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)
03/2014
03/26/2014CN103683178A Data center equipment and over-current and under-voltage protection circuit thereof
03/26/2014CN103683177A Adjustable load control device for controlling electrical load
03/26/2014CN103683176A Automatic reclosing lock device of intelligent circuit breaker
03/26/2014CN103683175A Outdoor intelligent protection device at time of three-phase inconsistence and input method thereof
03/26/2014CN103683174A Safety control apparatus
03/26/2014CN103683173A Method for identifying and marking failed communication connection and current distribution device
03/26/2014CN103678369A Grid fault recovery path search method based on switch disconnecting links and subsystems
03/26/2014CN103675520A Remote analysis method for determining leakage protector faults and AC contactor obstruction or faults
03/26/2014CN103675416A Undervoltage-overvoltage protection device and method
03/26/2014CN102931631B Output earth leakage protection device for high-voltage and direct-current power supply system
03/26/2014CN102882183B Output leakage protection device
03/26/2014CN102576998B Overcurrent protection device and overcurrent protection system
03/26/2014CN102570423B Crossover line permanent fault recognizing method for double circuit lines on same tower
03/26/2014CN102157923B Hierarchical control method for self-healing electric distribution network
03/26/2014CN102118013B Security unit
03/26/2014CN101983465B Device, system and method for automatic self-test for a ground fault interrupter
03/26/2014CN101981777B Protection device
03/26/2014CN101950943B On-line monitoring protection method and device for distributed zero line breakage
03/26/2014CN101609969B A control device for an automatic reset apparatus
03/25/2014US8683251 Determining redundancy of power feeds connecting a server to a power supply
03/25/2014US8681464 Voltage suppressor component
03/25/2014US8681462 Circuit testing closer apparatus and method with in-rush current awareness
03/25/2014US8681461 Selective current pumping to enhance low-voltage ESD clamping using high voltage devices
03/25/2014US8681460 Electrostatic discharge (ESD) protection device
03/25/2014US8681459 Integrated protection circuit
03/25/2014CA2512712C Arc fault circuit interrupter
03/24/2014DE202014100301U1 Selektive Überstromschutzvorrichtung Selective overcurrent protection device
03/20/2014WO2014041796A1 Device for detecting welding of relay
03/20/2014US20140078632 Battery pack, controlling method of the same, and energy storage system including the battery pack
03/20/2014US20140078631 Power distribution systems and methods of operating a power distribution system
03/20/2014US20140078630 Fail operational power system with single energy storage
03/20/2014US20140078628 Power distribution systems and methods of operating a power distribution system
03/20/2014US20140077626 On-Orbit Reconfigurable Solar Array
03/20/2014DE102012216712A1 Verfahren zur Ermittlung eines durch einen elektrischen Leiter fließenden Stromes A method for detecting a current flowing through an electrical conductor current
03/19/2014EP2709296A1 Opto-coupler speedup circuit
03/19/2014EP2709227A1 Overvoltage protection circuit
03/19/2014EP2709226A1 Circuit arrangement, and level converter and comparator circuit for the circuit arrangement
03/19/2014EP2707937A1 Battery charging device and process for operating the same
03/19/2014EP2707931A2 Trip unit including separable component to save restore settings, and circuit breaker including the same
03/19/2014CN203491732U Mobile terminal charger
03/19/2014CN203491683U Short-circuit protecting circuit for large-power IGBT of APF
03/19/2014CN203491670U Zero line broken protector
03/19/2014CN203491669U Overvoltage protective circuit
03/19/2014CN203491668U Overvoltage protection circuit used for voltage-stabilized power supply
03/19/2014CN203491667U Overvoltage protector used for radiofrequency launcher of Internet of Things
03/19/2014CN203491666U Full-automatic electronic appliance over-voltage protection circuit
03/19/2014CN203491665U Automatic reset overvoltage/undervoltage protection circuit
03/19/2014CN203491664U Remote current open circuit protection system
