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)
09/2003
09/11/2003US20030169545 Low energy pulsing device and method for electrical system arc detection
09/11/2003US20030169544 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults
09/10/2003EP1342304A2 Compressor terminal fault interruption
09/10/2003EP1188240B1 Load control system having an overload protection circuit
09/10/2003CN2572639Y Over voltage protector
09/10/2003CN2572638Y Overvoltage protective circuit
09/10/2003CN2572637Y Power supply for laboratory
09/10/2003CN1441985A Sensitive ground fault detection system for use in compensated electric power distribution networks
09/10/2003CN1441524A Locking device for leakage breaker
09/09/2003US6618825 Hierarchy of fault isolation timers
09/09/2003US6618822 Method and mechanism for relational access of recovery logs in a database system
09/09/2003US6618648 Control system method of protectively controlling electric power system and storage medium storing program code
09/09/2003US6618273 Trace fuse
09/09/2003US6618229 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof
09/09/2003CA2110020C Isolator surge protector for dc isolation and ac grounding of cathodically protected systems
09/05/2003CA2420926A1 Low energy pulsing device and method for electrical system arc detention
09/04/2003WO2003073580A2 Processing system for a power distribution system
09/04/2003WO2003073577A1 Testing arrangement for a power circuit breaker provided with an electronic trip element
09/04/2003WO2003073576A2 Method and apparatus for ground fault protection
09/04/2003WO2003073572A2 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment
09/04/2003WO2003073571A2 External clock to obtain multiple synchronized computer
09/04/2003WO2003073454A2 Circuit breaker lockout
09/04/2003WO2003073312A1 Method and apparatus for minimally invasive network monitoring
09/04/2003WO2003073224A2 Electrical protection system for reliability improvement based on sensitivity analysis
09/04/2003WO2003073221A2 Integrated protection, monitoring and control system
09/04/2003WO2003073214A2 Method for communicating information bundled in digital message packets
09/04/2003WO2003073188A1 Configuring a centrally controlled circuit breaker protection system
09/04/2003WO2003073182A1 Method and apparatus for optimizing a redundant critical control system
09/04/2003WO2003073181A1 Data sample and transmission modules for power distribution systems
09/04/2003WO2003073180A1 Method and apparatus for circuit breaker node software architecture
09/04/2003WO2003073179A1 Method and apparatus for node electronics unit architecture
09/04/2003WO2003073178A1 Method and system for conditionally triggered system data capture
09/04/2003WO2003073177A1 Method for power distribution system components identification, characterization and rating
09/04/2003WO2003073176A1 Protection system for power distribution systems
09/04/2003US20030167439 Data integrity error handling in a redundant storage array
09/04/2003US20030167423 Program product, method, and system for testing consistency of machine code files and source files
09/04/2003US20030167422 Methods and systems for managing an application's relationship to its run-time environment
09/04/2003US20030167138 Plausibility checking of voltage transformers in substations
09/04/2003US20030165037 Three-phase supervisory circuit
09/04/2003US20030164727 Power supply device, transistor driving method, recording medium
09/04/2003US20030164694 Electronic circuit for an energy supply device, especially for a charging device for batteries
09/03/2003EP1341284A1 Plausibility check for voltage transformers in power distribution substations
09/03/2003CN2571047Y Multifunctional earth leakage protective device
09/03/2003CN2571046Y Electric fire prevention comprehensive protection recorder
09/03/2003CN2571028Y Creepage protecting socket
09/03/2003CN1439885A Phonetic alarm device of leakage circuit breaker
09/03/2003CN1120509C Electronic equipment with automatic opening and closing or automatic switching functions
09/02/2003US6615373 Method, system and program products for resolving potential deadlocks
09/02/2003US6615221 Scalable transport layer protocol for multiprocessor interconnection networks that tolerates interconnection component failure
