Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
11/2008
11/05/2008CN201146376Y Overvoltage protective device for commutation module of DC system
11/05/2008CN201146375Y Minitype breaker for inversion bridge circuit
11/05/2008CN201146374Y Intelligence monitoring apparatus for motor
11/05/2008CN201146373Y Internal connecting type automatic protection electric barrel
11/05/2008CN201146372Y Protection system for motor
11/05/2008CN201146371Y Sampling circuit for open-phase and earth leakage protection
11/05/2008CN201146370Y Apparatus for reducing excitation inrush current of rectifier transformer
11/05/2008CN101299538A Cable-aerial mixed line fault travelling wave ranging method
11/05/2008CN101299537A Centralized decision-making real time emergency control method for large electric network overloading
11/05/2008CN101299536A Power system safety stabilization emergency control policy automatically matching method
11/05/2008CN101299535A Automatic recognition control method for large electric network catenation fault and hetero-position multi-point fault
11/05/2008CN101299534A Power system temporary stability and thermal stabilization cooperativeness emergency control method
11/05/2008CN101299533A Reliability design method for large electric network safety steady cooperativeness defensive system
11/05/2008CN101299532A Closed-loop self-adaption emergency control method for large electric network í«í«(í«centralized coordination, demixing controlí») í»í»
11/05/2008CN101299531A Improved JDC-Z distribution network automatization combination control plan
11/05/2008CN101299530A Intelligent joining-cutting method for large electrified wire netting equipment overloading on-line sensitiveness
11/05/2008CN101299377A Control apparatus for automatic cyclic permutation switch-throwing of transformer cooling system
11/05/2008CN100431254C Power converter
11/05/2008CN100431253C Power unit and high-voltage frequency converter with contactor bypass function
11/05/2008CN100431235C Method and system for sensing switch position to prevent inadvertent startup of a motor
11/05/2008CN100431234C Electronic apparatus
11/05/2008CN100431233C Surface-protection type switching station fault judging method
11/05/2008CN100431232C Estimating of power transmission net state
11/05/2008CN100431231C Generator stator monophase grounding protection by fault component phase angle diffrentiation
11/04/2008US7447568 Electric power network
11/04/2008US7446989 Device for protection of the bearing of an electrical machine against damaging passage of current
11/04/2008US7446988 Fault condition protection
11/04/2008US7446512 Resonant switching power supply device
11/04/2008US7446507 Overcurrent detection method and detection circuit
11/04/2008US7444826 Fault current limiter
10/2008
10/30/2008WO2008107850A3 Method for adjusting a domotic installation and tool for implementing same
10/30/2008WO2007133434A3 Circuit including a superconducting element and a switch, a system including the circuit, and a method of using the system
10/30/2008US20080267234 Apparatus for dissipating heat in electro-optical communications systems
10/30/2008US20080266912 High voltage power supply
10/30/2008US20080266911 Current sensing circuits and methods for a converter
10/30/2008US20080266728 System to Control, Protect and Monitor the Status of Forced Cooling Motors for Power Transformers and Similar
10/30/2008US20080266726 Cooling system for electrical devices
10/30/2008US20080265814 Method of controlling seatbelt retracting device with motor
10/30/2008DE102007020203A1 Movement monitoring device for drive system of e.g. machine tool, has security request unit designed such that requests are implemented by measuring device over output interface in operating mode
10/30/2008DE102007019798A1 Verfahren zum Steuern eines elektrischen Türantriebes A method for controlling an electric door drive
10/30/2008DE102007018344A1 Vorrichtung zum Schutz von Umrichtermodulen Device for protection of inverter modules
10/29/2008EP1985159A2 Circuit arrangement for providing an operating dc voltage
10/29/2008EP1110292B1 Circuit arrangement comprising semiconductor switches in a series configuration
10/29/2008CN201142572Y Protection circuit of lithium battery set
10/29/2008CN201142571Y SCR active inverter with í«inversion failureí» fault protection
