Patents
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)
12/2007
12/27/2007WO2007147941A1 System and method for determining phase-to-earth admittances of a three-phase electric line
12/27/2007WO2007044930A3 Control and protection methodologies for a motor control module
12/27/2007US20070300101 Rapid regeneration of failed disk sector in a distributed database system
12/27/2007US20070297112 Energy saver
12/27/2007US20070297111 Low frequency switch
12/27/2007US20070297110 Electrical Distribution System
12/27/2007US20070297109 System and method for protecting against short circuits in electric power distribution architectures with two voltage levels
12/27/2007DE112004003035T5 Verfahren zur Feststellung von Zuständen mit Erdschluss bei einer Motorsteuerung A method for determining states with ground fault in an engine control
12/27/2007DE102006028708A1 Schaltungsanordnung zur Unterspannungserkennung einer Energiequelle Circuit arrangement for undervoltage detection of an energy source
12/26/2007EP1869746A1 Method and arrangement for increasing and guaranteeing the selectivity of a switch device in a group of switch devices and use of the arrangement for switching in power circuits
12/26/2007CN200997526Y Zener safty grid
12/26/2007CN200997522Y Split-phase current differential protecter
12/26/2007CN200997521Y Electric controller against earth wire for regenerative electric water heater
12/26/2007CN200997520Y Dosmetic distributing case
12/26/2007CN200997519Y Electric controller against earth wire for instant-heating electric heater
12/26/2007CN200997518Y Electric fire protecter
12/26/2007CN200997517Y Self-thrower of convering station
12/26/2007CN200996579Y Luminescent light
12/26/2007CN101095270A A method and a device for controlled reclosing of a circuit breaker
12/26/2007CN101093936A Device for cutting off voltage of abnormal power supply
12/26/2007CN100358210C Anti-shock anti-short circuit no-contact energy saving safety device for three phase AC power source
12/26/2007CN100358205C All fault-current sensitive protection device
12/26/2007CN100358204C Leakage protector circuit for electric water heater
12/26/2007CN100358203C AC self-resetting cut-off alarming device
12/25/2007US7313718 System and method for the prevention of corruption of networked storage devices during backup data recovery
12/25/2007US7312969 Current control apparatus for electric load
12/25/2007US7312968 Starter-relay control circuit with self fault diagnosis function
12/25/2007US7312965 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof
12/25/2007US7312964 Ground-fault monitor for multiple circuits
12/25/2007US7312963 Protective device with tamper resistant shutters
12/23/2007CA2593646A1 Circuit interrupter including nonvolatile memory storing cause-of-trip information
12/21/2007WO2007144032A1 Switching circuit
12/21/2007WO2007143879A1 Ground fault circuit interrupter with end-of-life protection
12/20/2007US20070294571 Method and apparatus of recording data in the optical recording medium
12/20/2007US20070294569 Method and apparatus of recording data in the optical recording medium
12/20/2007US20070291434 Protection circuit
12/20/2007US20070291433 Apparatus and method for scalable power distribution
12/20/2007US20070291430 Apparatus and method for scalable power distribution
12/20/2007US20070291428 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof
12/20/2007US20070291427 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof
12/20/2007DE19860721B4 Dreipunkt-Umrichter und Verfahren zu seinem Betreiben Three-point converter and method for its operation
12/19/2007EP1868273A2 Automatic trip device, network system using it and control method thereof
12/19/2007EP1867027A1 Electricity distribution network with stray voltage monitoring and method of transmission of information on said network
12/19/2007CN200994061Y Refrigerator power-saving protector
12/19/2007CN200994060Y PFC overcurrent protection circuit and air conditioner with same
12/19/2007CN200994059Y Intelligent controller of power module with current sampling function
12/19/2007CN200994025Y Leakage protection socket
12/19/2007CN200993948Y Safety earth fault circuit breaker
12/19/2007CN101091297A 保护电路以及电池组件 Protection circuit and battery pack
12/19/2007CN101091296A Method for detecting earth-fault conditions in motor a controller
