optical fiber longitudinal differential protection by matching electronic mutual inductor and electromagnetic mutual inductor |
11/23/2011 | CN101534001B Method for detecting distribution network short circuit fault and restoring power supply in non-broken-down section |
11/23/2011 | CN101425678B Battery protection method and system |
11/23/2011 | CN101251568B System and method for determining location of phase-to-earth fault |
11/23/2011 | CN101005204B System and method of operating double fed induction generators |
11/22/2011 | US8063597 Electric circuit providing protection from transients |
11/22/2011 | US8063590 Method and apparatus for detecting blocking of a direct current motor |
11/22/2011 | US8063506 Car power source apparatus |
11/22/2011 | CA2376911C One or all phases recloser control |
11/17/2011 | WO2011141473A1 Protection device to be associated with a current cutout device in an electrical circuit with increased lifetime |
11/17/2011 | US20110279930 Switching regulator control circuit |
11/17/2011 | US20110279074 Electric motor stator winding temperature estimation systems and methods |
11/17/2011 | US20110279070 Motor driving device and electric equipment using the same |
11/17/2011 | US20110279062 Dc power supply unit and led lighting apparatus |