Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031)
06/2014
06/18/2014CN203660496U 一种用于真空管打火的保护电路 A vacuum tube ignition protection circuit
06/18/2014CN203660495U 一种led驱动器的短路保护电路 One kind of led drive short-circuit protection
06/18/2014CN203660494U 利用单个igbt管实现在交流电路中快速断路保护的装置 Igbt realized using a single tube in an AC circuit breaker protection means fast
06/18/2014CN203660493U 过流保护装置及过流保护控制设备 Overcurrent protection and overcurrent protection control equipment
06/18/2014CN103872674A Distribution system and distribution unit
06/18/2014CN103872667A Circuit current differential protection method preventing abnormal large number of combination unit
06/18/2014CN103872654A Multiple-protection constant-power electronic transformer
06/18/2014CN103872643A Anti electric wall circuit for leakage protection switch and application of the same
06/18/2014CN103872642A Three-phase alternating current unbalance degree and phase loss detection protective transformer
06/18/2014CN103872641A Power-on automatic switch-on device for alternating-current external line after power failure
06/18/2014CN103872640A Rapid offline fault self-healing control method of power distribution automation terminal unit
06/18/2014CN103872639A Anti-countercurrent contact-free direct current intelligent switch
06/18/2014CN103871799A Hundred thousand secondary self-restoration fuse and semi-self-restoration circuit
06/18/2014CN103869201A Interface connection deviation detection and protection circuit
06/18/2014CN102570380B Protection device for power failure control charging system by using igniter
06/18/2014CN102427223B Method for judging lock by zero sequence voltage and current
06/18/2014CN102204050B Differential protection method and differential protection device
06/18/2014CN102124621B Method for operating a fault-current circuit breaker, and fault-current circuit breaker
06/18/2014CN102124619B Electric apparatus
06/17/2014US8756023 Systems and methods for determining electrical ground faults
06/17/2014US8755159 System of current protection of a primary electrical distribution box
06/17/2014US8755157 Integrated circuit device and electrostatic discharge protecting circuit thereof
06/17/2014US8755155 Device and a method for protecting a link in a medium, high, or very high voltage electrical network
06/12/2014WO2014087442A1 Electricity storage system
06/12/2014WO2014087326A1 A protection and control apparatus with a programmable display
06/12/2014WO2014087205A1 A self supplied protection relay with a module to boost performance
06/12/2014WO2014086617A1 Measuring arrangement for measuring an effective value of an ac voltage in a handheld power tool
06/12/2014WO2014086231A1 Overvoltage protection device and method
06/12/2014WO2014060085A3 Method of operate is-limiters in ring systems
06/12/2014US20140160609 Short-circuit protection circuit of light emitting diode and short-circuit protection method thereof and light emitting diode driving apparatus using the same
06/12/2014US20140160603 Circuit interrupter including supervisory function for protective function and hardware circuit repetitive test function
06/12/2014US20140160600 Reverse voltage condition protection in a power supply system
06/12/2014US20140160356 Data processing device and method
06/12/2014DE102013204638A1 Vorrichtung zur Erfassung von Fehlerströmen Device for detecting fault currents
06/12/2014DE102012222895A1 Schutzschaltung Protection circuit
06/11/2014EP2741390A1 Directional detection of a fault, in particular in a network with compensated or insulated neutral
06/11/2014EP2741389A1 Ground fault direction determination for medium or high voltage distribution networks
06/11/2014EP2741093A1 Ground fault detection device, ground fault detection method, solar energy system, and ground fault detection program
06/11/2014DE202014002001U1 Netzkabel für LED-Beleuchtungsvorrichtungen Power cord for LED lighting devices
06/11/2014CN203645351U 充电电路和具有该充电电路的充电器 The charger has a charging circuit and a charging circuit
06/11/2014CN203645314U 高压开关柜温度保护结构 High Voltage Switchgear temperature protection structure
06/11/2014CN203645307U 三相漏电保护器控制电路 Three-phase leakage protection control circuit
06/11/2014CN203645306U 漏电停电保护器 Leakage power protection
06/11/2014CN203645305U 停电自动断开开关 Automatic power cut off switch
06/11/2014CN203645304U 智能失压脱扣控制器 Intelligent Controller loss of pressure release
06/11/2014CN203645303U 基于pwm控制的欠压脱扣器 Based pwm control of the undervoltage release
