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