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
06/02/2010CN201498971U Scanning underflow protection device
06/02/2010CN201498452U Plastic shell type circuit breaker
06/02/2010CN101719660A Method for automatically resetting grounding protection device of small-current system
06/02/2010CN101719655A Real-time status monitoring and overvoltage protecting control device
06/02/2010CN101719654A Novel design of power failure warning of power system
06/02/2010CN101719653A Electronic release
06/02/2010CN101320908B Interturn starting method of shunt reactor
06/02/2010CN101316047B Emergency power supply with charger
06/02/2010CN101295874B Electric power line pilot protection decision method based on fault component positive sequence synthetic impedance
06/02/2010CN101242095B A permanent failure judgement method for power transmission line with parallel reactor
06/02/2010CN101236404B Time-delay switch controller
06/02/2010CN101232172B Circuit breaker
06/01/2010US7730334 Method and apparatus for on-demand power management
05/2010
05/27/2010WO2010059427A2 Fault circuit interrupting device having symmetrical inputs
05/27/2010WO2010057761A1 Alignable housing having connections
05/27/2010WO2010057343A2 Method and apparatus for controlling distribution of power
05/27/2010US20100128406 Power supplies
05/27/2010US20100128404 Improper Voltage Detection for Electronic Circuit Breaker
05/27/2010DE102009011225B3 Bus coupling unit for e.g. connecting subscribers to bus system, has protection circuit with MOSFET transistor, where current is limited to maximum level by resistor and transistor arrangement, in case of faulty connection of voltage source
05/27/2010DE102008011597B4 Trennvorrichtung für einen Leistungshalbleiter und Verfahren zu deren Betreiben, Leistungsmodul und Systemanlage Separating device for a power semiconductor and methods of operation, power module and system installation
05/27/2010CA2743270A1 Method and apparatus for controlling distribution of power
05/26/2010EP2190093A2 Apparatus and method for controlling a residual current circuit breaker
05/26/2010EP2188824A1 Method and apparatus for executing secondary functions on an electrical switchgear device
05/26/2010EP1151517B1 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection
05/26/2010CN201490902U Resistor-capacitor decompression power supply circuit
05/26/2010CN201490753U Lightning-proof EPS emergency power supply
05/26/2010CN201490736U Direct current uninterruptable power supply
05/26/2010CN201490691U Protective device with functions of temperature detection and current overload
05/26/2010CN201490688U Phase sequence converter
05/26/2010CN201490687U Protective device for disconnection faults of power supply circuit
05/26/2010CN201490686U Self-recover overvoltage-undervoltage protector
05/26/2010CN201490685U Multifunction power protection circuit
05/26/2010CN201490684U Leakage detection protective circuit
05/26/2010CN201490486U Power supply connector
05/26/2010CN201490484U Power supply extension wire
05/26/2010CN201490482U Power plug with electric leakage protection function
05/26/2010CN201490130U Tripping driving circuit of residual current circuit breaker
05/26/2010CN201489841U Circuit breaker of sodium-cooled fast reactor protecting system
05/26/2010CN201489652U Flameproof handhold receiving device
05/26/2010CN201489047U Three-phase combined over-voltage protection counter
05/26/2010CN201481442U Safety protecting device of computerized tomographic scanning device
05/26/2010CN1913272B Input under-voltage/over-voltage protection circuit
05/26/2010CN1875532B Automated configuration tool for power protection and recovery device and the method
05/26/2010CN1638113B Semiconductor integrated circuit apparatus
05/26/2010CN1573691B Method and system for automatically generating, tracking and calling off a message
05/26/2010CN1487641B Grounding direction relay system
05/26/2010CN1374727B 保护继电装置 Protective relay devices
05/26/2010CN1302465B Adaptive sampling rate based on power system frequency
05/26/2010CN101715265A LED driving power supply control circuit and LED lamp by using same
