| 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) |
|---|
| 11/26/2008 | EP1995856A2 A method for communication between a low potential level and a valve located on high voltage potential in a high voltage converter station as well as a device for such a communication |
| 11/26/2008 | EP1995842A1 Safety switch-off device for electrical loads |
| 11/26/2008 | EP1994453A2 Underground monitoring system and method |
| 11/26/2008 | EP1644961A4 Transient protection and current control of devices |
| 11/26/2008 | CN201156834Y All-range illuminating line control apparatus |
| 11/26/2008 | CN201156668Y Surge protector having novel plug device |
| 11/26/2008 | CN201156664Y Security protection circuit using micro-controller PWM to output control signal |
| 11/26/2008 | CN201156663Y Earth fault breaker apparatus having fast reset characteristic |
| 11/26/2008 | CN201156662Y Earthing detection protection circuit controlled by micro-controller |
| 11/26/2008 | CN201156190Y Intelligent electric power feeding apparatus |
| 11/26/2008 | CN101312290A Overload power utilization protector for home |
| 11/26/2008 | CN100438254C Thunderstroke protection circuit capable of avoiding being reliably protecting electric net power supply thander struck by directly |
| 11/26/2008 | CN100438252C Integrated inrush current limiter circuit and method |
| 11/26/2008 | CN100438248C Protective relay |
| 11/26/2008 | CN100437455C Nonvolatile storage system |
| 11/25/2008 | US7457136 Overcurrent protective device for switching element |
| 11/25/2008 | US7457094 Protection device for bus systems |
| 11/25/2008 | US7457093 Protection and indication apparatus |
| 11/25/2008 | US7457092 Current limited bilateral MOSFET switch with reduced switch resistance and lower manufacturing cost |
| 11/25/2008 | US7457091 Pulldown driver with gate protection for legacy interfaces |
| 11/25/2008 | US7457090 Use of a known common-mode voltage for input overvoltage protection in pseudo-differential receivers |
| 11/25/2008 | US7457089 Load driving device with diagnosing unit for overcurrent detector |
| 11/25/2008 | US7457088 Systems and methods for protection of electrical networks |
| 11/25/2008 | US7457086 High voltage ESD power clamp |
| 11/25/2008 | US7456355 Permanently closed enclosure apparatus and method for accessing an internal portion thereof |
| 11/20/2008 | WO2008140061A1 Power supply unit |
| 11/20/2008 | WO2008139285A2 Power converters with component stress monitoring for fault prediction |
| 11/20/2008 | WO2008139283A2 Power converters with rate of change monitoring for fault prediction and/or detection |
| 11/20/2008 | WO2008139215A1 Standby power consumption limiting device |
| 11/20/2008 | WO2008139176A1 Method and apparatus for executing secondary functions on an electrical switchgear device |
| 11/20/2008 | WO2008138557A1 Power switch for preventing accidental arcs |
| 11/20/2008 | US20080285196 Over-voltage indicator and related circuit and method |
| 11/20/2008 | US20080285195 Integrated circuit with protection against electrostatic damage |
| 11/20/2008 | US20080285194 High voltage disconnecting switch control |
| 11/20/2008 | US20080285193 Power supply apparatus |
| 11/20/2008 | US20080285192 Power converters with rate of change monitoring for fault prediction and/or detection |
| 11/20/2008 | US20080285191 Backflow preventing circuit capable of preventing reverse current efficiently |
| 11/20/2008 | US20080285184 Power converters with operating efficiency monitoring for fault detection |
| 11/20/2008 | US20080284253 Switching Unit For Switching a Connection Between a Mains and a Load |
| 11/20/2008 | DE102005046980B4 Sicherungsschaltung zum Schützen einer Last Fuse circuit for protecting a load |
| 11/19/2008 | EP1993182A2 Protection device for load circuits |
| 11/19/2008 | EP1992003A1 Overcurrent switching apparatus |
| 11/19/2008 | EP1992000A1 Device for short-circuiting power semiconductor modules |
| 11/19/2008 | CN201153212Y Circuit closing apparatus having regional interlock |
| 11/19/2008 | CN201153208Y Computer automatic electricity and network cutting protector |
| 11/19/2008 | CN201153207Y Integrated protector for single-phase voltage bias protection and short circuit, overload protection |
| 11/19/2008 | CN201153206Y Electronic type overload relay capable of automatic reset |
| 11/19/2008 | CN101309006A Selective leakage protective detection method and apparatus under coal mine |
