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)
10/2012
10/17/2012EP2510604A1 Detecting an abnormality of a switch in a high voltage electrical substation
10/17/2012EP2510598A1 Electronic protection circuit and protection device
10/17/2012EP2510367A1 Method for arc detection and devices thereof
10/17/2012CN202495753U Neutral line break protection module of low-voltage circuit breaker with check function
10/17/2012CN202495750U LNB protection circuit and LNB switch circuit
10/17/2012CN202495746U Motor protection device
10/17/2012CN202495745U Novel voltage transformer overcurrent protector
10/17/2012CN202495742U TD-LTE network-based leakage protection device remote control system
10/17/2012CN202495741U Novel electric leakage fire alarm system
10/17/2012CN202495740U Three-phase power supply open-phase protector
10/17/2012CN202495739U Refrigerator undervoltage and instantaneous power-off protector
10/17/2012CN202495738U Undervoltage protection circuit
10/17/2012CN202495737U Lightning-protection overvoltage automatic power-off controller used for electric appliance
10/17/2012CN202495736U Intrinsic safe overvoltage protection device
10/17/2012CN202495735U Overvoltage protection circuit for mining
10/17/2012CN202495734U Overcurrent protection device for distribution box
10/17/2012CN202495733U USB power supply protecting device and mechanism thereof
10/17/2012CN202495732U Automatic recovery electronic fuse with soft start function
10/17/2012CN202495731U Abnormal voltage power-off protection device
10/17/2012CN202495643U Alternating current socket with overvoltage protection
10/17/2012CN202495641U Energy-saving automatic shut-off protection control socket
10/17/2012CN102742243A Checking a configuration modification for an ied
10/17/2012CN102740538A Led drive circuit
10/17/2012CN102740187A DC voltage error protection circuit, related method and system
10/17/2012CN102738891A Wide-area spare power automatic switching logic unified expression method and after-operation overload processing method
10/17/2012CN102738778A Protection device and method of switch cabinet
10/17/2012CN102738777A Rapid distribution network fault self-recovery method based on generic object oriented substation event (GOOSE) message
10/17/2012CN102738772A Protection control method of transformer power module with short-circuit protection unit
10/17/2012CN102738770A Unloading overvoltage control method for auxiliary power generation system of locomotive
10/17/2012CN102738767A Intelligent protection device for on-site withstand voltage equipment
10/17/2012CN102738766A Self-restoring lighting current-limiting chopping device
10/17/2012CN102738765A Circuit protection device and protection method
10/17/2012CN101916547B Driver for driving a plurality of light-emitting components and display equipment
10/17/2012CN101350532B Over-voltage protected battery charger with bypass
10/16/2012US8291176 Protection domain groups to isolate access to memory windows
10/16/2012US8289670 Adaptive power management system for aircraft galleys
10/16/2012US8289668 Charging current compensation for line current differential protection
10/16/2012US8289664 Protective device for an electrical supply facility
10/16/2012US8289183 System and method for solar panel array analysis
10/16/2012CA2558860C Digital signal processor implementation of high impedance fault algorithms
10/16/2012CA2435367C Device and method for protection against overcurrents in an electrical energy distribution cabinet
10/13/2012CA2774348A1 Arrangement for ground-fault detection in an ac circuit and power supply arrangement with ground-fault detection
10/11/2012WO2012136336A2 Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly
10/11/2012WO2012136274A2 Method for operating a recloser
10/11/2012US20120257316 Electrical load control with fault protection
10/11/2012US20120257314 Ground fault circuit interrupter (gfci) monitor
10/11/2012US20120257311 Over Voltage Protection of a Switching Converter
10/11/2012DE112010003778T5 Energieversorgungssteuerung Power supply controller
10/11/2012DE112010003777T5 Leistungsversorgungskontroller Power supply controller
10/11/2012DE102012007229A1 Battery cell assembly for car, has cell module comprising two battery cells in serial connection, and cell electronic system attached to cell module and comprising reverse polarity protection part that comprises fuse and switching element
10/11/2012DE102011016539A1 Ladeeinrichtung für eine Hochspannungsbatterie eines Kraftfahrzeugs, Ladeanordnung und Verfahren zum Betrieb einer Ladeanordnung Loading device for a high voltage battery of a motor vehicle, charging arrangement and method for operating a loading assembly
