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)
10/2012
10/04/2012WO2012130846A1 Residual-current circuit breaker
10/04/2012WO2012130328A1 A switch mode current limiter
10/04/2012US20120250206 Compact residual current breaker with overcurrent protection
10/04/2012US20120250204 Protection circuit and input/output circuit
10/04/2012US20120250203 Voltage detection apparatus and combination circuit
10/04/2012US20120250202 Multiple Phase Circuit Testing Closer Method
10/04/2012US20120250201 Methods and Arrangements in a Power Supply System
10/04/2012US20120250193 Reset lockout with grounded neutral test
10/04/2012US20120249012 Method and system for supplying multiple led drivers using the same traic dimmer
10/04/2012DE102012205038A1 Einrichtung zum Korrigieren einer Gleichstromvorspannung für Leckstrom Means for correcting a DC bias voltage for leakage current
10/04/2012DE102011084362A1 Vorrichtungen und Verfahren zum sicheren Fahr-, Lade- und Rückspeisebetrieb eines Elektrofahrzeugs Devices and methods for safe driving, loading and regenerative operation of an electric vehicle
10/04/2012CA2831992A1 Residual-current circuit breaker
10/03/2012CN202475327U Automatic alarm control device of motor
10/03/2012CN202475272U Electric energy feedback type power supply aging device
10/03/2012CN202474871U Low-voltage dynamic reactive compensation device
10/03/2012CN202474850U Surge protective device
10/03/2012CN202474849U Swinging type removal-alarming surge-absorption protector
10/03/2012CN202474842U Three-phase phase variable current leakage operated protector
10/03/2012CN202474834U Comprehensively protecting and blocking circuit for IGBT drive
10/03/2012CN202474831U Lithium battery protection circuit
10/03/2012CN202474825U Low-voltage open-phase protected-type electrified display device
10/03/2012CN202474819U Over-current protection device for transformer main body
10/03/2012CN202474816U Active reverse connection prevention and protection circuit of solar battery
10/03/2012CN202474815U Overcurrent protection device for voltage transformer
10/03/2012CN202474813U Power converter
10/03/2012CN202474812U Computerized flat knitting machine nose component protective device
10/03/2012CN202474811U Zero sequence protection device
10/03/2012CN202474810U Multifunctional digital electric power instrument with high reliability power protection circuit
10/03/2012CN202474809U State indicating mechanism of surge protection device and surge protection device
10/03/2012CN202474808U Overvoltage protection circuit of vehicle-mounted power supply and vehicle-mounted multi-media playing equipment
10/03/2012CN202474807U Electronic over-voltage and under-voltage protection device
10/03/2012CN202474806U Lightning protection system
10/03/2012CN202474805U Safe energy-saving power distribution cabinet
10/03/2012CN202474804U Protective circuit for LNB power-supply short circuit
10/03/2012CN202474803U VDSL photoelectric safety protection unit
10/03/2012CN202474802U Current limit switch device
10/03/2012CN202474801U Single-line trip safe switch
10/03/2012CN202474800U Earth fault disconnection protector
10/03/2012CN202474550U Prepayment multifunctional high-voltage electric power metering tank
10/03/2012CN1348623B Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection
10/03/2012CN102714408A Electrical circuit with surge protection monitoring
10/03/2012CN102714406A Control system, transformer, security control device, and bitstream memory unit
10/03/2012CN102711309A LED (Light Emitting Diode) driving circuit and lamp
10/03/2012CN102709890A Distribution network protection method taking randomness of photovoltaic power station into consideration
10/03/2012CN102709889A Self-healing method and self-healing system for faults of power distribution network
10/03/2012CN102709883A Under-voltage protection circuit of switch power source
10/03/2012CN102709882A Short circuit protection circuit of direct current power supply provided with precharging function
10/03/2012CN102709877A Household appliance
10/03/2012CN102709876A Zero-voltage delay release
10/03/2012CN102709875A Under-voltage and over-voltage two-way release
10/03/2012CN102709874A High-voltage under-voltage release
