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)
12/2003
12/11/2003WO2002033426A9 Line differential protection system for a power transmission line
12/11/2003US20030229820 Method, apparatus, and program for data mirroring with striped hotspare
12/11/2003US20030229423 Method for power distribution system components identification, characterization and rating
12/11/2003US20030227735 Control arrangement for mains-operated apparatuses that are supplied with a low voltage and provided with a mains activation device
12/11/2003US20030227730 Inverted circuit overcurrent protection device and hybrid integrated circuit device with the same incorporated
12/11/2003US20030227727 Audio line isolator
12/11/2003US20030227290 Arc detection by non-causal signal correlation
12/11/2003CA2431598A1 Audio line isolator
12/10/2003EP1369973A1 Overload current protection device using magnetic impedance element
12/10/2003EP1368874A1 Electrostatic discharge protection structures for high speed technologies with mixed and ultra-low voltage supplies
12/10/2003CN2591835Y Electric power source polar protective circuit with overvoltage protection
12/10/2003CN2591826Y Special earth leakage breaking protector for electric water heater
12/10/2003CN2591825Y Phase-defect break zero electricity leakage protector
12/10/2003CN2591824Y Multifunction AC circuit protection controller
12/10/2003CN2591745Y Undervoltage/discrete release
12/10/2003CN1461511A Improved data protection and control device and method thereof
12/09/2003US6662316 Electronic apparatus having improved diagnostic interface
12/09/2003US6662124 Protective relay with synchronized phasor measurement capability for use in electric power systems
12/09/2003US6661681 Power converter apparatus with a circuit for preventing destruction of a power device
12/09/2003US6661680 Higher harmonic suppressor element and DC power supply unit using the same
12/09/2003US6661633 Protective element
12/09/2003US6661632 Data acquisition system for a circuit breaker
12/09/2003US6661630 Distance relay for protection of transmission line having minimized reactance effect
12/09/2003US6661207 Apparatus and method for protecting synchronous generators against off-nominal frequency deviation and alternating forces excitation
12/09/2003CA2338742C Arc fault detection system
12/09/2003CA2132137C Self testing circuit breaker ground fault and sputtering arc trip unit
12/04/2003WO2003100938A1 Residual current circuit breaker
12/04/2003WO2003073572A3 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment
12/04/2003WO2002082611A3 Electric power supply with a safety cut-off
12/04/2003US20030226135 Optimized program analysis
12/04/2003US20030226134 Representation of core files in a generic format
12/04/2003US20030226069 Test administration platform
12/04/2003US20030226068 Run time method of control system interface design and device control
12/04/2003US20030225482 Method and system for conditionally triggered system data capture
12/04/2003US20030225481 Method and apparatus for optimizing redundant critical control systems
12/04/2003US20030223167 Distributed bus differential relay system
12/04/2003US20030223161 ARC fault or ground fault or ARC fault / ground fault trip signal generator and trip unit employing the same
12/04/2003US20030223160 Ground fault circuit interrupter for coaxial drop cable and method of operation
12/04/2003US20030222509 Method and apparatus for node electronics unit architecture
12/03/2003EP1367684A1 Overload current protection device using magnetic impedance element
12/03/2003CN2590235Y Electric leakage circuit breaker
12/03/2003CN2590234Y Microcomputer arc extinguishing, wire selecting and excess voltage comprehensive protector
12/03/2003CN2590233Y Fluid magnetizing electric-proof apparatus
12/03/2003CN1460183A Circuit for detecting leak from power supply
12/03/2003CN1459918A Washer
12/03/2003CN1459904A Motor controller containing electronic circuit for preventing starting current
12/02/2003US6658656 Method and apparatus for creating alternative versions of code segments and dynamically substituting execution of the alternative code versions
12/02/2003US6658649 Method, apparatus and article of manufacture for debugging a user defined region of code