10/29/2008CN201142570Y Motor protector
10/29/2008CN201142569Y Motor protector
10/29/2008CN201142568Y Intelligent out-of-step protection device for synchronization motor
10/29/2008CN201142567Y Secondary side open circuit protecting equipment of current mutual inductor
10/29/2008CN201142561Y Digital line protection device
10/29/2008CN201142468Y Charging protection socket for electric car
10/29/2008CN201142348Y On-line passive maintenance device for high-capacity sealed lead acid accumulator
10/29/2008CN201142342Y Charging temperature-control protection reminding device of lead acid accumulator
10/29/2008CN201140389Y Frequency conversion electric tool
10/29/2008CN101297455A A converter station
10/29/2008CN101297450A Fault protection system and method for an electrical power distribution system
10/29/2008CN101297449A A transmission system
10/29/2008CN101297448A A converter station
10/29/2008CN101295930A High voltage power supply
10/29/2008CN101295874A Electric power line pilot protection decision method based on fault component positive sequence synthetic impedance
10/29/2008CN101295873A Medium-voltage power distribution network single-phase ground fault route selection method based on fault procedure analysis
10/29/2008CN101295872A System and method for providing overcurrent and overpower protection for power converter
10/29/2008CN101295871A Laser
10/29/2008CN101295870A Method for discriminating generator stator single-phase ground fault by fundamental wave zero sequence excess current
10/29/2008CN101295869A High-credibility excitation inrush current braking method of transformer device
10/29/2008CN101295866A Circuit board with protection circuit and its protection circuit
10/29/2008CN101295865A Automatic emergency oil supply system of oil-filling cable
10/29/2008CN101295776A 电池组 Battery
10/29/2008CN101294512A Energy-saving method for power generation
10/29/2008CN101293610A Overloading controller for construction elevator
10/29/2008CN100429854C Device for protecting rechargeable batteries with memory capability and its operation method
10/29/2008CN100429853C CT open circuit protector with high sensitivity
10/29/2008CN100429764C Semiconductor integrated circuit device and switching power source device using the same
10/28/2008US7443703 Semiconductor device
10/28/2008US7443698 Converter circuit for switching of a multiplicity of switching voltage levels
10/28/2008US7443643 Inverter device for automobile
10/28/2008US7443642 Electric motor control
10/28/2008US7443640 Apparatus for detecting arc fault
10/28/2008US7443143 Controller of AC generator for vehicle
10/28/2008US7443142 Active rectification of alternator output without using a position sensor
10/28/2008US7443052 DC/DC converter and decentralized power generation system comprising a DC/DC converter
10/23/2008US20080259659 Overload and short protected soft-start converter
10/23/2008US20080259513 Secondary battery protection device
10/23/2008US20080259510 Control Apparatus for an Actuating Device in a Motor Vehicle
10/23/2008US20080259509 Resonance field discharge
10/23/2008US20080258555 Multi-level power supply system for a complementary metal oxide semiconductor circuit
10/22/2008EP1982427A2 A radio frequency coupler, coupling system and method
10/22/2008EP1982396A2 Coordinated fault protection system
10/22/2008CN201138762Y Electric bicycle having standby power supply
10/22/2008CN201138759Y Battery under-voltage protection controller for electric bicycle
10/22/2008CN201138748Y Protecting equipment for electric power secondary circuit tripping and closing coil
10/22/2008CN201138747Y Alternating current inputting over/under voltage protective circuit for switch power supply
10/22/2008CN201138746Y Current sampling adjustment module of motor protector
10/22/2008CN201138745Y Leakage protector for motor
10/22/2008CN201138744Y Protecter for phase failure and phase unbalance of electric motor
10/22/2008CN201138743Y Power-supply module of motor protector
10/22/2008CN201138742Y Output controlling protector for electric motor
10/22/2008CN201138741Y Work indicating lamp module of motor protector
10/22/2008CN201138740Y Anti-stall apparatus for series-excited motors when idle loaded
10/22/2008CN201138739Y Motor protector
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