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)
11/2009
11/11/2009	CN201345501Y Electric water heater electric shock prevention protective box
11/11/2009	CN201345457Y Plug used for air conditioner and provided with function of fault electric arc protection
11/11/2009	CN201345066Y High-precision automatic AC voltage regulator
11/11/2009	CN101578747A 功率滤波器 Power Filter
11/11/2009	CN101577431A Comprehensive household electricity-saving appliance
11/11/2009	CN101577413A Hydraulic valve control circuit and method for checking the function of a hydraulic valve control circuit
11/11/2009	CN101577412A Intelligent high-power electric appliance limiter
11/11/2009	CN101577411A Direct current system intelligent comprehensive relay
11/11/2009	CN101574804A Hairdressing hair direr with internal breaker
11/11/2009	CN100559678C System and method for protecting and controlling power converter with constant maximum current
11/11/2009	CN100559677C Over current protection system of the breaker and its operating method
11/11/2009	CN100559536C Current-leakage protection switch for forward non-buckle release machine
11/11/2009	CN100559316C 电路保护系统 Circuit Protection Systems
11/11/2009	CN100559309C Protection system for power distribution systems
11/10/2009	US7617254 Method and mechanism for relational access of recovery logs in a database system
11/10/2009	US7616424 Surge suppression module with disconnect
11/10/2009	US7616422 Over current protection circuit for power supplies
11/10/2009	US7616421 Electrical interface system
11/10/2009	US7616419 Switchgear control apparatus
11/10/2009	US7616417 Semiconductor device including protection circuit and switch circuit and its testing method
11/10/2009	US7616414 ESD protection circuit for high speed signaling including T/R switches
11/10/2009	US7616413 Leakage current interrupter
11/10/2009	CA2432512C Power tools
11/05/2009	WO2009135111A2 Fault detection for battery chargers
11/05/2009	WO2009132900A1 Method and device for computer-aided detection of jamming of an object
11/05/2009	WO2009132393A1 Transducer
11/05/2009	US20090273872 Fault detection for battery chargers
11/05/2009	US20090273866 Fault circuit interrupter with bi-directional sensing
11/05/2009	US20090272035 Collision monitoring system
11/05/2009	CA2723142A1 Fault detection for battery chargers
11/04/2009	EP2113776A1 Frequency measuring instrument
11/04/2009	CN201341111Y Power unit control circuit board of high-voltage frequency transformer
11/04/2009	CN201341014Y Self-diagnosis phase failure protector
11/04/2009	CN201341013Y Water and steam use safety control device for shower cubicle
11/04/2009	CN201341012Y Energy-saving controller circuit
11/04/2009	CN201341011Y Detection wiring device of residual current action protector
11/04/2009	CN201340826Y Circuit breaker with selectivity
11/03/2009	US7613948 Cache coherency during resynchronization of self-correcting computer
11/03/2009	US7613836 Managing resources for IP networking
11/03/2009	US7612975 Lightning protection
11/03/2009	US7612974 Backlight unit having protection circuit using induced voltage detection
11/03/2009	US7612973 GFCI receptacle with single button for test-reset function
11/03/2009	US7612972 Electrical contractor current sensing system and method
11/03/2009	US7612515 Method and device for identifying pinching situations in displacing drives in motor vehicles
11/03/2009	US7612471 Hybrid electrical switching device
11/03/2009	CA2452378C System for estimating the frequency of the power signal on a power transmission line
10/2009
10/29/2009	WO2009131941A1 A method and apparatus to dynamically control impedance to maximize power supply
10/29/2009	US20090268364 High power integrating power conditioner
10/29/2009	US20090268363 Power supply, image forming apparatus, and electric current supply method
10/29/2009	US20090268362 Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal
10/29/2009	US20090268356 Input protection circuit
10/29/2009	US20090268354 High-voltage bus discharge with logarithmic self-protection
10/29/2009	US20090267420 off-Mains Switch and a Control Box for Electrically Driven Articles of Furniture
