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)
06/2010
06/17/2010DE102005014167B4 Treiberschutzschaltung Driver protection circuit
06/16/2010EP2197101A2 Data transfer for an electric motor
06/16/2010EP2195900A2 Electrical device for low-voltage applications
06/16/2010EP2195899A2 Fault protection device with ground trip delay and method
06/16/2010CN201509264U LNB power supply circuit with short-circuit protection function
06/16/2010CN201509158U Programmable integrated circuit
06/16/2010CN201509100U Electricity double-power device
06/16/2010CN201509064U Three-phase power source phase-sequence adjusting device
06/16/2010CN201509063U Switch controller
06/16/2010CN201509062U Electronic overload relay
06/16/2010CN201504467U Electronic controller of electric pulsation milking machine
06/16/2010CN101743674A Circuit arrangement for fault notification
06/16/2010CN101742188A LCD (Liquid Crystal Display)-TV power supply voltage detection circuit
06/16/2010CN101741134A Direct-current common grid control device applied to photovoltaic power generation
06/16/2010CN101741066A Main circuit structure for permanent magnet synchronous motor control system
06/16/2010CN101741063A Redundancy sampling calculation-based superposed square-wave voltage type rotor earth-fault protection method
06/16/2010CN101741060A Demarcation circuit breaker device and remote monitoring method thereof
06/16/2010CN101741059A Intelligent electronic leakage protector
06/16/2010CN101741058A Multi-functional electric leakage detecting and warning device
06/16/2010CN101741057A Failure current protection switch
06/16/2010CN101741056A Power protection device for three-phase electric appliance in operation
06/16/2010CN101741055A Method for protecting satellite television LNB from short circuit
06/16/2010CN101741054A Method for limiting current and circuit therefor
06/16/2010CN101741053A Power supply device
06/16/2010CN101741052A Device and method for over-current over-voltage protection
06/16/2010CN101741051A Closing protective relay
06/16/2010CN101741050A Device and method for alarming on interruption of power supply, xDSL outdoor chassis and xDSL system
06/16/2010CN101741049A Control device and control method for residual current circuit breakers
06/16/2010CN101741048A Electric trip-preventing circuit of voltage starting type breaker
06/16/2010CN101218729B Circuit interrupting device having integrated enhanced RFI suppression
06/16/2010CN101194403B Method for avoiding undesired, measurement error-induced protective tripping within a protection system of HVDC transmission system
06/16/2010CN101162851B Controller of low pressure intelligent type circuit breakers with mutual verifying function
06/15/2010US7739393 Apparatus and method for restoring traffic during failover in a cable head end
06/15/2010US7738236 Light weight system for lightning protection of nonconductive aircraft panels
06/15/2010US7738230 Nonvolatile status indicator switch
06/15/2010US7738226 Integrated snubber device on a semiconductor basis for switching load reduction, voltage limitation and/or oscillation attenuation
06/15/2010US7738225 Circuit and method for limiting power to a load
06/15/2010US7738222 Circuit arrangement and method for protecting an integrated semiconductor circuit
06/15/2010US7737809 Circuit interrupting device and system utilizing bridge contact mechanism and reset lockout
06/10/2010WO2010065043A1 System and method for protection in power installations
06/10/2010WO2010063043A1 Fault current circuit breaker
06/10/2010US20100142108 Network unit including network transformer and network protector
06/10/2010US20100141219 Battery protection circuit
06/10/2010US20100141214 Power switching module for battery module assembly
06/10/2010US20100141150 Ballast protecting device
06/10/2010US20100141047 Closed transition automatic transfer switch assembly and associated method
06/10/2010US20100138987 Controller
06/10/2010DE102008060360A1 Schutzschaltungsanordnung Protection circuitry
06/10/2010DE102008060359A1 Protective circuit arrangement for e.g. measurement transducer, in explosive environment, has asymmetrical type transistor providing forward amplification that is larger than rearward amplification