03/19/2014CN203491663U Device for debugging electronic products
03/19/2014CN203491662U Over-voltage over-current protector circuit
03/19/2014CN203491661U Power-supply protection device for power supply station and cross station
03/19/2014CN203491660U Circuit protection device
03/19/2014CN203491659U Fault alarm device with micro-letter function
03/19/2014CN203491075U Current transformer reducing display error of on-site ammeter
03/19/2014CN103650278A Electromotive drive for furniture, comprising a power supply device
03/19/2014CN103650277A Monitoring device for an isolated network of a photovoltaic system
03/19/2014CN103647447A Power supply device of communication module of electric energy meter
03/19/2014CN103647339A Power supply device with multiple power sources in parallel connection
03/19/2014CN103647323A Cell discharge overcurrent protection circuit and cell discharge overcurrent protection method
03/19/2014CN103647261A Portable module protector specially for X-ray machine
03/19/2014CN103647256A Motor control method, device and system
03/19/2014CN103647252A Electric leakage switch having FSK communication function
03/19/2014CN103647251A A vehicle-mounted power supply security control apparatus and a control method
03/19/2014CN103647250A Electromagnetic under-voltage release and controlling method thereof
03/19/2014CN103647249A Under-voltage protection circuit
03/19/2014CN103647248A High-voltage DC rapid breaker
03/19/2014CN102299501B Undervoltage protection circuit
03/19/2014CN102229327B 汽车供电系统 Car power supply system
03/19/2014CN101924342B Abnormal current detecting circuit for circuit breaker
03/19/2014CN101911240B Residual current protection switch
03/19/2014CN101710686B Electronic trip unit of a circuit breaker
03/19/2014CN101682185B Method for determining an adjustment value indicating a ground impedance and measurement device
03/18/2014US8675330 Safety switching device for setting a safety-related device to a safe state
03/18/2014US8675329 Protective device with metering and oscillography
03/18/2014US8675328 Battery charge protection system
03/18/2014US8675327 Fast impedance protection technique immune to dynamic errors of capacitive voltage transformers
03/18/2014US8675326 Bidirectional switch and charge/discharge protection device using same
03/18/2014US8675324 Short-circuit isolator
03/18/2014US8675323 Method of manufacturing a package
03/18/2014CA2586812C High current capable circuit testing closer apparatus and method
03/18/2014CA2550997C Arc fault detector
03/17/2014CA2826574A1 Circuit breakers
03/13/2014WO2014039602A1 Dc power source isolation with diode and bypass switch
03/13/2014WO2014039191A1 Method and apparatus for continuous short-circuit protection
03/13/2014WO2014038646A1 Temperature calculation device
03/13/2014WO2014037143A1 Operating state circuit for an inverter and method for setting operating states of an inverter
03/13/2014WO2012078958A3 Methods and apparatus for sensing ground leakage and automated self testing thereof
03/13/2014US20140071574 Electrical apparatus for the short-circuit protection of a three-phase load in a three-phase system
03/13/2014US20140071572 Surge protection device
03/13/2014US20140071571 Protection device and method for power transmitter
03/13/2014US20140071570 Power interconnect integrity detection
03/13/2014US20140071569 Zone Selective Interlocking for Optical Flash Detection Suppression
03/13/2014US20140071565 Method and protective device for detecting a symmetrical short-circuit in a multiphase electrical power supply network
03/13/2014US20140071564 Arc fault detector, electrical device having the arc fault detector, and method of controlling the electrical device
03/13/2014US20140070877 Limiting circuit for a semiconductor transistor and method for limiting the voltage across a semiconductor transistor
03/12/2014EP2706639A1 Surge protection circuit
03/12/2014EP2706636A1 Arc fault detector, electrical device having the arc fault detector, and method of controlling the electrical device
03/12/2014EP2705586A1 Electromotive drive for furniture, comprising a power supply device
03/12/2014CN203482280U Rescue device for caring for elderly
03/12/2014CN203481894U Charging cabinet
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