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) |
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02/07/2008 | US20080030913 Power semiconductor device |
02/07/2008 | US20080030910 Self protecting output stage |
02/06/2008 | EP1884005A1 Method and apparatus for improving operational reliability during a loss of a phase voltage |
02/06/2008 | EP1883828A1 Circuit protection device and test facility to simulate a fault condition |
02/06/2008 | CN201018518Y Ethernet power supply overvoltage protector |
02/06/2008 | CN201018290Y Electric charge adjusting controller of low-voltage distribution system |
02/06/2008 | CN201018284Y Economically intelligent synthetic power distribution unit |
02/06/2008 | CN201018275Y Duplicate power supply loop network single phase earthing time sequence identification route selection device |
02/06/2008 | CN201018265Y Electronic control apparatus used for electric leakage protection |
02/06/2008 | CN201018264Y Electric leakage protection circuit with life termination detecting and display function |
02/06/2008 | CN201018263Y Low-voltage circuitry three-phase unsymmetrical fault synthetic protection module |
02/06/2008 | CN201018262Y Low-voltage electric network remote distance short-circuit fault sensitive protection module |
02/06/2008 | CN201018261Y Protective circuit for single phase voltage abnormity |
02/06/2008 | CN201018260Y Phase-lack protective equipment for low voltage three-phase power utilization equipment |
02/06/2008 | CN201018259Y Protective equipment of contactor for preventing instant power-off |
02/06/2008 | CN201018258Y Overvoltage circuit protector |
02/06/2008 | CN201018257Y Creepage breaker with creepage early warning device |
02/06/2008 | CN201018256Y Electricity-proof wall detection chip of current type embedded D/A conversion zero ground wire detection interface |
02/06/2008 | CN201018255Y Intelligent lightning protection device |
02/06/2008 | CN201018254Y Intelligent controller of air switch |
02/06/2008 | CN201018126Y Creepage protecting socket with service life expiration detecting function |
02/06/2008 | CN201018122Y Lightning protection plug |
02/06/2008 | CN201017762Y Current mutual inductor special for self-power type overcurrent and earth fault protection relay |
02/06/2008 | CN201017250Y Complete digital multifunctional experimental laboratory controllable power-supply apparatus |
02/06/2008 | CN101120496A Device for inductive direct current detection and temperature response compensation of the converter permeability by adapting the frequency of the impressed alternating current |
02/06/2008 | CN101120495A Methods and circuits for distributing power to spd loads |
02/06/2008 | CN101119033A Power socket device dedicated for charger and power source transmission method |
02/06/2008 | CN101119027A Overcurrent protection circuit |
02/06/2008 | CN101119021A Over voltage protection circuit and method thereof |
02/06/2008 | CN101119020A Terminal equipment charging overvoltage protective device and method |
02/06/2008 | CN101119019A Power supply circuit capable of automatic cut-off loop |
02/06/2008 | CN101118825A Fuse system with serviceable connections |
02/06/2008 | CN100367623C Electrical system for a ship |
02/06/2008 | CN100367617C Overload current protection apparatus |
02/06/2008 | CN100367593C All fault-current sensitive protection device |
02/06/2008 | CN100367592C Detecting and protecting method and device for exception of circuit |
02/06/2008 | CN100367439C Active part for a surge arrester |
02/06/2008 | CN100366988C Omnidirectional human safety protector for forced exhausting gas water heater |
02/05/2008 | US7328366 Method and system for reciprocal data backup |
02/05/2008 | US7327544 Battery protection device |
02/05/2008 | US7327543 Method and device for switching a semi-conductor circuit breaker |
02/05/2008 | US7327541 Operation of dual-directional electrostatic discharge protection device |
02/05/2008 | US7326964 Light emitting diode package with protective function against electrostatic discharge |
01/31/2008 | US20080025058 Automatic power adapter |
01/31/2008 | US20080024949 Method and System for Automatic Attempted Recovery of Equipment from Transient Faults |
01/31/2008 | US20080024945 Circuit protection device with automatic monitoring of operation fault |
01/31/2008 | US20080024944 Ground fault circuit interrupter device |
01/31/2008 | US20080024943 Ground fault circuit interrupter device |
01/31/2008 | US20080024942 Ground fault circuit interrupter device |
