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)
01/2014
01/09/2014WO2014005635A1 A power bay protection device and a method for protecting power bays
01/09/2014WO2014005619A1 Detection of a fault direction in medium voltage power supply networks
01/09/2014US20140009858 Surge arrester with replaceable overvoltage protection mod
01/09/2014US20140009857 Power supply device
01/09/2014US20140009856 Device for detecting a fault in an ac supply
01/09/2014DE102013106370A1 Schaltungsschutz Circuit Protection
01/08/2014EP2682761A1 Measurment at a panel by a reae side placed appliance
01/08/2014EP2681822A1 A control device for controlling a circuit breaker, and methods
01/08/2014CN203387424U Photovoltaic inverter with open-circuit voltage protection function
01/08/2014CN203387177U Lightning protection sale terminal equipment
01/08/2014CN203387158U Vacuum circuit breaker
01/08/2014CN203387157U Rotor short-circuit protection circuit for automobile generators
01/08/2014CN203387156U Circuit protection device
01/08/2014CN203387155U Current-limiting hybrid direct-current circuit breaker based on power electronic compound switch
01/08/2014CN203387154U Protection circuit of fuse
01/08/2014CN203387153U Automatic power-off protection device for phase loss and zero-line deficiency
01/08/2014CN203387152U Rapid cut-off protection circuit
01/08/2014CN203387151U Single-phase power supply inter-phase conversion protection circuit
01/08/2014CN203385335U Intelligent ignition controller of initiating explosive device
01/08/2014CN103503261A Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly
01/08/2014CN103500988A Alternating current-direct current high voltage protection device of electronic chip and achievement method thereof
01/08/2014CN103500985A Protection device and method for rotary supporting bearing and driving motor of thickener
01/08/2014CN103500984A Circuit of miniature residual current circuit breaker
01/08/2014CN103500983A Circuit of miniature electric leakage circuit breaker
01/08/2014CN103500982A Under-voltage tripper circuit for miniature circuit breaker
01/08/2014CN103500981A Intrinsic safety correlator for connecting non-intrinsic safety circuit with ac/dc (alternating-current/direct-current) intrinsic safety circuit
01/08/2014CN103500980A Method and terminal for protecting circuit board
01/08/2014CN103499736A Over-current detection circuit and over-current protection circuit
01/08/2014CN102570431B Method for limiting short circuit current of power grid
01/08/2014CN102394486B Protection module used for double power switch controller
01/08/2014CN102332700B Anti-lightning leakage detection and protection circuit
01/08/2014CN101950945B Fireproof intelligent circuit breaker for dynamic detection, static detection and zero cutoff
01/07/2014US8625248 Electrostatic discharge protector
01/07/2014US8625247 Protective circuit for the input-side protection of an electronic device operating in the maximum frequency range
01/07/2014US8625245 Method for protecting an electronic switch incorporated in an automotive vehicle, for controlling the power supply of an electric load
01/07/2014US8625243 Multi-functional solid state power controller
01/07/2014US8625242 Failsafe galvanic isolation barrier
01/07/2014US8625241 Video apparatus and video circuit for improving video signal quality
01/07/2014US8625240 Input/output circuit with inductor
01/07/2014US8624748 Floating roof monitoring system
01/07/2014US8624694 Residual-current circuit breaker
01/07/2014US8624578 Branch current monitor with configuration
01/07/2014US8624441 Control circuit of cycling switch and control method thereof
01/07/2014CA2500639C Managing resources for ip networking
01/03/2014WO2014003470A1 Driver circuit for an electric vehicle and a diagnostic method for determining when a first voltage driver is shorted to a high voltage and a second voltage driver has a low electrical current flowing therethrough
01/03/2014WO2014003469A1 Driver circuit for an electric vehicle and a diagnostic method for determining when first and second voltage drivers are shorted to a high voltage
01/03/2014WO2014003466A1 Driver circuit for an electric vehicle and a diagnostic method for determining when a first voltage driver is shorted to a low voltage and a second voltage driver is shorted to a high voltage
