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)
07/2010
07/01/2010US20100165521 Parallel arc detection using discrete wavelet transforms
07/01/2010US20100165520 Method and Apparatus For Tripping Circuit Breaker
07/01/2010US20100164528 Methods and Apparatus to Test Electronic Devices
07/01/2010US20100164236 Engine generator set control
07/01/2010DE102004030634B4 Verfahren und Anordnung zur Detektion einer Kollision in einem Kommunikations-Netzwerk Method and apparatus for detecting a collision in a communication network
07/01/2010CA2748458A1 Phase-control switchgear and phase-control method for switchgear
06/2010
06/30/2010EP2202861A2 Method and apparatus for tripping circuit breaker
06/30/2010EP2202860A2 Universal rating plug for electronic trip unit
06/30/2010EP2202859A2 Parallel arc detection using discrete wavelet transforms
06/30/2010EP2202593A1 Servo system and safety control device
06/30/2010EP2201393A1 Method for fault location on series compensated power transmission lines with two-end unsynchronized measurement
06/30/2010EP1859465B1 Electric supply circuit, switch actuating device and method for operating said switch actuating device
06/30/2010CN201518557U Circuit layout structure compatible with various USB power supply protection circuits
06/30/2010CN201518554U Energy-saving lamp with adjustable light
06/30/2010CN201518411U Novel overvoltage protector
06/30/2010CN201518410U Automatic electricity-limiting controller
06/30/2010CN201518096U Automatic shut-off device of analytic instrument
06/30/2010CN201518047U Carrier electric meter capable of storing and identifying load
06/30/2010CN201517725U Safety mini night light
06/30/2010CN101765953A Earth leakage circuit breaker with function for detecting reverse leakage current
06/30/2010CN101764390A Power-off protector with feedback control function and feedback control method thereof
06/30/2010CN101764389A Anti-overvoltage measurement and control system and method
06/30/2010CN101764388A Over-current protection device and method thereof
06/30/2010CN101764387A Arc detection using detailed and approximate coefficients from discrete wavelet transforms
06/30/2010CN101764386A Method for collection and control with single collecting controller
06/30/2010CN101762773A Detection method and detection device for ground protection of high-voltage equipment
06/29/2010US7747920 Method and apparatus for unifying self-test with scan-test during prototype debug and production test
06/29/2010US7747879 Power distribution system using solid state power controllers
06/29/2010US7747356 Integrated protection, monitoring, and control system
06/29/2010US7747354 Circuit protection system
06/29/2010US7746617 Overload relay and operating method thereof
06/29/2010US7746616 Protection circuit and method of protecting a load circuit
06/29/2010US7746615 Adaptive multi-level threshold system and method for power converter protection
06/29/2010US7746614 Drive circuit for switching device
06/29/2010US7746613 Method and apparatus for providing an adaptive current limiter
06/29/2010US7746607 Substrate triggering for ESD protection in SOI
06/29/2010US7746606 ESD protection for integrated circuits having ultra thin gate oxides
06/29/2010US7746605 Arc fault circuit interrupter and method of detecting and interrupting a resistive series arc of a power circuit
06/29/2010US7746604 Method, system, and computer software code for detection and isolation of electrical ground failure and secondary failure
06/29/2010US7746027 Electric power controller for vehicle mounting
06/29/2010US7745956 Grid interconnection device, grid interconnection system and transfer trip system
06/29/2010CA2688785A1 Parallel arc detection using discrete wavelet transforms
06/29/2010CA2688772A1 Universal rating plug for electronic trip unit
06/24/2010WO2010071457A1 Islanding detection system
06/24/2010WO2010069012A1 A protection system for an it electrical distribution system having a floating reference conductor
06/24/2010WO2010069011A1 A sentinel unit for an it electrical distribution system having a floating reference conductor
06/24/2010US20100157497 Field configurable rating plug using communication and control signal
06/24/2010US20100157490 Leakage current protection device
06/24/2010US20100157488 Arc detection using detailed and approximate coefficients from discrete wavelet transforms
