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
03/12/2014CN203481821U Load control system
03/12/2014CN203481804U Self-recovery type three-phase voltage protection relay
03/12/2014CN203481803U PWM output short circuit protection circuit
03/12/2014CN203481798U Frequency converter relay protector
03/12/2014CN203481794U Motor temperature detection and overheating protection circuit
03/12/2014CN203481792U Automatic protection apparatus for output short circuit of DC (direct-current) power supply
03/12/2014CN203481788U Power leakage protection circuit for aero seat
03/12/2014CN203481787U Multistage voltage reduction open circuit protector
03/12/2014CN203481786U Circuit device of solar generator
03/12/2014CN203481785U Protection apparatus for output short circuit of DC (direct-current) power supply
03/12/2014CN203481784U Protection apparatus for output short circuit of DC (direct-current) power supply
03/12/2014CN203481783U Short circuit and overcurrent protection circuit and mass production test equipment
03/12/2014CN203481782U Short circuit protection device for power frequency current and lightning surge automatic selection channel
03/12/2014CN203481781U Intelligent safety protection device of flexible power transmission and distribution system
03/12/2014CN203481780U Circuit protector for electric vehicle
03/12/2014CN203481779U Auto-reclosing plastic casing electric leakage switch
03/12/2014CN203481778U Auto-reclosing intelligent breaker
03/12/2014CN203481777U Auto-reclosing fireproofing switch
03/12/2014CN203481776U Capacitor trip device
03/12/2014CN203481032U Wire breakage alarm box of voltage transformer
03/12/2014CN203475978U Magnetic starting video-recording protector
03/12/2014CN103633977A Double-input switching circuit and power-off protecting method applying same circuit
03/12/2014CN103633734A Power supply apparatus
03/12/2014CN103633679A Electric product, high voltage safety power supply system and high voltage safety protector
03/12/2014CN103633617A Overcurrent protection detection circuit applied to high-power motor drive chips
03/12/2014CN103633616A Overcurrent protection circuit
03/12/2014CN103633615A Protection method for trip loop of distribution terminal
03/12/2014CN103633614A Electronic protection device, method for operating an electronic protection device, and use thereof
03/12/2014CN103633613A Over small-current automatic power-off protection circuit and charger
03/12/2014CN103633612A Vacuum circuit breaker
03/12/2014CN103632895A Direct-current circuit breaker
03/12/2014CN102404903B Lamp driving device
03/12/2014CN102377163B Electronic tripping device with function of monitoring tripping power source
03/12/2014CN102354638B Dual-power automatic transfer switch and overload and short-circuit protection method thereof
03/12/2014CN102282736B Switch control circuit for power supply and power supplying circuit
03/12/2014CN102204053B Multi-staged overvoltage protection circuit
03/12/2014CN102197560B Protection relay and method for controlling transmission level of same
03/12/2014CN102157914B Half-wave rapid detection method for relay protection device
03/12/2014CN102118014B Adaptive load characteristic curve-based load over-current protection method
03/12/2014CN102097779B Anti-interference electricity intelligent control device
03/12/2014CN102088183B Protection circuit with locking control function
03/12/2014CN102067400B Fault current circuit breaker
03/12/2014CN102064524B Electrical power system desynchronization and rapid disconnection judging method
03/12/2014CN101868898B Overcurrent state load detection method in switching circuit, detection circuit and switching circuit
03/12/2014CN101841149B Power source protection circuit and LED lamp
03/11/2014US8670220 Protection circuit for a cascode switch, and a method of protecting a cascode switch
03/11/2014US8670219 High-voltage devices with integrated over-voltage protection and associated methods
03/11/2014CA2455665C Safety shut-off system
03/06/2014WO2014034117A1 Zero-phase-sequence current transformer, ground-fault current detection device, power conditioner, and method of detecting malfunction of zero-phase-sequence current transformer
03/06/2014WO2014032697A1 Switching device and system for operating an electric load
03/06/2014WO2013036385A8 Optimized protection coordination of electronic-trip circuit breaker by short circuit current availability monitoring
03/06/2014US20140063671 Surface mountable over-current protection device