10/11/2012DE102011016537A1 Ladeeinrichtung für eine Hochspannungsbatterie eines Kraftfahrzeugs, Ladeanordnung und Verfahren zum Betrieb einer Ladeanordnung Loading device for a high voltage battery of a motor vehicle, charging arrangement and method for operating a loading assembly
10/11/2012DE102011006979A1 Electrical power supply network protecting method, involves computing distance between midpoint of fault current and point on origin of impedance plane, and adjusting current threshold value in accordance with formula
10/11/2012DE102011006949A1 Notabschaltvorrichtung einer Photovoltaikanlage Emergency cut a photovoltaic system
10/10/2012EP2509178A1 Protective relay
10/10/2012EP2508904A1 Secondary battery system
10/10/2012CN202488832U Undervoltage protection circuit
10/10/2012CN202488823U Dimming LED (light-emitting diode) controller
10/10/2012CN202488808U Novel LED constant-current driving circuit
10/10/2012CN202488341U Intelligent digitally controlled power source
10/10/2012CN202488131U Grounding conversion device for neutral points of power distribution network
10/10/2012CN202488124U Safe and reliable current transformer protection device
10/10/2012CN202488116U Short circuit protective device and programmable logic controller
10/10/2012CN202488115U Over-current detection and protection circuit for power tube
10/10/2012CN202488111U Overcurrent detection and protection device for inverter
10/10/2012CN202488110U Over-current protective device
10/10/2012CN202488098U Brake-phase short-circuit detecting, judging and protecting device
10/10/2012CN202488094U Mine high voltage electrical network selective earth leakage protection system
10/10/2012CN202488093U Electric leakage discriminating protection device for detecting ground wire leakage current
10/10/2012CN202488092U Intelligent residual current protector used for low-voltage universal breaker
10/10/2012CN202488091U Phase splitting memory phase failure and three-phase current unbalance protection circuit
10/10/2012CN202488090U Power supply overvoltage protection circuit and system based on vehicle-mounted device
10/10/2012CN202488089U Self-staring overload protection circuit
10/10/2012CN202488088U Electric switch operated by synchronous permanent magnet
10/10/2012CN202488087U Alternating-current circuit current limiting and adjusting protector circuit
10/10/2012CN202488086U Novel over-current protection device for voltage transformer
10/10/2012CN202488085U Switching switch triggered controller
10/10/2012CN202488084U Power break protection device of electric equipment
10/10/2012CN102723695A Leakage monitoring chip for leakage protector
10/10/2012CN102723694A Overvoltage and undervoltage protective device for power supply voltage
10/10/2012CN102723693A Load protection circuit and method for electric tool
10/10/2012CN102723692A Overcurrent protection circuit with feedback
10/10/2012CN102723691A A leakage protector
10/10/2012CN102723690A Protection device and engineering machinery
10/10/2012CN102723689A Power auto-cut-off protection circuit and controlling method thereof
10/10/2012CN101673932B Low-voltage cutting device and method for driers
10/10/2012CN101640041B Method for controlling novel automobile horn
10/10/2012CN101616520B LED open circuit guard circuit featuring low cost and high reliability
10/10/2012CN101467226B Switching circuit
10/10/2012CN101366322B Current zero crossing detector in a dimmer circuit
10/09/2012US8286010 Voltage sensor for high-current junction
10/09/2012US8284535 Backup tripping function for a circuit breaker with microcontroller-based fault detection
10/09/2012US8284534 Overcurrent protection circuit, integrated circuit, apparatus and computer program product
10/09/2012US8284533 Semiconductor device including a bootstrap diode, high side power drive circuit, low side power drive circuit, and control circuit for controlling a high side power device and low side power device
10/09/2012US8284532 Over-voltage protection system and electronic device using the same
10/09/2012US8284531 Voltage protection arrangement for an electronic device
10/09/2012US8284529 Reclosing control system and method using superconducting fault current limiter
10/09/2012US8284528 DC switch
10/09/2012US8283899 Reducing current leakage and improving shelf life time of battery-based-devices
10/09/2012US8283812 Inductive power providing system having moving outlets
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