10/03/2012CN102709873A Overvoltage protection device of electronic circuit
10/03/2012CN102709872A Overvoltage protection control device and method
10/03/2012CN102709871A Impulse current inhibiting circuit and supply circuit
10/03/2012CN102709870A Power supply protection circuit and electronic product
10/03/2012CN102709869A Short circuit protecting device
10/03/2012CN102709868A Textile machine with leakage protection device
10/03/2012CN102096999B Ultramicro power consumption stand-by remote control energy-saving controller
10/03/2012CN101938130B High voltage filter and dynamic reactive power compensation control system combining PPF with TSC and control method thereof
10/03/2012CN101908753B Current differential protection method automatically adaptive to variable frequency motor
10/03/2012CN101867175B Shutdown circuit of GPS vehicle-mounted position system with function of remote multi-domain automatic shutdown
10/03/2012CN101771259B Combined on-off control system
10/03/2012CN101471557B Digital current differential protection relay
10/02/2012US8280653 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same
10/02/2012US8279571 Electrical power switching with efficient switch protection
10/02/2012US8279570 ESD protection for RF circuits
10/02/2012US8279569 Apparatus for preventing over/under voltage, light emitting module, and display apparatus
10/02/2012US8279568 Charge pump switch power down protection
10/02/2012US8279567 Circuit breaker with improved re-closing functionality
10/02/2012US8279273 Endoscope apparatus
10/02/2012US8278882 Charging monitor
10/02/2012CA2562076C Inverter bridge short-circuit protection scheme
10/01/2012CA2736630A1 Failure resistant electric power storage and distribution
09/2012
09/27/2012WO2012127686A1 Ground fault detection circuit
09/27/2012WO2012127307A1 Earth leakage detection device
09/27/2012WO2012127007A1 Domestic appliance with protection circuit
09/27/2012WO2012126526A1 Determining the direction of intermittent earth faults in energy supply networks
09/27/2012WO2012064487A3 Thermal memory in a fault powered system
09/27/2012US20120243137 Graded resistance solid state current control circuit
09/27/2012US20120243130 Electric battery with multiple electrical energy generating elements
09/27/2012DE102011016140A1 Over-voltage protection circuit for control electronics circuit utilized for driving motor of electric power tool, has switch switched when breakdown voltage is reached, and safety device that is triggered when switch is switched
09/27/2012DE102011006042A1 Electrical device for onboard-electrical system of e.g. motor car to form conductive connection with external direct current sink, has external power supply pin electrically accessed from outside during starting stage of switch element
09/26/2012EP2502319A1 Method and apparatus for ground distance protection
09/26/2012EP2502318A1 Fuzzy interference relay and method for current differential protection of a transmission line
09/26/2012CN202455272U Power supply circuit with over-current protection
09/26/2012CN202455152U Multifunctional inverter circuit
09/26/2012CN202455064U Reverse-connection preventing alarm circuit
09/26/2012CN202455062U Surge protective device
09/26/2012CN202455057U Power supply protecting circuit
09/26/2012CN202455054U Override trip protection system for coal mine power grid
09/26/2012CN202455044U Power battery set possessing short circuit and overload protection function
09/26/2012CN202455042U Three-phase alternating-current motor control device
09/26/2012CN202455037U Strong current lapping protection device for communication power supply
09/26/2012CN202455036U Open-phase and phase sequence protector
09/26/2012CN202455035U Overlimit control device of setting current of high-voltage resistance furnace
09/26/2012CN202455034U Tripping circuit of inrush current controller for high-voltage switch
09/26/2012CN202455033U System for controlling power supplies by digital means
09/26/2012CN202455032U High voltage total loop of pure electric motor coach
09/26/2012CN202455031U Automobile over-current protector and automobile fuse box
09/26/2012CN202455030U Short-circuit protection alarm retaining circuit for electric circuit
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