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) |
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08/13/2008 | CN100411270C Distributed visible intelligent electricity consumption control management system |
08/13/2008 | CN100411167C Static discharge protection circuit and method for dissipating static charge |
08/13/2008 | CN100411166C ESD protection circuit and its control method |
08/12/2008 | US7412622 Detection of abnormality subsequent to power activation trigger or power stop command |
08/12/2008 | US7412467 System and method for operation mode control in a computer system |
08/12/2008 | US7411768 Low-loss rectifier with shoot-through current protection |
08/12/2008 | US7411767 Multi-domain ESD protection circuit structure |
08/12/2008 | US7411376 Voltage regulator having overcurrent protection circuit and method manufacturing voltage regulator |
08/12/2008 | US7411319 Safety relay system |
08/12/2008 | US7411314 Automatic shut off of backup power source in the extended absence of AC power |
08/07/2008 | WO2008092829A1 Apparatus for monitoring discharge processes in a conductor of a medium-voltage or high-voltage system |
08/07/2008 | US20080186644 Method of forming an over-voltage protection circuit and structure therefor |
08/07/2008 | US20080186642 Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture |
08/07/2008 | US20080186116 Circuit breaker with independent trip and reset lockout |
08/07/2008 | DE10392524B4 Vorrichtungen mit spannungsvariablem Material zur direkten Anwendung Devices with voltage variable material for direct application |
08/07/2008 | DE102007004598A1 Schutzbeschaltung für Photomultiplierröhren Protective circuit for photomultiplier tubes |
08/07/2008 | DE102007004528B3 Elektrisches Gleichstromnetz für Wasserfahrzeuge sowie für Offshoreanlagen mit erhöhter Abschaltsicherheit DC electrical power for marine propulsion and for offshore facilities with increased Deenergizing |
08/07/2008 | DE102005025160B4 Verfahren zum Löschen von in einer Schaltung auftretenden Latch-Ups sowie Anordnungen zum Durchführen des Verfahrens A method of erasing occurring in a circuit latch-up, as well as arrangements for carrying out the method |
08/07/2008 | DE10115675B4 Verfahren zum Betreiben eines Motors sowie Verwendung A method of operating an engine, and using |
08/07/2008 | CA2677029A1 Apparatus for monitoring discharge processes in a conductor of a medium-voltage or high-voltage system |
08/06/2008 | EP1953890A2 Device and method for injecting an auxiliary signal into the null system of an electric distribution network |
08/06/2008 | EP1952499A1 A tool for generating fault response tolerances for a switching device |
08/06/2008 | EP1558939B1 Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches |
08/06/2008 | CN101237143A A current differential protection judgement method applicable to multi-end power input line |
08/06/2008 | CN101237141A A 8-side transformer differential principle for avoiding CT parallel connection |
08/06/2008 | CN101237139A Intelligent thunder-prevention device |
08/06/2008 | CN101237138A Super thunder-prevention protection mobile jack |
08/06/2008 | CN101237137A Over voltage and under-voltage device |
08/06/2008 | CN101237136A Intelligent over-current protection method |
08/06/2008 | CN101237101A Omnipotent secure plug with the alarm device |
08/06/2008 | CN101236866A Current-leakage protection switch for forward non-buckle release machine |
08/06/2008 | CN101236404A Time-delay switch controller |
08/06/2008 | CN100409530C Converter protector |
08/06/2008 | CN100409521C Differential current protector |
08/06/2008 | CN100409520C Circuit breaker comprising an electronic trigger and a bypass switch |
08/06/2008 | CN100409019C Zero sequence direction measurement element with negative sequence negative direction blocking |
08/06/2008 | CN100409018C Self-adaptable dicrimination for permanent fault of high-voltage electrical network |
08/05/2008 | US7408755 Advanced inrush/transient current limit and overload/short circuit protection method and apparatus for DC voltage power supply |
08/05/2008 | US7408754 Fast trigger ESD device for protection of integrated circuits |
08/05/2008 | US7408752 On-chip ESD protection circuit for compound semiconductor heterojunction bipolar transistor RF circuits |
08/05/2008 | US7408750 Methods of detecting arc faults characterized by consecutive periods of arcing |
08/05/2008 | US7408543 Voltage-supply circuit, voltage-supply method, power-supply circuit, electro-optical unit, and electronic apparatus |
08/05/2008 | US7408432 Receptacle type ground-fault circuit interrupter |
08/05/2008 | CA2348552C Actuator for remote operation of a circuit breaker |
08/05/2008 | CA2346732C A protective relay-based monitoring system of dc power within an electric power substation |
08/05/2008 | CA2299861C Gfci ground fault current filtering |
07/31/2008 | WO2008090776A1 Electric leak detecting circuit and electric leak detecting method |
