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)
04/2010
04/21/2010CN101697409A Voltage deviation action protecting device
04/21/2010CN101696986A Fault arc detection method and protection device adopting same
04/21/2010CN101695906A Automatic switch-on and switch-off device of overhead line of electric locomotive
04/21/2010CN101350514B Current-limiting arc-extinguishing shunted exciter tripping type earthing short circuit protection device
04/20/2010US7701685 Digital pulse width modulator with built-in protection functions for over current, over voltage and temperature
04/20/2010US7701682 Electrostatic discharge protection
04/20/2010US7701680 Ground-fault circuit interrupter
04/20/2010US7701679 Bathing system controller having abnormal operational condition identification capabilities
04/20/2010CA2607078C Cable integrity monitor for electromagnetic telemetry systems
04/16/2010CA2739096A1 Overhead communicating device
04/15/2010WO2010042584A1 Visual indication of fault status, storage and clearance in an arc fault circuit interrupter (afci)
04/15/2010WO2010042442A1 Overhead communicating device
04/15/2010WO2010041085A1 Automatic switching apparatus.
04/15/2010WO2010040713A1 Device and method for protecting a link in a medium-, high- or very high-voltage electric network
04/15/2010WO2010005987A3 Fault circuit interrupter device
04/15/2010US20100095019 Virtual Interface
04/15/2010US20100091422 Lightning strike migitation for aircraft
04/15/2010US20100091420 Control circuit with protection circuit for power supply
04/15/2010US20100091419 Motor drive ground fault detection
04/15/2010DE202009013358U1 Anordnung zum Schalten von Schutzkomponenten Arrangement for switching of components
04/15/2010DE102008051514A1 Over-voltage monitoring arrangement for securing operation of security module in e.g. safe driver, has transistor and comparator by which power cut-off is realized so that current path is broken after measurement of comparison result
04/15/2010DE102008018619B4 Einschaltstrombegrenzung bei Transformatoren Inrush current in transformers
04/15/2010DE102004044114B4 Videoeingangsschutzschaltung zum Schutz gegen Kurzschluss zur Batterie unter Beibehaltung eines Abschlusswiderstands Video input protection circuit for protection against short circuit to the battery while maintaining a terminating resistor
04/15/2010CA2739791A1 Visual indication of fault status, storage and clearance in an arc fault circuit interrupter (afci)
04/14/2010EP2175538A2 Improved line current differential protective relaying method and relay for in-zone tapped transformers
04/14/2010EP2175537A2 Differential power detection
04/14/2010CN201438447U Electrical switch device and tripping unit of circuit interrupter used in circuit
04/14/2010CN101694935A Overvoltage cutting device and method for dryer
04/14/2010CN101694934A Contactor with function of limiting short circuit current
04/14/2010CN101694823A B type intelligent circuit breaker with automatic switching-in function
04/13/2010US7698689 Method for meeting SMI duration limits by time slicing SMI handlers
04/13/2010US7697255 Dissipator
04/13/2010US7697251 Powered communications interface with DC current imbalance compensation
04/13/2010US7697249 Voltage clamping circuits using MOS transistors and semiconductor chips having the same and methods of clamping voltages
04/13/2010US7697248 Electrical arc fault circuit interrupter apparatus and method
04/13/2010US7696647 Coupling node
04/08/2010WO2010039995A1 Automatic heat tracing control process
04/08/2010WO2010037936A1 Segmental electronic circuit breaker and installation comprising same
04/08/2010WO2010037711A1 Method and protective device for producing an error signal indicating a winding error in a transformer
04/08/2010WO2010037579A1 Device and method for limiting the rail potential in a dc railway
04/08/2010US20100085674 Hardware Based Over-Current Protection Circuitry for Power Distribution Systems
04/08/2010US20100085673 Over-voltage and under-voltage protection system
04/08/2010US20100085671 Arc monitor
04/08/2010US20100085670 Photovoltaic module monitoring system
04/08/2010US20100085669 Arc fault detection using fuzzy logic
04/08/2010US20100085206 Visual Indication of Fault Status, Storage and Clearance in an Arc Fault Circuit Interrupter (AFCI)
04/08/2010DE19841610B4 Schalterauslöseeinheit Circuit breaker trip unit
