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)
08/2003
08/20/2003CN2567845Y Overcurrent overvoltage protector
08/20/2003CN1437292A Portable power source lightning arrester
08/20/2003CN1437203A Capacitor for microwave oven magnetron
08/20/2003CN1118756C Method for debugging basic I/O system of keyboard of notebook computer
08/19/2003US6609212 Apparatus and method for sharing predictive failure information on a computer network
08/19/2003US6608744 SOI CMOS input protection circuit with open-drain configuration
08/19/2003US6608742 Voltage and current source selection system for use in the protection, automation and control of an electric power system
08/19/2003US6608458 Electric motor, in particular wiper motor
08/19/2003CA2080673C Coordination arrangement for protective devices in electrical systems
08/14/2003WO2003067435A2 Computer system capable of supporting a plurality of independent computing environments
08/14/2003WO2003067434A2 Asf state determination using chipset-resident watchdog timer
08/14/2003WO2003023946A3 Crossover fault classification for power lines with parallel circuits
08/14/2003WO2003003153A3 Mirroring network data to establish virtual storage area network
08/14/2003WO2002039642A3 Apparatus and method for detecting and calculating ground fault resistance
08/14/2003US20030154431 Method for recovering from malfunctions in an agent module of a modular network device
08/14/2003US20030154421 Information processing device, power source control device, and method, program, and recording medium for controlling information processing device
08/14/2003US20030154419 Register renaming in binary translation using rollback and recovery
08/14/2003US20030151877 ESD protection network utilizing precharge bus lines
08/14/2003US20030151867 Directional comparison distance relay system
08/14/2003US20030151866 Time-optimum reception of protection commands in a remote tripping device
08/14/2003US20030151862 System for overvoltage protection
08/14/2003US20030151860 Smart solid state relay
08/14/2003US20030151478 Protection device with lockout test
08/13/2003EP1335471A2 Solid state relay
08/13/2003EP1335470A2 Directional comparison distance relay system
08/13/2003EP1335469A1 Receiving protection signals in a remotely controlled breaker
08/13/2003EP1335394A1 Capacitor for magnetron of a microwave oven
08/13/2003EP1334553A1 A method and a device for controlling the operation of an actuator unit
08/13/2003EP1334502A1 Circuit interrupting device
08/13/2003EP0901706B1 A method and a device for reducing third harmonic phenomena in a rotating electric alternating current machine
08/13/2003CN2566521Y Automatic alarm device for transformer substation
08/13/2003CN2566515Y Surge protector for place-in low voltage distributing system
08/13/2003CN2566444Y Electronic controller for undervoltage tripping device
08/13/2003CN1435929A Digital directional relay
08/12/2003US6606715 Device control apparatus and control method
08/07/2003WO2003065535A1 Electricity supply over-voltage protection device
08/07/2003WO2003065534A1 Device for short-circuiting two electric lines for reducing a voltage differential
08/07/2003US20030149920 Method, system and program products for resolving potential deadlocks
08/07/2003US20030149919 Systems and methods for diagnosing faults in computer networks
08/07/2003US20030149910 Computer equipment having a prompt access function and related method
08/07/2003US20030149909 Halting execution of duplexed commands
08/07/2003US20030147195 Capacitor for magnetron of a microwave oven
08/07/2003US20030147192 Apparatus for protecting electronic equipment by detecting thunder
08/07/2003US20030147188 ESD-protecting circuit and LSI using the same
08/07/2003DE10158494C1 Lade/Entlade-Schutzschaltung Charge / discharge protection circuit
08/06/2003EP1333554A2 Charge/discharge protection circuit for a rechargeable battery
08/06/2003EP1333552A2 Method and apparatus for fault condition detection in the power supply to a load
08/06/2003EP1186084B1 Electrical circuit breaker for protecting against overcurrents
08/06/2003EP0968460B1 Clock line over-current protector and industrial control system
08/06/2003CN2565185Y Unbalance protector for three-phase power supply
08/06/2003CN2565184Y Three-phase power switch with short phase protection
08/06/2003CN2565183Y Under-voltage open-phase monitor
08/06/2003CN2565182Y Thunder-preventing protective circuit
08/06/2003CN2565181Y Multifunctional overvoltage protector
08/06/2003CN2565180Y Intelligent power supply limiter
08/06/2003CN2565179Y Premounted integrated protector for transformer substation
08/06/2003CN1435001A Software-controlled evaluation of fawlt currents for protection and monitoring systems
08/06/2003CN1117424C Power supply device
08/05/2003US6603649 Electronic tripping device for a circuit breaker
08/05/2003US6603648 Circuit breaker having an electronic tripping unit and parameterization locking
08/05/2003US6603298 System for estimating the frequency of the power signal on a power transmission line
08/05/2003US6603290 Anti-islanding detection scheme for distributed power generation
08/05/2003CA2264659C Surgical handpiece
07/2003
07/31/2003WO2003063556A1 Ballast safety circuit
07/31/2003US20030145255 Hierarchical multi-component trace facility using multiple buffers per component
07/31/2003US20030145253 Method and system for isolating and protecting software components
07/31/2003US20030142451 Digital directional relay
07/31/2003US20030142450 Protection of electrical power lines
07/31/2003US20030142449 Device and method for determining intermittent short circuit
07/31/2003US20030142230 Camera system including a safety circuit
07/31/2003DE10155795C1 Current arcing location method for automobile current network uses reduction of supply voltage for each partial network in turn for location of arcing by process of elimination
07/30/2003EP1331715A1 Digital directional relay
07/30/2003EP1331714A2 Method for discharging a power supply capacitor
07/30/2003EP1068601B1 Method for switching off a power supply in a dangerous situation and a corresponding safeguarding arrangement
07/30/2003CN2563805Y Automatic protective plastic casing breaker for fire
07/30/2003CN1433585A Circuit breaker remote service system
07/30/2003CN1433116A Leakage protector circuit for electric water heater
07/29/2003US6601194 Circuit configuration for repairing a semiconductor memory
07/29/2003US6601002 Arrangements to detect and respond to disturbances in electrical power systems
07/29/2003US6601001 Fault-detection for power lines
07/29/2003US6600640 Electromagnetic relay
07/29/2003US6600639 Precision low voltage supply system and method with undervoltage lockout capabilities
07/29/2003US6598604 Fault protection system for a respiratory conduit heater element
07/24/2003WO2003061091A1 Solid state ac switch
07/24/2003WO2003061089A1 Safety device for electrical apparatus
07/24/2003US20030140277 Method and apparatus for relating device name to physical location of device on a network
07/24/2003US20030137790 Overcurrent protection circuit
07/24/2003US20030137319 Circuit for detecting leak from power supply
07/24/2003US20030137309 Method for discriminating abnormal current including arc current in AC load circuit and apparatus for executing the same
07/24/2003US20030137266 Apparatus for detecting obstacle to power regulated window
07/24/2003US20030137252 Ballast safety circuit
07/23/2003EP0974181A4 Improvements in transient overvoltage and lightning protection of power connected equipment
07/23/2003CN2562473Y Overvoltage electric power net protector
07/23/2003CN2562347Y Phase-off and leakage circuit breaker
07/23/2003CN2562186Y Multifunctional single phase mechanical kilowatt meter
07/23/2003CN1432209A Electronic protective relay with variable and fixed delay tally time of current protection
07/22/2003US6597160 Method for measuring fundamental frequency component of fault current or voltage signal
07/22/2003US6597139 Drive device and method for moving a vehicle part
07/17/2003WO2003058788A1 Miniaturized motor overload protector
07/17/2003WO2003058663A1 Control system for electrical switchgear
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