10/29/2009	DE102008020371A1 Method for overload protection of three-phase load by current monitoring sensor, involves applying current sensor for determining difference of two phase currents, where three-phase motors are provided with motor coils
10/29/2009	DE102007000854B4 Lastantriebsvorrichtung Load driving device
10/28/2009	EP2112517A1 Electric line protection for determining the direction in which a fault occurs
10/28/2009	EP2111681A1 Fuse saving power distribution system fault protection
10/28/2009	EP2111680A1 An overvoltage and/or undervoltage protection device
10/28/2009	CN101567550A Low-pressure single-phase alternating current leakage protector
10/28/2009	CN101567549A Direct-current safety gate
10/28/2009	CN101567548A Circuit breaker zone selective interlock for differentiated faults and method of operation
10/28/2009	CN101567510A Novel electric leakage protection socket
10/28/2009	CN101566871A USB protection device
10/28/2009	CN100555788C Implementation device and method for multi-voltage monitoring and protection
10/28/2009	CN100555787C Elevator circuitry protector for short circuit to earth
10/28/2009	CN100555786C Power relay protection device
10/28/2009	CN100555785C Intelligent leakage circuit breaker
10/27/2009	US7609498 Inverted circuit overcurrent protection device and hybrid integrated circuit device with the same incorporated
10/27/2009	US7609497 Residual-current-operated protective device
10/27/2009	US7609496 Non-feedback type load current controller
10/27/2009	US7609495 Electrostatic discharge (ESD) protection arrangement and ESD protection method
10/27/2009	US7609494 Voltage protection system and method for a powered device
10/27/2009	US7609493 ESD protection circuit and method for lowering capacitance of the ESD protection circuit
10/27/2009	US7609492 Ground fault interrupts for solid state power controllers
10/27/2009	US7607827 Temperature detection device, temperature detection method, and computer-readable computer program product containing temperature detection program
10/27/2009	CA2397877C Gfci with reverse line/load wiring prevention
10/27/2009	CA2303603C Voltage sensing arrangement
10/27/2009	CA2278379C Apparatus sensitive to arc amplitude for envelope detection of low current arcs
10/22/2009	WO2009128478A1 Load circuit protection device
10/22/2009	WO2009108962A3 An electrical power consumption management syste
10/22/2009	US20090262472 Protective Device with an Auxiliary Switch
10/22/2009	US20090262470 GFCI that cannot be reset until wired correctly on line side and power is applied
10/22/2009	DE102008020030A1 Schaltung zum Schutz zumindest eines Gleichstromnetzes mit Gleichstromverbrauchern gegen Überspannung Circuit for protecting at least one DC network with DC consumers against overvoltage
10/21/2009	EP2110924A2 System and method for managing power supply to a circuit breaker control unit
10/21/2009	EP2110920A1 Devices and methods for protection of rechargeable elements
10/21/2009	EP2110917A2 Method of setting a ground fault trip function for a trip unit and a trip unit having a defined trip function for ground fault protection
10/21/2009	EP2110916A2 Universal Trip Unit
10/21/2009	EP2110915A2 Current gain control of circuit breaker trip unit
10/21/2009	CN201332522Y LED lighting circuit
10/21/2009	CN201332514Y Full air-cooling IGBT induction heating equipment
10/21/2009	CN201332464Y Switch power supply circuit and television
10/21/2009	CN201332377Y Inductor passenger carriage generator distribution box
10/21/2009	CN201332295Y Multifunctional intelligent voltage regulator of direct current generator for trains
10/21/2009	CN201332292Y Micro power collector
10/21/2009	CN201332265Y Safety barrier
10/21/2009	CN201332262Y Current-limiting protection circuit
10/21/2009	CN201332258Y Open-phase protection type residual current operated protector
10/21/2009	CN201332257Y Power protecting circuit and TV set with the circuit
10/21/2009	CN201332256Y Self power supply digital overcurrent relay
10/21/2009	CN201332255Y Recloser device for 400V low-voltage distribution system

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