05/26/2010CN101715264A Over-voltage lockout protection circuit and LED drive circuit using same
05/26/2010CN101714752A Overvoltage and undervoltage protection system
05/26/2010CN101714750A LED protecting chip based on PWM shunt
05/26/2010CN101714749A Electronic circuit breaker
05/26/2010CN101714486A Multi-function circuit interruption accessory
05/26/2010CN101203994B Apparatus for short circuit protection
05/26/2010CN101150248B Method for adjusting over-deviation of failure voltage signal
05/25/2010US7724488 Method for controlling an electronic overcurrent trip for low-voltage circuit breakers
05/25/2010US7724487 Apparatus, system, and method for lossless reverse voltage protection
05/25/2010US7724486 Sensing a current signal in an integrated circuit
05/25/2010US7724484 Ultra broadband 10-W CW integrated limiter
05/25/2010US7723961 MEMS based battery monitoring technical field
05/25/2010US7723872 Method and apparatus for determining a switching time for an electrical switching device
05/25/2010CA2279654C High resistance grounding systems for oil well electrical systems
05/20/2010WO2010054415A1 Residual current circuit breaker
05/20/2010US20100123991 Backup tripping function for a circuit breaker with microcontroller-based fault detection
05/20/2010US20100123990 Low voltage startup timer for a microcontroller-based circuit breaker
05/20/2010US20100123989 Connection unit and vehicle incorporating the same
05/20/2010US20100123988 Overcurrent Protection Device for a Power Supply Device and Related Power Supply Device
05/20/2010US20100123987 Apparatus for Fault Tolerant Digital Outputs
05/20/2010US20100123983 Operational amplifier circuit and arc fault circuit interrupter including the same
05/20/2010US20100123982 Protective device having a thin construction
05/20/2010US20100123981 Multiple Pole Arc-Fault Circuit Breaker Using Single Test Button
05/20/2010DE102008056864A1 Method for protecting e.g. direct current/direct current-converter of motor vehicle, against polarity, involves comparing measured current with switching value, and opening switch if measured current is smaller than switching value
05/20/2010CA2743580A1 Method and system for estimation of source impedence on electrical distribution lines
05/19/2010EP2186178A1 Protective device for protecting an electrotechnical unit and method for the operation thereof
05/19/2010EP2186026A2 Configuration tool and system for intelligent electronic device
05/19/2010EP1709661B1 Protective switch device comprising a differential current triggering device
05/19/2010CN201479418U LED lamp driving circuit with surge protection
05/19/2010CN201479276U Multifunctional television standby electricity-saving device
05/19/2010CN201478832U Voltage-regulation energy saver
05/19/2010CN201478829U Comprehensive system power supply protector
05/19/2010CN201478826U Matrix type lightning surge protector
05/19/2010CN201478814U Low-voltage power distribution system surge protection device
05/19/2010CN201478811U Safety unit with double-warning shell
05/19/2010CN201478798U Protection circuit of electric motorcar
05/19/2010CN201478797U Mine low voltage electric network flame-proof type timing sequence identification concentrate select-leakage protection device
05/19/2010CN201478796U Short-circuit protection device
05/19/2010CN201478795U Circuit breaker
05/19/2010CN201478794U Electric leakage circuit breaker
05/19/2010CN201478793U Circuit breaker
05/19/2010CN201478792U Novel overvoltage leakage protector
05/19/2010CN201478791U Circuit device of electric leakage circuit breaker
05/19/2010CN201478790U Electromagnetic undervoltage release
05/19/2010CN201478789U Small-sized open circuit protection security unit
05/19/2010CN201478788U Overvoltage and overcurrent protection circuit for input of light-current system
05/19/2010CN201478787U Power-supply protecting device
05/19/2010CN201478786U Leakage protection loop of electric automobile
05/19/2010CN201478785U Multifunctional zero interruption leakage protective switch
05/19/2010CN201478784U Transient damage protection device of scan power tube
05/19/2010CN201478783U electronic over-current protector
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