07/31/2008 | US20080184062 System and method for detecting write errors in a storage device |
07/31/2008 | US20080183775 System and method for generating and managing quick recovery volumes |
07/31/2008 | US20080180868 Protective Circuitry For Photomultiplier Tubes |
07/31/2008 | US20080180867 Power supply device and communication apparatus |
07/31/2008 | US20080180866 Combined arc fault circuit interrupter and leakage current detector interrupter |
07/31/2008 | US20080179966 Grid interconnection device, grid interconnection system, and electric power control system |
07/31/2008 | DE19825383B4 Elektronische Auslöseeinrichtung für einen Leistungsschalter mit einem Rogowski-Stromwandler The electronic trip device for a circuit breaker with a Rogowski current transformer |
07/31/2008 | DE102007003545A1 Kraftfahrzeugbordnetz mit Verpoldetektor Motor vehicle electrical system with reverse polarization |
07/30/2008 | EP1950859A2 Electrical safety device |
07/30/2008 | EP1950784A1 Reset device for a safety electrical device with reduced reset time |
07/30/2008 | EP1950658A1 Data restoring apparatus using journal data and identification information |
07/30/2008 | EP1949516A1 Circuit testing closer apparatus and method with in-rush current awareness |
07/30/2008 | EP1774634A4 Self tuning high voltage power supply |
07/30/2008 | EP0988687B1 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 |
07/30/2008 | CN201094134Y Residual current operation protector with self-diagnostic function |
07/30/2008 | CN101233548A Method for detecting faults of electric network and electric device as well as fire disaster warning facilities |
07/30/2008 | CN101232237A Multiple output power supply |
07/30/2008 | CN101232200A Substance safe type uninterruptible DC voltage stabilizing power source for explosive gas atmosphere |
07/30/2008 | CN101232190A Multifunctional power supply adapter |
07/30/2008 | CN101232172A Circuit breaker |
07/30/2008 | CN101232171A Television power supply protective circuit |
07/30/2008 | CN101232170A Automatic switchover circuit and power supplying circuit with automatic switchover function |
07/30/2008 | CN101232169A Shunted exciter tripping type single-phase short circuit protecting equipment |
07/30/2008 | CN101231549A Method for preventing server machine cabinet from powerdown |
07/30/2008 | CN100407537C 电子设备中的开关型电源保护电路 Electronic equipment switch-mode power supply protection circuit |
07/30/2008 | CN100407533C 过电压控制模块 Overvoltage Control Module |
07/30/2008 | CN100407532C 自动开关控制系统及其控制方法 Automatic switch control system and control method |
07/29/2008 | US7406632 Error reporting network in multiprocessor computer |
07/29/2008 | US7406596 Data transfer and management system |
07/29/2008 | US7405916 Control apparatus of semiconductor switch |
07/29/2008 | US7405915 Protection circuit against electrostatic discharge in semiconductor device |
07/29/2008 | US7405914 Electrostatic discharge protection circuit |
07/29/2008 | US7405913 Semiconductor device having transistor with high electro-static discharge capability and high noise capability |
07/29/2008 | US7405912 Arc fault detection apparatus using microcomputer |
07/29/2008 | US7405910 Multifunction hybrid solid-state switchgear |
07/24/2008 | WO2008088437A1 Voltage protection circuit for power supply device and method therefor |
07/24/2008 | WO2008067299A3 Method and system for isolating disturbances to the power distribution system |
07/24/2008 | WO2008057222A3 Mitigation of current collapse in transient blocking units |
07/24/2008 | WO2007047162A3 A ground-fault circuit-interrupter system for three-phase electrical power systems |
07/24/2008 | US20080178046 Fault-tolerant dynamic editing of gui display and source code |
07/24/2008 | US20080177939 Transaction-safe fat file system improvements |
07/24/2008 | US20080174929 Light emitting diode driver |
07/24/2008 | US20080174928 SSPC technology incorporated with thermal memory effects to achieve the fuse curve coordination |
07/24/2008 | US20080174926 DC high power distribution assembly |
07/24/2008 | US20080174922 Method and apparatus for detecting ground fault current on a power line |
07/24/2008 | DE112006000471T5 Verfahren zur Überwachung einer Stromverteilungseinheit Method for monitoring a power distribution unit |
07/23/2008 | EP1947751A2 The SSPC technology incorporated with thermal memory effects to achieve the fuse curve coordination |
07/23/2008 | EP1946418A2 Switch-fuse with control management for solar cells |
07/23/2008 | EP1946058A2 Reduction of inrush current due to voltage sags |
07/23/2008 | CN101227185A Electromechanical switching circuitry in parallel with solid state switching circuitry |
07/23/2008 | CN101227089A Discriminating and protecting method and apparatus for eliminating single phase ground fault by neutral point non-useful earthing electric network |
07/23/2008 | CN101227088A Multi spot spark triggering surge protector |
07/23/2008 | CN101227083A Method for preventing high tension power line single phase coinciding with permanent fault |