06/24/2010DE202009017342U1 Elektronische Schaltung Electronic circuit
06/24/2010DE102008063816A1 Protection device for protecting automation device e.g. field bus coupler, against overvoltage in e.g. vehicle engineering, has limiting units limiting voltage at input of supply unit during exceeding limit value of supply voltage
06/23/2010EP2198508A2 Method and apparatus for a power conversion device
06/23/2010CN201515252U 平衡充电器 Balance Charger
06/23/2010CN201515233U Three-load switching device
06/23/2010CN201515228U Low-voltage reactive-compensation intelligent capacitor
06/23/2010CN201515210U DC power recording and overcurrent protecting device of electric locomotive
06/23/2010CN201515208U Control circuit board for earth leakage protective device
06/23/2010CN201515207U Earth leakage circuit-breaker
06/23/2010CN201515206U Surge protector
06/23/2010CN201515205U Earth leakage checking protective circuit
06/23/2010CN201515204U Single-phase triple-pole power safety alarming circuit
06/23/2010CN201515203U Power supply monitoring device
06/23/2010CN201515183U Intelligent integrated distribution box with leakage protection remote monitoring function
06/23/2010CN201515109U Novel leakage protection socket
06/23/2010CN201513333U Device for distinguishing and protecting power phase sequence in comprehensive intelligent control equipment of air compressor
06/23/2010CN1334984B Current limiting device
06/23/2010CN101755371A Charge monitoring device
06/23/2010CN101753003A Protective device of boost converter
06/23/2010CN101752906A High-voltage switch intelligent control system and control method thereof
06/23/2010CN101752901A Method, system, equipment and device for synchronizing data sampling at different places
06/23/2010CN101752848A Blocking judging method for excess voltage protection of extra-high voltage line
06/23/2010CN101752842A Method and arrangement for monitoring connections of switch intended for activating safety function
06/23/2010CN101752839A Method for improving valve short circuit protection and setting performance of current converter
06/23/2010CN101752832A Electric-leakage circuit breaker
06/23/2010CN101752831A Electrical switch device and electricity leakage protective device
06/23/2010CN101752830A Open-phase protection contactor
06/23/2010CN101752829A Undervoltage protection circuit and switching power supply
06/23/2010CN101752828A Low-voltage protection device
06/23/2010CN101752827A Overvoltage, under-voltage and hysteresis protection circuit of input voltage
06/23/2010CN101752826A Keying pulse trigger circuit
06/23/2010CN101752825A Constant-value signal control circuit
06/23/2010CN101752824A Overload protection method, overload protection device and system for load
06/23/2010CN101752148A Circuit breaker with selectivity
06/23/2010CN101562322B Network power supply graded latch-selective power-off control system under coal mine well
06/23/2010CN101227076B Fault self-checking circuit of earthing fault breaker
06/23/2010CN101183781B Shunt inductance current-limiting breaker
06/22/2010US7742284 Fuse module with movable fuse holder for fused electrical device
06/22/2010US7742268 Electric vehicle control apparatus
06/22/2010US7741937 Power switching apparatus and method of controlling the same
06/22/2010US7741794 Load drive control circuit
06/22/2010CA2688115A1 Arc detection using detailed and approximate coefficients from discrete wavelet transforms
06/17/2010WO2010066476A1 Substation automation wiht redundant protection
06/17/2010US20100153606 Approaches for meeting smi duration limits by time slicing smi handlers
06/17/2010US20100152914 Remotely controllable wireless energy control unit
06/17/2010US20100149712 Digital Overcurrent Protection Device for a Power Supply Device and Related Power Supply Device
06/17/2010US20100149709 Power over ethernet transient voltage suppression patch panel
06/17/2010US20100149708 Integrated electric power distribution center fire protection system
06/17/2010US20100149700 Power distribution system and electrical switching apparatus employing a filter trap circuit to provide arc fault trip coordination
06/17/2010US20100148697 Microprocessor-Controlled Multifunction Light With Intrinsically Safe Energy Limiting
06/17/2010DE102009053398A1 Verpolschutz Reverse polarity protection
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