09/02/2003US6614638 Protective device against fault currents for protection against fire
09/02/2003US6614637 Apparatus and method for a discharge interrupt circuit that can operate at a low supply voltage
09/02/2003US6614636 Input/output filtering system having tri-mode over-voltage protection and disconnect circuit for audio/video systems
09/02/2003US6614635 Circuit provided with a protective function
09/02/2003US6614217 Power supply negative phase detecting circuit
09/02/2003US6614205 Charge/discharge control circuit and a charging-type power-supply unit
09/02/2003US6614199 Device for displacing furniture
08/2003
08/28/2003WO2003071659A1 Power cut-off system with remote automatic alarm and meter reading service using power line communication network
08/28/2003WO2003025825A3 Method for automatically projecting a technological module for reproducing and controlling a technological process system
08/28/2003US20030163757 RAID subsystem and data input/output and recovery method in disk error mode
08/28/2003US20030161165 Power supply device for low-voltage electronic residual current circuit breakers
08/28/2003US20030161084 Protection systems for power networks
08/28/2003US20030161083 Method for protecting a dc generator against overvoltage
08/28/2003US20030159728 Device for protecting a photovoltaic module against hot spots and photovoltaic module equipped with same
08/27/2003EP1339151A1 Time optimal reception of protection instructions in a remotely controlled trip device
08/27/2003EP1338067A1 An improved digital protection and control device and method thereof
08/27/2003CN2569437Y 智能变压器装置 Intelligent transformer unit
08/27/2003CN2569413Y Contact type surge protector releasing device
08/27/2003CN2569412Y Contactless surge protector releasing device
08/27/2003CN2569409Y Combined overvoltage protector
08/27/2003CN2569401Y Lack of phase protector
08/27/2003CN2569400Y Thunder-proof overvoltage protector
08/27/2003CN2569399Y Anti-high voltage safety device
08/27/2003CN2569398Y Safety device for household electric appliance
08/27/2003CN2569397Y Current meter type overflow protector
08/27/2003CN2569396Y Intelligent management device for power
08/27/2003CN2569152Y Intelligent controller for multiple user's meters
08/27/2003CN2569003Y Your message reset modular
08/27/2003CN1119775C ALarm reporting apparatus for monitoring telephone line breakage
08/26/2003US6611955 Monitoring and testing middleware based application software
08/26/2003US6611926 Mechanisms to sample shared-dirty-line addresses
08/26/2003US6611923 System and method for backing up data stored in multiple mirrors on a mass storage subsystem under control of a backup server
08/26/2003US6611411 Trip signal verifying method and apparatus
08/26/2003US6611406 Ground fault circuit interrupter incorporating miswiring prevention circuitry
08/26/2003US6611072 Sensorless stall detection for motors
08/21/2003WO2003069754A1 Protective relay apparatus comprising photoelectriccurrent sensor
08/21/2003WO2003069753A1 A protection device
08/21/2003US20030159132 Conformance execution of non-deterministic specifications for components
08/21/2003US20030159087 Generating a test suite from an abstract state machine
08/21/2003US20030159083 System, method and apparatus for data processing and storage to provide continuous operations independent of device failure or disaster
08/21/2003US20030156374 Electronic overload trip for a low-voltage circuit breaker
08/21/2003US20030156373 Low-voltage circuit breaker comprising a data memory
08/21/2003US20030156369 Reception of protection commands in a remote tripping device
08/21/2003US20030156367 Arc fault circuit interrupter with upstream impedance detector
08/20/2003EP1337023A2 Control arrangement for devices powered by the electric network with off-mains switching
08/20/2003EP1183763B8 An electrical machine winding ground-fault protection system
08/20/2003EP1153379A4 Modular power quality monitoring device
08/20/2003CN2567850Y Overcurrent protector for power converter
08/20/2003CN2567848Y Phase interruption and phase sequence protective relay
08/20/2003CN2567847Y Instantaneous overvoltage protector
08/20/2003CN2567846Y Overvoltage protective device
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