Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
03/2014
03/12/2014CN203481800U Protective device for motor inverter for new energy vehicle
03/12/2014CN203481799U Flyback bias protection circuit
03/12/2014CN203481798U Frequency converter relay protector
03/12/2014CN203481797U Intelligent type single-phase asynchronous motor
03/12/2014CN203481796U Current detection and over-current protection circuit of motor winding
03/12/2014CN203481795U A multifunctional motor safety control case
03/12/2014CN203481794U Motor temperature detection and overheating protection circuit
03/12/2014CN203481793U Direct current balancing device
03/12/2014CN203481792U Automatic protection apparatus for output short circuit of DC (direct-current) power supply
03/12/2014CN203481791U Protective fixed value input device
03/12/2014CN103635366A Method, regulating and/or control unit, and parking brake having a regulating and/or control unit of said type for adjusting a parking brake in a vehicle
03/12/2014CN103633888A Motor positive and negative rotation control circuit
03/12/2014CN103633837A DC-DC circuit used for low-voltage working condition of vehicle electronic control unit
03/12/2014CN103633784A Electric rotating machine with load dump protector
03/12/2014CN103633631A Method for breaking high-voltage (HV) superconducting current-limiting direct current (DC) circuit breaker
03/12/2014CN103633630A Protection method for identifying fault braches based on zero-sequence active ratio
03/12/2014CN103633629A High-voltage direct current power transmission line protection method based on wavelet transformation and energy spectrum analysis
03/12/2014CN103633628A Battery protective circuit
03/12/2014CN103633627A Method and circuit for overvoltage protection control of four-switch Buck-Boost converter
03/12/2014CN103633626A Control circuit
03/12/2014CN103633625A Motor monitoring protection device
03/12/2014CN103633624A Comprehensive protection method for direct-drive type permanent magnet wind generator
03/12/2014CN103633623A High-voltage direct-current (DC) transformer and control method thereof
03/12/2014CN103633622A Method and system for ultra-high voltage regulating transformer excitation inrush current identification
03/12/2014CN103633621A Short-time opening protection based transformer dead zone fault relay protection method
03/12/2014CN103633620A Novel configuration method for zero-sequence differential protection of converter transformer
03/12/2014CN103633619A Cross-interval shared information-based method for main-transformer backup protection accelerated tripping operation based on
03/12/2014CN103633616A Overcurrent protection circuit
03/12/2014CN102709892B Generalized element-based protection control method
03/12/2014CN102570422B Method for calculating critical clearing time of power system according to actual measurement track
03/12/2014CN102570407B Chip for protecting battery and printed circuit board (PCB)
03/12/2014CN102570396B Anti-explosion automatic switch of motor electric leakage early warning device
03/12/2014CN102480225B Direct voltage supplying device
03/12/2014CN102412563B Motor start-up procedure protector
03/12/2014CN102334269B Power factor correction circuit with overcurrent protection
03/12/2014CN102306929B Method and system for realizing fault self-healing
03/12/2014CN102282736B Switch control circuit for power supply and power supplying circuit
03/12/2014CN102271445B Intelligent power-supply control system of street lamps
03/12/2014CN102255292B High-voltage transmission line distance protection method based on parametric recognition
03/12/2014CN102185291B Island detection method and island detection system
03/12/2014CN102118016B Charger protection circuit, charger provided with same and manufacturing method thereof
03/12/2014CN102088183B Protection circuit with locking control function
03/12/2014CN102064527B Control and protection system of series compensation device or fault current limiter
03/12/2014CN102005742B Distributed power generation island detection system and method based on power frequency carrier wave
03/12/2014CN101848593B Abnormal electronic ballast state protection circuit, electronic ballast and lamp
03/12/2014CN101841149B Power source protection circuit and LED lamp
03/12/2014CN101710693B Micromotor protective circuit, search lamp control device and micromotor excess flow control method
03/12/2014CN101499657B Remote wired, wireless wideband network and electrical power system
03/11/2014US8670247 Isolated DC-DC converter with active clamp circuit
03/11/2014US8669731 Motor drive apparatus and method, and electric power steering system using the same
03/06/2014WO2014035284A1 Device for operative monitoring of the technical condition of high-voltage power-transmission lines
