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)
06/2003
06/25/2003CN2558071Y Overcurrent and overvoltage protector
06/25/2003CN1426031A Network controllable curcuit break electric meter reading transcriber and electric unit network terminal
06/24/2003US6584417 Method and directional element for fault direction determination in a capacitance-compensated line
06/24/2003US6583975 Aircraft applicable ground fault circuit interrupter
06/19/2003WO2003050638A1 Source and system which are used to power a removable electric charge
06/19/2003US20030115512 Disk reproducing apparatus
06/19/2003US20030115511 Method, apparatus and program for diagnosing system risk
06/19/2003US20030115396 Reconfigurable ieee 1149.1 bus interface
06/19/2003US20030112573 Method and apparatus for preventing overload in a circuit
06/19/2003US20030112570 Device for supplying electrical power to detectors, control devices and signalling devices
06/19/2003US20030111981 Apparatus and method for protecting synchronous generators against off-nominal frequency deviation and alternating forces excitation
06/18/2003EP1320165A2 Apparatus and method for protecting synchronus generators against off-nominal frequency deviation and alternating forces excitation
06/18/2003EP1320164A1 Differential trip device with a test circuit
06/18/2003DE20220276U1 Monitor for electric current supply, measures and evaluates individual line parameters and disconnects or gives alarm if necessary
06/18/2003CN1111699C Protecting method for refrigerating compressor
06/17/2003US6580590 Motor driver fault protector
06/17/2003US6580241 Method of detecting pinching of object in power window device
06/17/2003CA2123600C Personnel protection system for electrical power connections
06/12/2003WO2003048792A1 Method and apparatus for detecting loss of synchronism in power system
06/12/2003US20030110415 System and method for creating a customized Power On Self Test (POST) program for use in a computing system
06/12/2003US20030107855 Power source protecting device
06/12/2003US20030107854 Circuit breaker with single test button mechanism
06/12/2003US20030107851 Mobile high voltage network
06/12/2003US20030107381 Method and device for power system protection
06/12/2003US20030107380 Device and process for detecting an electrical short-circuit, and circuit breaker comprising such a device
06/11/2003EP1318586A1 Method and device for electrical short circuit detection, and circuit breaker comprising such a device
06/11/2003EP1317789A1 Large current watchdog circuit for a photodetector
06/11/2003EP1317788A1 Power supply device for low-voltage electronic residual current circuit breakers
06/11/2003EP1171935B1 Active material low power electrical switching mechanism and drive circuit therefor
06/11/2003CN2555574Y Automated electricity leakage protector
06/11/2003CN1423387A Power source short-circuit protection apparatus
06/10/2003US6578160 Fault tolerant, low latency system resource with high level logging of system resource transactions and cross-server mirrored high level logging of system resource transactions
06/10/2003US6578157 Method and apparatus for recovery of useful areas of partially defective direct rambus rimm components
06/10/2003US6577987 Operational monitoring for a converter
06/10/2003US6577963 Programmatic resetting of circuit breakers
06/10/2003US6577478 Overload circuit interrupter capable of electrical tripping and circuit breaker with the same
06/10/2003US6577138 Apparatus for detecting arcing and overcurrents in dc electrical systems subject to cyclic disturbances
06/05/2003WO2003036312A3 Determining electrical faults on undergrounded power systems using directional element
06/05/2003US20030105986 Managing errors detected in processing of commands
06/05/2003US20030105567 Mobile energy management system
06/05/2003US20030103306 Device for detecting failure of field effect transistor
06/04/2003EP1317042A2 Charge/Discharge Protection Circuit
06/04/2003CN2554853Y Combined over-voltage protection device
06/04/2003CN2554852Y Pole protection switch for low-voltage electric power distribution line
06/04/2003CN1421973A Automatic leakage circuit breaker with prevention function of malfunction
06/03/2003US6574751 Hard disk driver state detection method
06/03/2003US6574748 Fast relief swapping of processors in a data processing system
06/03/2003US6574745 Loosely coupled mass storage computer cluster
06/03/2003US6573726 Sensitive ground fault detection system for use in compensated electric power distribution networks
06/03/2003US6573677 Method of compensating for abrupt load changes in an anti-pinch window control system