06/11/2014CN203645302U 一种输入电压监控电路及pos终端 An input voltage monitoring circuit and pos terminal
06/11/2014CN203645301U 一种带过电压保护机顶盒 A tape overvoltage protection set-top boxes
06/11/2014CN203645300U 一种车载电子产品的高、低压保护电路 High An automotive electronic products, low-voltage protection circuit
06/11/2014CN203645299U 一种硬件过载或短路保护电路及dc电源供电电路 A hardware overload or short circuit protection and dc power supply circuit
06/11/2014CN203645298U 一种硬件过载或短路保护电路及dc电源供电电路 A hardware overload or short circuit protection and dc power supply circuit
06/11/2014CN203645297U 一种接地故障保护装置和薄膜电池板 A method of ground fault protection devices and thin-film solar panels
06/11/2014CN203645296U 电动车的充电保护示警装置 Electric vehicle charging protection warning device
06/11/2014CN203645295U 开关量输出保护装置和系统 Switch output protection devices and systems
06/11/2014CN203645294U 本安输出控制模块 Intrinsically safe output control module
06/11/2014CN203645293U 智能断路器自动重合闸装置 Smart breaker automatic reclosing devices
06/11/2014CN203645292U 过压过流保护电路 Overvoltage overcurrent protection circuit
06/11/2014CN203645269U 带温度监控器的接线盒 Junction box with temperature monitor
06/11/2014CN203640973U 一种带有动力配电箱的喷淋泵 Spray pump with a power distribution box
06/11/2014CN103858298A Dc feeding protection relay device and failure detection method
06/11/2014CN103858297A Power charging device for electric vehicle
06/11/2014CN103857157A Lamp open circuit protective system
06/11/2014CN103855699A Novel surge protection device
06/11/2014CN103855698A Novel surge protection device
06/11/2014CN103855697A Novel SPD backup protection device
06/11/2014CN103855683A Universal intelligent power protection controller and protection method
06/11/2014CN103855682A Failure-proof control circuit chip and safe electric leakage protector
06/11/2014CN103855681A Lamp open circuit protective circuit
06/11/2014CN103855680A Alternating-current overvoltage protection device
06/11/2014CN103855679A Over-voltage protection circuit, driver and power supply comprising same, and over-voltage protection method
06/11/2014CN103855678A Overvoltage and undervoltage protection circuit of drive power source
06/11/2014CN103855677A Ground fault protection circuit of controller of eddy current retarder
06/11/2014CN103855676A Rapid current-limiting fuse protector of offshore platform power grid
06/11/2014CN103855675A Charging protection circuit of USB interface for automobile
06/11/2014CN103855674A Charging protection circuit of USB interface
06/11/2014CN103855673A Novel surge protection device
06/11/2014CN103855672A Residual current operation relay
06/11/2014CN103852993A Earth leakage circuit breaker and image forming apparatus
06/11/2014CN103845025A Dish washing machine and input voltage detection and protection circuit and method thereof
06/11/2014CN102687358B Power supply circuit and electric appliance
06/11/2014CN102647138B Rectifying voltage-stabilizing power supply device for underground turbine generator
06/11/2014CN102611084B Self-adaptive voltage protection method
06/11/2014CN102339585B Apparatus for driving light emitting device with over-current and over-voltage protection
06/10/2014US8749939 Method and system for shoot-through protection
06/10/2014US8749935 Protection circuit for lithium-ion battery
06/10/2014US8749934 Reverse current sensor
06/10/2014US8749933 Fault protection of HVDC transmission lines
06/10/2014US8749931 Electrostatic discharge protection apparatus
06/10/2014US8749929 Circuit interrupter providing ground fault protection and system including the same
06/10/2014US8749928 Aircraft electrical appliance
06/10/2014CA2504229C Electric current measuring device, current sensor, electric trip unit and breaking device comprising such a measuring device
06/05/2014WO2014085503A1 Dynamic current protection in energy distribution systems
06/05/2014WO2014084980A1 Prediction of electrical service interruption
06/05/2014WO2014083188A1 Residual-current circuit breaker
06/05/2014WO2014083073A1 Switching device having a measuring apparatus
06/05/2014WO2014082605A1 Manually reset overload and overtemperature protection power socket
06/05/2014WO2013166388A8 Electrical safety device
06/05/2014US20140153150 Dynamic current protection in energy distribution systems
06/05/2014US20140153146 Connection apparatus circuit and high voltage surge protection method thereof
06/05/2014US20140153145 Method and system for open neutral protection circuit
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