06/10/2010DE102008060274A1 Geräteanordnung umfassend ein elektronisches Gerät und ein Netzteil sowie Verfahren zum Schalten eines Netzteils Device arrangement comprising an electronic device and a power supply and method for switching a power supply
06/10/2010DE102008044301A1 Method for monitoring electric load, involves detecting error, when current value, which characterizes current flowing through load, is greater than threshold value
06/10/2010DE102004020830B4 Sicherheits-Schaltungsverbund mit Ringkonzept für Steuergeräte der Leistungselektronik Safety switch with composite ring approach to control power electronics devices
06/09/2010EP2194628A1 Fault protection system for a network area of a high voltage distribution network
06/09/2010EP2193584A1 Short-circuit limiting apparatus in a low-voltage installation
06/09/2010EP1614203B1 Electric circuit breaker
06/09/2010CN201504098U Alternating current servo driving protection circuit
06/09/2010CN201504091U Electric leakage breaker
06/09/2010CN201504090U Zero line open circuit protection device for low-voltage distribution network
06/09/2010CN201504089U Control circuit for instantly opening type electric water heater generator
06/09/2010CN201504088U Microcomputer distributed control system input/output overcurrent overvoltage protection module
06/09/2010CN201504087U Water heater leakage voltage detection circuit
06/09/2010CN201504086U Water heater leakage current detection circuit
06/09/2010CN201504085U Static zero-power energy-saving charging power supply
06/09/2010CN201504084U Portable digital protection and monitoring device
06/09/2010CN201503971U Safety energy-saving socket
06/09/2010CN201503968U Power socket special for computer office equipment
06/09/2010CN201503966U Power socket with safety circuit
06/09/2010CN201503762U Through type decoupler
06/09/2010CN201503555U Self-checking and electrical leakage locking device of main loop and control loop of direct current chopping speed regulator for mining
06/09/2010CN201503462U Dispersion-type fault alarm unit of LED signal controller
06/09/2010CN1344389B Method and system for managing power consumption in computer system
06/09/2010CN101728819A Intelligent switch and control method thereof
06/09/2010CN101728813A Overvoltage protection method in system connected with power supply network, overvoltage protective apparatus and equipment provided with the overvoltage protective apparatus
06/09/2010CN101728812A Line commutation type fault current limiter
06/09/2010CN101728811A Power supply overcurrent protection method of high-power server
06/09/2010CN101728810A Universal combined plastic shell of protector
06/09/2010CN101728724A Multifunction residual current protecting plug
06/09/2010CN101728137A Direct current circuit-breaker
06/09/2010CN101309006B Selective leakage protective detection method and apparatus under coal mine
06/09/2010CN101295006B Testing device and protecting equipment for capacitor structure
06/09/2010CN101165983B Current limiting short circuit protection circuit
06/09/2010CN101145682B Switch controller and switch device
06/09/2010CN101102037B Digital switchboard
06/08/2010US7733783 Ethernet network availability
06/08/2010US7733619 Overcurrent breaking controller for lamps and lanterns
06/08/2010US7733618 Electrostatic discharge device
06/08/2010US7733617 Self testing digital fault interrupter
06/08/2010US7732940 Apparatus and method for reducing neutral line current using load switching method
06/03/2010US20100134939 Power supply contoller
06/03/2010US20100134935 Line side crowbar for energy converter
06/03/2010US20100134934 Starter motor control circuit
06/03/2010US20100134933 Arc detection circuit
06/03/2010US20100134932 Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture
06/03/2010US20100134931 Hybrid power relay with thermal protection
06/03/2010US20100134930 Protective circuit arrangement
06/02/2010CN201498991U Source-side power-saving control system
06/02/2010CN201498975U Ultralimit protecting device with self-checking system
06/02/2010CN201498974U Under-voltage trip circuit
06/02/2010CN201498973U Power failure protective device for emergency stop electromagnetic valve of governor of hydraulic turbine
06/02/2010CN201498972U Device for protecting high-power electrical appliance
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