06/03/2003US6573676 Drive device and method for moving a vehicle part
06/03/2003US6573566 Low-voltage-triggered SOI-SCR device and associated ESD protection circuit
05/2003
05/30/2003WO2003044547A1 Fault location using measurements from two ends of a line
05/29/2003US20030101382 Fail thresholding in a batch simulation farm network
05/29/2003US20030101380 Method and system for rewriting unwind data in the presence of exceptions
05/29/2003US20030099075 Charge/discharge protection circuit
05/29/2003US20030099073 Ground fault interrupter
05/29/2003US20030098694 Insulation diagnosis device
05/29/2003US20030098671 Anti-islanding detection scheme for distributed power generation
05/29/2003US20030098626 Permanent magnet induced electric machine and method for operating such a machine
05/28/2003CN2553384Y Multiplex circuit loading identifier
05/28/2003CN1420590A Protection of double circuit power line
05/27/2003US6571357 High speed device emulation computer system tester
05/27/2003US6571349 Loosely coupled mass storage computer cluster
05/27/2003US6571182 Method and system for consolidating phase current samples
05/27/2003US6571153 Electric power system protective control system, method of controlling electric power system protective control system and storage medium storing program module
05/22/2003WO2003043159A1 Method for making secure a differential protection system of a set of bars in a gas insulation line, and emergency protection system using same
05/22/2003WO2003043158A1 Protective power supply interface
05/22/2003WO2003043156A1 Control and protection module of an interrupter apparatus
05/22/2003WO2003043141A1 Illuminating apparatus comprising a device for protection against electric discharges and method for protection against electric discharges in lighted lamps
05/22/2003US20030097618 Microcontroller capable of correcting program codes and method for driving the same
05/22/2003US20030097616 Systems and methods for monitoring an application processor
05/22/2003US20030097615 On-chip logic analyzer
05/22/2003US20030097614 Method and apparatus for at-speed testing of digital circuits
05/22/2003US20030095367 Electric load management center
05/22/2003US20030094936 Method for measuring fundamental frequency component of fault current or voltage signal
05/22/2003DE20205496U1 Door control unit for motor vehicle, has two computer units linked through data interface to control window operation and other functions
05/22/2003CA2463779A1 Control and protection module of an interrupter apparatus
05/21/2003EP1313194A2 Protection of double circuit power lines
05/21/2003EP1311912A2 System for protection zone selection in microprocessor-based relays in an electric power system
05/21/2003EP1311866A1 Current compensation method and device for power system protection
05/21/2003EP1311785A1 Cryostat for electrical devices such as superconducting current limiters and electrical machines such as transformers, motors, generators and electrical magnets with a superconducting winding
05/21/2003CN2552156Y Automatic fire protection type electric leakage circuit beaker
05/21/2003CN1419727A Electronic overload trip for a low-voltage circuit breaker
05/21/2003CN1419726A Device for stoping a single-phase asynchronous motor with phase-shifting capacitor
05/21/2003CN1419131A Intelligent fraudulent use prevention electric energy measuring method and device thereof
05/20/2003US6567935 Performance linking methodologies
05/20/2003US6567926 Loosely coupled mass storage computer cluster
05/20/2003US6567256 Dual protective relay for power systems
05/20/2003US6567250 Arc fault protected device
05/20/2003US6566965 PLL circuit including a DC power source alarm
05/20/2003US6566828 Movable barrier operator having force and position learning capability
05/20/2003CA2412151A1 Protection relay for double circuit power lines
05/20/2003CA2058322C Circuit breaker comprising a card interfacing with a trip device
05/15/2003US20030093725 Method and circuit for monitoring microcomputer for onboard electronic control device
05/15/2003US20030093720 Analytical server, program analysis network system, and program analysis method
05/15/2003US20030090919 Device for protecting loads supplied by an alternator
05/15/2003US20030090848 Circuit interrupter employing a mechanism to open a power circuit in response to a resistor body burning open
05/15/2003US20030090846 High voltage power supply apparatus
05/15/2003US20030090845 Electrostatic discharge protection for a mixed-voltage device using a stacked-transistor- triggered silicon controlled rectifier