01/03/2014WO2014002191A1 Current differential relay
01/03/2014WO2014000851A1 Status indicator
01/02/2014US20140002941 Overvoltage protection circuit with self biased latch
01/02/2014US20140002940 Open Neutral Protection
01/02/2014US20140002938 Test device for buck circuit
01/02/2014US20140002937 Differential protection in electrical power networks
01/02/2014US20140002936 Protection circuit
01/02/2014US20140002933 Modular multilevel converter valve protection method
01/02/2014US20140002006 Battery protection circuits
01/02/2014US20140001883 Method for adjusting an inrush current of a domestic appliance, and domestic appliance, in particular cooking range, comprising a control unit for carrying out the method
01/02/2014DE112012001189T5 Verfahren, Systeme und Einrichtungen zum Erkennen paralleler elektrischer Fehlerlichtbögen Methods, systems, and equipment to detect faults parallel electrical arcs
01/01/2014EP2680386A1 Reduction of Inrush Current Due to Voltage Sags by Impedance Removal Timing
01/01/2014EP2680385A1 Differential protection in electrical power networks
01/01/2014EP2680014A2 Power quality diagnosis for power conditioning
01/01/2014EP2678876A1 Fail-safe ground fault circuit interrupter
01/01/2014CN203378105U Low ripple chopper circuit
01/01/2014CN203377594U Multifunctional power switch
01/01/2014CN203377585U Residual current protection circuit
01/01/2014CN203377584U Three-phase non-midline phase-lack, undervoltage and overvoltage protection circuit
01/01/2014CN203377583U Holder RS485 communication interface protection circuit
01/01/2014CN203377582U Overvoltage breaking zero protection device
01/01/2014CN103493320A An arrangement to monitor dc circuit condition
01/01/2014CN103492894A Method and apparatus for determining a fault current portion in a differential current
01/01/2014CN103490512A Alternating-current power supply intelligent distribution box
01/01/2014CN103490403A Method and systems for discharging energy from an electrical fault
01/01/2014CN103490394A Self-synchronizing positive sequence fault component current differential protection method of active power distribution network
01/01/2014CN103490391A PWM output short-circuit protection circuit
01/01/2014CN103490386A Over-temperature protection device for refrigerator compressor
01/01/2014CN103490383A Automatic direct-current power source output short circuit protection device
01/01/2014CN103490382A Grid connection safety device and control method for distributed photovoltaic power generation system
01/01/2014CN103490380A Current limit control method for currents
01/01/2014CN103490379A Electric leakage circuit breaker with anti-interference function
01/01/2014CN103490378A Communication type selective electric leakage protection device
01/01/2014CN103490377A Protection circuit for electric leakage detection
01/01/2014CN103490376A Over-voltage and under-voltage protection device for single-phase source system
01/01/2014CN103490375A Output short circuit protection device for direct-current power supply
01/01/2014CN103490374A Mass production test device and short-circuit current foldback circuit thereof
01/01/2014CN103490373A Method for preventing misoperation of breaker and breaker
01/01/2014CN103490372A Singlechip-based leakage protector
01/01/2014CN103490238A Electric leakage protecting plug
01/01/2014CN103490237A Electric leakage protection plug having over-temperature detecting function
01/01/2014CN102377237B Solar energy and mains supply complementary controller
01/01/2014CN102237615B Novel electric leakage protection socket
12/2013
12/31/2013US8619402 Data port transient protection apparatus and methods
12/31/2013US8619399 Composition of a desired trip curve
12/31/2013US8619398 ESD protection for differential output pairs
12/31/2013US8619396 Renewable one-time load break contactor
12/31/2013US8619395 Two terminal arc suppressor
12/31/2013US8618805 Battery pack with a battery protection circuit
12/31/2013US8618775 Detection of over-current shorts in a battery pack using pattern recognition
12/31/2013CA2735726C Short-circuit distance relay
12/27/2013WO2013190752A1 Overcurrent detecting apparatus, and intelligent power module using same
12/27/2013WO2013190109A2 Electrical circuit for cutting off an electrical supply with relay and fuses
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