| 11/19/2008 | CN101309005A Electric transient anti-surge circuit in vehicle electronic equipment |
| 11/19/2008 | CN101309004A Overcurrent protection circuit |
| 11/19/2008 | CN101309003A Synthetic apparatus of anti-flashover and protection for low-voltage three phase asynchronous motor |
| 11/19/2008 | CN101308972A Novel electric leakage protection socket |
| 11/19/2008 | CN100435445C Automatic electrode |
| 11/19/2008 | CN100435444C Overvoltage protection circuit, and power source, power supply system and electronic apparatus |
| 11/19/2008 | CN100435443C Intelligent leakage protector |
| 11/19/2008 | CN100435442C Overcurrent and overvoltage protector |
| 11/18/2008 | US7454664 JTAGchain bus switching and configuring device |
| 11/18/2008 | US7453680 Power supply with disconnect fuse |
| 11/18/2008 | US7453675 Turbo machinery speed monitor |
| 11/18/2008 | US7453268 Input power protected ratiometric output sensor circuit |
| 11/13/2008 | WO2008136071A1 Phase control switch and switching pole control method in phase control switch |
| 11/13/2008 | WO2008135534A1 Switching device installable according to different operating configurations |
| 11/13/2008 | WO2008135019A2 Device for protecting data lines against overvoltages |
| 11/13/2008 | WO2008134998A1 Method for determining an adjustment value indicating a ground impedance and measurement device |
| 11/13/2008 | WO2008134994A1 Protective arrangement for an energy supply system having a bus bar, infeed branch, and shunt |
| 11/13/2008 | WO2008005928A3 Circuit interrupter with live ground detector |
| 11/13/2008 | US20080282118 Highly Reliable Distributed System |
| 11/13/2008 | US20080278876 Method for Diagnosing a Control Circuit |
| 11/13/2008 | US20080278875 Safety switching apparatus for a failsafe disconnection of an electrical load |
| 11/13/2008 | US20080278871 Method of detecting a ground fault and electrical switching apparatus employing the same |
| 11/13/2008 | DE202008009796U1 Verpolschutzeinrichtung Polarity reversal |
| 11/13/2008 | DE102007022401A1 Leistungsschalter für Störlichtbogenschutz Breaker for arc-fault |
| 11/12/2008 | EP1990884A1 Power supply apparatus and control method therefor |
| 11/12/2008 | EP1989771A1 Systems, devices, and methods for arc fault management |
| 11/12/2008 | EP1989440A2 Energy supply for a blade adjustment device pertaining to a wind energy installation |
| 11/12/2008 | CN201150033Y Power adapter |
| 11/12/2008 | CN201149989Y Universal phase-lacking, phase sequence protector |
| 11/12/2008 | CN201149988Y Overvoltage protector for cutting low-voltage electric network zero curve |
| 11/12/2008 | CN201149987Y Overvoltage protection apparatus |
| 11/12/2008 | CN201149986Y New type neutral line-cutting protector |
| 11/12/2008 | CN201149985Y Multi-function circuit protector |
| 11/12/2008 | CN101304355A Backup cell controller |
| 11/12/2008 | CN101304169A Irregular voltage detection and cutoff circuit using bandgap reference voltage generation circuit |
| 11/12/2008 | CN100433947C Structure of circuit board in use for product of household electrical appliance |
| 11/12/2008 | CN100433481C Earth fault breaker |
| 11/12/2008 | CN100432683C Fault arc detection method and protection circuit thereof |
| 11/11/2008 | USRE40569 Communications processor for electric power substations |
| 11/11/2008 | US7451350 Object oriented scaleable test executive |
| 11/11/2008 | US7451021 Model-based fault detection and isolation for intermittently active faults with application to motion-based thruster fault detection and isolation for spacecraft |
| 11/11/2008 | US7451018 System and apparatus for detecting and monitoring circuit breaker operation |
| 11/11/2008 | US7450362 Method and apparatus for disconnection of a fault current which has occurred in an AC power supply system |
| 11/11/2008 | US7450361 Semiconductor integrated circuit |
| 11/11/2008 | US7450360 Multi-mode regulator |
| 11/11/2008 | US7450359 System and method for providing a temperature compensated under-voltage-lockout circuit |
| 11/11/2008 | US7450357 Electrostatic discharge protection circuit and semiconductor structure for electrostatic discharge |
| 11/11/2008 | US7450354 Linear voltage regulator with improved responses to source transients |
| 11/11/2008 | US7449800 Power control system |
| 11/06/2008 | WO2008133543A1 Zero sequence current generator |
| 11/06/2008 | WO2008077129A3 Active clamp protection device |
| 11/06/2008 | WO2007117480A3 Power supply particularly for a meter-bus |