12/02/2003US6658360 Software-controlled evaluation of fault currents for protection and monitoring systems
12/02/2003US6657843 Lightning arrestor device for high power electric installations
12/02/2003US6657838 LCD backlight inverter
12/02/2003US6657834 Reset lockout for circuit interrupting device
12/02/2003CA2268575C Circuit breaker
11/2003
11/27/2003WO2003098767A2 Device for protecting an electric power distribution network
11/27/2003WO2003098403A2 Electric load management center
11/27/2003US20030221141 Software-based watchdog method and apparatus
11/27/2003US20030220719 Method and apparatus for centrally-controlled electrical protection system architecture reliability improvement based on sensitivity analysis
11/27/2003US20030218847 Solid state relay/circuit breaker system
11/27/2003US20030218846 Safety device for a delta-connected three-phase electric appliance
11/27/2003US20030218845 Apparatus for power source protection with automatic latch-off
11/27/2003US20030218843 Power supply protection circuit
11/27/2003US20030218838 Motor controller incorporating an electronic circuit for protection against inrush currents
11/27/2003US20030218837 Digital power inverter
11/26/2003EP1365405A2 Method and apparatus of recording data in the optical recording medium
11/26/2003EP1365404A2 Method and apparatus of recording data in the optical recording medium
11/26/2003EP1364437A2 Aircraft applicable ground fault circuit interrupter
11/26/2003CN2588637Y Lightning protector for electric equipment
11/26/2003CN2588634Y Intelligent electricity distribution cabinet
11/26/2003CN2588618Y Energy-saving safety socket board
11/26/2003CN2588617Y Multi-function safety protective socket
11/26/2003CN2588522Y Multi-function direct loading type leakage relay
11/26/2003CN1459142A Method and device for controlling operation of an actuator unit
11/26/2003CN1458724A Voltage regulator with high performance overcurrent protection
11/26/2003CN1458723A Power source protector
11/25/2003US6654906 Recovery from instruction fetch errors in hypervisor code
11/25/2003US6654220 Method for protection of an electrical power line
11/25/2003US6654217 Quick responding instantaneous trip system
11/20/2003WO2003096506A1 Electric power switch with an electronic memory unit for parameters and conversion factors
11/20/2003WO2003073576A3 Method and apparatus for ground fault protection
11/20/2003WO2002089133A3 Data integrity error handling in a redundant storage array
11/20/2003US20030217355 System and method of implementing a virtual data modification breakpoint register
11/20/2003US20030217354 Scope-based breakpoint selection and operation
11/20/2003US20030216876 Method and apparatus for ground fault protection
11/20/2003US20030214907 Method for communicating information bundled in digital message packets
11/20/2003US20030214769 Over-voltage protection circuit
11/20/2003US20030214525 System and method for managing object based clusters
11/20/2003US20030214424 System for sampling a signal in an electronic instrument using a unipolar A/D converter
11/20/2003US20030214414 Front panel light system for an electronic instrument which indicates the operating condition of the front panel lights and selected portions of the instrument
11/20/2003US20030213978 Fault free fuse network
11/20/2003DE20312116U1 Arc discharge protection system for high-voltage electrical equipment has electrode disk, voltage switching circuit, rectifier and trigger circuit
11/20/2003DE10203909C1 Lade/Entlade-Schutzschaltung für eine wiederaufladbare Batterie Charge / discharge protection circuit for a rechargeable battery
11/19/2003EP1363378A2 Method and apparatus for short circuit detection and for overvoltage protection for a dual-voltage electric system
11/19/2003EP1363377A2 Electromotive actuator
11/19/2003EP1277264B1 Residual-current circuit breaker and a method for testing the operatability of a residual-current circuit breaker
11/19/2003EP0888661B1 An electric high voltage ac generator
11/19/2003CN1457125A Improved power-line protection
11/18/2003US6650969 Electrical fault protection system
11/18/2003US6650523 Protective device, in particular a fault current protective device
11/18/2003US6650517 Ballast safety circuit
11/18/2003US6650516 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
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