03/06/2014US20140063669 System And Method For Protecting An Electrical Power Grid
03/06/2014US20140063668 Leak current absorption circuit, voltage generating circuit, power supply apparatus, and vehicle
03/06/2014US20140063666 Wireless power overvoltage protection circuit with reduced power dissipation
03/06/2014US20140063662 Solar panel, power inverter, theft and arc protection system and methods of protection
03/06/2014DE102012215466A1 Low voltage power switch of power distribution system, used for interrupting flow of conductor current, has module that performs comparison based on redundant function of switch, and checks whether corresponding function is ensured
03/06/2014DE102012215310A1 Schaltungsanordnung für eine elektrische Schutzeinrichtung Circuit arrangement for an electrical protective device
03/05/2014EP2704279A1 Furniture and device for controlling the movement of a piece of furniture
03/05/2014EP2702655A1 Method and apparatus for clearing a fuse in a single output multi load configuration
03/05/2014EP2680385A9 Differential protection in electrical power networks
03/05/2014CN203466603U High-efficiency anti-interference charging control box
03/05/2014CN203466556U Alarm and self protection circuit for breaker oil pump pressure timeout
03/05/2014CN203466554U High impact tolerance surge protective device
03/05/2014CN203466553U Compact type current leakage protector
03/05/2014CN103618294A Arc light control color screen
03/05/2014CN103618288A Disconnecting link temperature difference self-electricity-generating wireless overtemperature protection device of transformer substation and adjusting method
03/05/2014CN103618287A Lightning protection method and system
03/05/2014CN103618286A Transient over-voltage protection circuit
03/05/2014CN103618285A Over-current over-voltage protection circuit for 4-20mA current input circuit
03/05/2014CN103618284A Low-voltage arc-light quick-acting switching-off control device
03/05/2014CN103618283A Over-current protection device
03/05/2014CN103618282A Intelligent tripping control system and method of anti-interference module
03/05/2014CN103618281A Hybrid type bidirectional full-load direct current cut-off device and cut-off method based on manual zero passage technology
03/05/2014CN103616827A Power source output device and power source output device control method
03/05/2014CN103616045A Electric leakage circuit break monitoring switch
03/05/2014CN102420413B Self-recovery stop type protection circuit for low-voltage and high-power safety barrier
03/05/2014CN102265475B Load circuit protection device
03/05/2014CN101983464B Short-circuit limiting apparatus in low-voltage installation
03/04/2014US8665577 Safe area voltage regulator
03/04/2014US8665574 Thermal memory in a fault powered system
03/04/2014US8665572 Battery charge/discharge protection circuit
03/04/2014US8665571 Apparatus and method for integrated circuit protection
02/2014
02/27/2014WO2014029886A2 Circuit interruption device
02/27/2014WO2014029542A1 Circuit interruption device
02/27/2014WO2014028979A1 An electrical protection device
02/27/2014WO2014006356A3 Protecting electrical distribution equipment against overheating
02/27/2014WO2013190109A3 Electrical circuit for cutting off an electrical supply with relay and fuses
02/27/2014US20140055900 Method and apparatus for enhancing arc fault signal for detection in photovoltaic system
02/27/2014US20140055898 Devices and Methods for Overvoltage Protection
02/27/2014US20140055897 Switching module including switching element controlled to be turned off when conduction failure is detected
02/27/2014US20140055893 Display and Electrostatic Discharge Protection Apparatus
02/27/2014DE102012016847A1 Assembly housing for surge protection device for use in e.g. electrical installation, has fire-preventing substance containing inert gas, that is filled in housing using filling device
02/26/2014EP2701256A1 Devices and methods for overvoltage protection
02/26/2014EP2701255A1 Circuit interruption device
02/26/2014EP2701254A1 Circuit interruption device
02/26/2014EP2700136A1 An arrangement to monitor dc circuit condition
02/26/2014CN203457050U A chip dedicated to LNB power control
02/26/2014CN203456941U Efficient battery and external power supply automatic switching circuit having multiple protection function
02/26/2014CN203456864U Adaptive three-section protection device
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