01/31/2008 | US20080024252 Ground fault circuit interrupter device |
01/31/2008 | US20080024099 Power Supply Apparatus |
01/31/2008 | US20080024077 Portable Linear Actuator and a Method of Limiting the Maximum Force of a Motor of Such an Actuator |
01/31/2008 | US20080024012 Power device configuration with adaptive control |
01/31/2008 | DE10307006B4 Schaltungsanordnung zur Steuerung des Einschaltstromes eines anschließbaren elektrischen Verbrauchers Circuit arrangement for controlling the inrush current of an electrical consumer connectible |
01/30/2008 | EP1883142A1 Communication line protection |
01/30/2008 | CN201015166Y Signal lightning protection type automatic reclosed switch |
01/30/2008 | CN201015154Y Electromagnetic creepage protecting socket |
01/30/2008 | CN201015153Y Creepage protecting socket with service life expiration detecting function |
01/30/2008 | CN101114824A Linkage device for AC two-wire type solid state switch |
01/30/2008 | CN101114769A Electric equipment protecting means |
01/30/2008 | CN101114768A Method for performing malfunction arc self-examination by analogue signal produced from microprocessor |
01/30/2008 | CN100365933C Electric window drive apparatus |
01/30/2008 | CN100365901C Circuit for displaying exception of three-phase shock wave absorber and multi-end fuse |
01/30/2008 | CN100365900C High-voltage transmission circuitry null sequence directional element for power system |
01/30/2008 | CN100365899C High roltage circuit high resistance grounding protective method |
01/30/2008 | CN100365898C Anti-current mutual inductor saturated conventional difference current trajectory scanning and discrimination method |
01/30/2008 | CN100365897C Voltage regulator with high performance overcurrent protection |
01/30/2008 | CN100365896C Digital directional relay |
01/29/2008 | USRE40037 Electric power system protection and control system |
01/29/2008 | US7325083 Delivering data processing requests to a suspended operating system |
01/29/2008 | US7324876 System for remotely controlling energy distribution at local sites |
01/29/2008 | US7324317 Control of breakdown voltage for microelectronic packaging |
01/29/2008 | US7324315 Protection device |
01/29/2008 | US7324314 Disconnect switch with early break feature |
01/29/2008 | US7324006 Remote display ammeter for power plug or power strip |
01/29/2008 | US7323752 ESD protection circuit with floating diffusion regions |
01/24/2008 | WO2008010495A1 Separator and overvoltage protection device |
01/24/2008 | WO2008009903A1 Method and apparatus of detecting and compensating for dc residual fault currents on electrical systems |
01/24/2008 | WO2008009513A1 Arresting device particularly for a pluggable surge arrester |
01/24/2008 | WO2007135073A3 Detecting faults in power systems |
01/24/2008 | WO2007123835A3 Systems, devices, and methods for temperature compensation in arc fault detection systems |
01/24/2008 | WO2005104325A3 Self tuning high voltage power supply |
01/24/2008 | US20080019071 Surge suppression module with disconnect |
01/24/2008 | US20080019070 Solid state power controller with lightning proctection |
01/24/2008 | US20080019068 Current protection apparatus and method |
01/24/2008 | US20080019067 Current protection apparatus and method |
01/24/2008 | US20080019066 Overload protection method |
01/24/2008 | US20080019063 Method and apparatus for disconnection of a fault current which has occured in an AC power supply system |
01/24/2008 | DE19702094B4 Leistungsschaltvorrichtung Power switching device |
01/24/2008 | CA2657894A1 Method and apparatus of detecting and compensating for dc residual fault currents on electrical systems |
01/23/2008 | CN201011705Y Brushless DC motor circuit for preventing power supply reverse connection |
01/23/2008 | CN201011703Y Zero-breaking protecting control circuit |
01/23/2008 | CN201010969Y Electric protection water saving closet based on breech self-cleaning rinsing technique |
01/23/2008 | CN201010968Y Electric protection water saving closet based on breech self-cleaning rinsing technique |
01/23/2008 | CN101110517A Intelligent electricity-saving electricity-guard socket of drinking machine |
01/23/2008 | CN100364198C Jamming protection device for moving member |
01/23/2008 | CN100364197C Transmission synchronization method of current differential relaying device |
01/22/2008 | US7322029 Method and system for recovering program code in a computer system |
01/22/2008 | US7321483 Power converter |
01/17/2008 | WO2008008091A2 Interruption circuit with improved shield |