04/08/2010DE19655286B4 Verfahren zur automatischen Korrektur eines anormalen Betriebszustandes in einem Servosteuersystem Method for the automatic correction of an abnormal operating condition in a servo control system
04/07/2010EP2173016A1 Switch for an electric consumer with a voltage switching device
04/07/2010EP2171836A1 Layered structure connection and assembly
04/07/2010EP2171820A1 Earth leakage circuit breaker with function for detecting reverse leakage current
04/07/2010CN201436755U Protector case
04/07/2010CN101286632B Device to send out alarming indication when abnormal voltage appearing in grounding system
04/06/2010US7693610 Remotely controllable wireless energy control unit
04/06/2010US7692912 System and method for information handling system display backlight protection and monitoring
04/06/2010US7692910 Failure detection in a voltage regulator
04/06/2010US7692909 Power supply device having overvoltage cutoff function, image display device, and method of cutting off overvoltage
04/06/2010US7692908 Protection of polarity-sensitive components connected in parallel with a direct current motor or inductor
04/06/2010US7692907 Circuit for electrostatic discharge (ESD) protection
04/06/2010US7692906 Device for protecting an integrated circuit against latch-up phenomena
04/06/2010US7692904 Ground fault circuit interrupter
04/06/2010US7692903 Apparatus and method for controlling a circuit breaker trip device
04/01/2010WO2010035168A1 Current limiting controlling for power supply, e.g. led driver, having automatic reset
04/01/2010US20100079922 Self powered electronic overload method and system
03/2010
03/31/2010EP2169799A2 Directional detection of a ground fault
03/31/2010EP2169798A2 Self Powered Electronic Overload Method and System
03/31/2010CN201435767Y Camera protective plate and camera
03/31/2010CN201435622Y Pilot controller of mineral electrical apparatus
03/31/2010CN201435603Y Arc extinction and over voltage protection device
03/31/2010CN201435601Y Transient overvoltage protection device
03/31/2010CN201435599Y Power capacitance protector
03/31/2010CN201435596Y Overvoltage creepage protector with display function
03/31/2010CN201435595Y Voltage protection converter
03/31/2010CN201435503Y Over-temperature over-current protecting power plug
03/31/2010CN201435363Y Intelligent load limiting breaker
03/31/2010CN201434979Y Intelligent plastic-case controller based on grounding vector protective algorithm
03/31/2010CN101689445A Switching device installable according to different operating configurations
03/31/2010CN101688892A Method and device to predict a state of a power system in the time domain
03/31/2010CN101685960A Method and controller for preventing automobile spontaneous combustion
03/31/2010CN101685959A Electrical intelligent fire disaster protector
03/31/2010CN101683947A Elevator control device
03/30/2010US7689872 Autonomic program error detection and correction
03/30/2010US7689295 Method and system for monitoring and control of complex systems based on a programmable network processor
03/30/2010US7688564 Pluggable surge protector
03/30/2010US7688562 Status relay including a current switch
03/30/2010US7688561 Ultra-low power limiter
03/30/2010US7688560 Overload protection method
03/30/2010US7688558 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof
03/30/2010US7688556 Arc-discharge detection device
03/30/2010US7688121 Power supply voltage detection circuit
03/30/2010US7687935 Electrical power control system
03/25/2010WO2010033851A1 Electro-optical radiation collector for arc flash detection
03/25/2010WO2010033845A1 Protective device with metering and oscillography
03/25/2010WO2010033842A1 Arc flash protection with self-test
03/25/2010WO2010033839A1 Distributed bus differential protection using time-stamped data
03/25/2010WO2010033837A1 Validation of arc flash detection systems
03/25/2010WO2010033830A1 Secure arc flash detection
03/25/2010WO2010032682A1 Reclosing method for electrical power transmission line
03/25/2010WO2010031148A1 Method and apparatus for detecting a fault in an active line, neutral return line or earth return path of an electrical network
03/25/2010US20100073841 Apparatus and method for fire protection of electrical installations
1 ... 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 ... 331