03/06/2014WO2014032915A1 Magnetizing inrush current detection method, magnetizing inrush current restraint method and device
03/06/2014WO2014032256A1 System and method for protecting electrical machines
03/06/2014WO2014032249A1 System and method for detecting islanding of electrical machines and protecting same
03/06/2014US20140063876 Apparatus and methods for input protection for power converters
03/06/2014US20140063870 Apparatus and methods for restoring power cell functionality in multi-cell power supplies
03/06/2014US20140063858 Supply voltage control
03/06/2014US20140063677 Protection device
03/06/2014US20140063661 Motor relay with integrated arc-flash detection
03/06/2014DE102013216939A1 Switch arrangement for use in power distribution system, has downstream switches connected with upstream switch over common interface, where signals are formed as cancellation signals whose reception completes delay by upstream switch
03/06/2014DE102013216755A1 Steuerungsstrategie für eine fahrzeug-elektromaschine Control strategy for a vehicle electric machine
03/06/2014DE102012215337A1 Battery cell module for battery system of e.g. electric-motor driven motor car, has lithium ion battery cell, and switch that is provided for automatic separation and restoration of electrical connection
03/06/2014DE102012215310A1 Schaltungsanordnung für eine elektrische Schutzeinrichtung Circuit arrangement for an electrical protective device
03/05/2014EP2702686A2 Method and control device for protection time setting in an electric drive system
03/05/2014EP2702685A2 Method for operating a generator in an electrical system, and electrical system having such a generator
03/05/2014EP2702660A2 Hvdc power transmission with cable fault ride-through capability
03/05/2014EP2702655A1 Method and apparatus for clearing a fuse in a single output multi load configuration
03/05/2014CN203466603U High-efficiency anti-interference charging control box
03/05/2014CN203466594U Solar energy assistance electric vehicle charging station
03/05/2014CN203466564U Automation three-layer-protection system of distribution network
03/05/2014CN203466563U Distribution-network-area protection and self-healing system
03/05/2014CN203466562U Intelligent circuit breaker
03/05/2014CN203466561U Digital electric arc protection system for chemical engineering equipment
03/05/2014CN203466560U Intelligent lithium battery guide plate
03/05/2014CN203466559U Lithium battery charging and discharging protection circuit
03/05/2014CN203466558U Single-stage PFC flyback power supply input undervoltage protection circuit
03/05/2014CN203466557U Vehicle-borne low-voltage power output short-circuit protection circuit
03/05/2014CN203466556U Alarm and self protection circuit for breaker oil pump pressure timeout
03/05/2014CN203466555U Protective device of opening coil and closing coil of breaker
03/05/2014CN203464330U Control circuit of lithium battery cigarette lighter
03/05/2014CN203463513U Load protection device of hydraulic coupler
03/05/2014CN203459160U Device for preventing locking of belt type iron separator drive motor
03/05/2014CN103620948A Electrical machine comprising a safety circuit
03/05/2014CN103620947A A switch arrangement
03/05/2014CN103620940A Power conversion device
03/05/2014CN103620909A Power receiving device, power transmitting device, vehicle, and contactless power supply system
03/05/2014CN103620720A Magnetizing inrush current suppressing device
03/05/2014CN103620715A Short-circuiting device for photovoltaic array
03/05/2014CN103618353A Battery monitoring circuit
03/05/2014CN103618338A Grid-connected access structure of distributed photovoltaic power station and 10-kV busbar of power distribution station
03/05/2014CN103618300A High-sensitivity traveling-wave protection method for high-voltage direct current power transmission line
03/05/2014CN103618299A Power distribution network different-place two-point grounded short circuit fault fast recognizing and isolating method based on wide-range information
03/05/2014CN103618298A High-voltage direct-current breaker
03/05/2014CN103618297A High-efficiency and high-reliability fault processing method aiming at complex power distribution network
03/05/2014CN103618296A Breaker failure protection blocking method
03/05/2014CN103618295A Photoelectric type arc light protecting system
03/05/2014CN103618294A Arc light control color screen
03/05/2014CN103618293A Three-level circuit short-circuit protection method and device and three-level circuit
03/05/2014CN103618292A System and method for protecting power source conversion system against thermal runaway
03/05/2014CN103618291A Transformer dead-zone fault relay protection method based on rapid removal and sealed TAs
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