12/19/2007CN101090200A Surge suppressor having element for enhancing safety, electronic device, and method
12/19/2007CN101090198A Safety alarm device for power line
12/19/2007CN101090185A Universal safety plug with earth wire hot-line alarm
12/19/2007CN101089772A Voltage generator and power supply circuit
12/19/2007CN101089496A Air conditioner and its distribution error detection method
12/19/2007CN100356651C Automatic tracking protector for earth leakage and operation method thereof
12/19/2007CN100356650C Intelligent data collecting and overvoltage protective system for high and medium voltage power device
12/19/2007CN100356649C Cable fixed zero-power miniaturized over-current relay
12/19/2007CN100356648C Multipath solid-state power switch digitized integration controlling method
12/18/2007US7310701 Method for analyzing performance information
12/18/2007US7310212 Connector
12/18/2007US7310211 Method for suppressing latch-ups occurring in a circuit, and systems for carrying out said method
12/18/2007US7310049 Status indicator
12/18/2007US7310025 Oscillator circuit and integrated circuit incorporating the same
12/18/2007US7309993 Three- or four-pole low-voltage power switch with Rogowski coils operating as current sensors
12/18/2007US7309971 Opening and closing body control device
12/13/2007WO2007142015A1 Excess voltage protection circuit, method of protecting a circuit from excess voltage, and semiconductor apparatus having the excess voltage protection ciruit
12/13/2007WO2007140836A1 Device for inspecting an electrical line's protection element and for verifying said electrical line
12/13/2007US20070288798 Error detection and recovery within processing stages of an integrated circuit
12/13/2007US20070285864 Power supply circuit structure comprising a current sensor, and method of assembling the same
12/13/2007US20070285863 Driving circuit
12/13/2007US20070285862 Snubber circuit
12/13/2007US20070285861 Over-voltage protection circuit and method thereof
12/13/2007US20070285860 Method and system for ESD protection of balanced circuit board lines
12/13/2007US20070285859 Fan system and power monitoring apparatus thereof
12/13/2007US20070285857 Coordinated fault protection system
12/13/2007US20070285850 Power switching control apparatus
12/13/2007US20070285266 System and method for evaluating ground-fault circuit interrupters
12/13/2007DE102007016651A1 Leadless integrierte Schaltungsschutzeinrichtung Leadless integrated circuit protective device
12/13/2007DE102006026405A1 Circuit arrangement for motor vehicle-electrical system, has main switch arranged in supply line and triggered by sensor in case of over voltage to separate load from voltage supply
12/13/2007CA2654135A1 Gfci with self-test and remote annunciation capabilities
12/12/2007EP1864363A1 Method for storing individual data items of a low-voltage switch
12/12/2007CN200990507Y Fusing combined surge protector
12/12/2007CN200990499Y DSP relay protection controller based on ripple theory
12/12/2007CN200990498Y Three-phase power supply phase-sequence detection and open-phase protection circuit
12/12/2007CN200990497Y Current type external digital to analog conversion zero ground wire detection interface anti-electric wall detecting chip
12/12/2007CN200990496Y Automatic overvoltage overcurrent electrical shock and leakage protector
12/12/2007CN200990495Y Overcurrent protection state indicating circuit
12/12/2007CN200990455Y Electricity leakage protection socket with service life terminal detection function
12/12/2007CN101087121A 供电系统 Power supply system
12/12/2007CN101087063A A high-voltage battery system and secure protection method
12/12/2007CN101087062A Intelligent management device of single user power site
12/12/2007CN101086937A Intelligent AC vacuum contactor
12/12/2007CN100355181C A charging circuit and charging method and equalizing charger therefor
12/12/2007CN100355174C Improved digital protection and control device and method thereof
12/12/2007CN100355072C Electrostatic discharge protection circuitry and method of operation
12/12/2007CN100354777C Integrated protection, monitoring and control system
12/11/2007US7308614 Control sequencing and prognostics health monitoring for digital power conversion and load management
12/11/2007US7307948 System with multiple path fail over, fail back and load balancing
12/11/2007US7307822 Semiconductor integrated circuit apparatus