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)
12/2012
12/12/2012CN202602245U AC 220V power supply three-terminal protection device
12/12/2012CN202602244U Distributed output over-current protection circuit
12/12/2012CN202602243U LED (Light-Emitting Diode) illumination power supply protection circuit
12/12/2012CN202602242U Self-recovery over-current and over-temperature protective device
12/12/2012CN202602241U Full-automatic time-delay dual-control reset and failure indication circuit
12/12/2012CN202602240U Alarming and protecting circuit against grounding wire lack in voltage stabilizer
12/12/2012CN202602239U Multi-channel monitoring and controlling circuit for DC remote power supply
12/12/2012CN202600036U Overcurrent carrier alarm device
12/12/2012CN102822967A Power module and power conversion device provided with said power module
12/12/2012CN102820644A Dipolar resettable voltage deviation protector
12/12/2012CN102820640A Method for blocking elements in zero-sequence direction for double-circuit lines on same tower
12/12/2012CN102820639A Overcurrent protection method for mainboard USB (universal serial bus) interface
12/12/2012CN102820638A Overcurrent protection device and electronic equipment
12/12/2012CN102820637A Circuit self-locking protective device with self-recovery function
12/12/2012CN102820636A DSP (digital signal processor) based protection device of mining feeder switch
12/12/2012CN101976814B Medical power supply management circuit
12/12/2012CN101969194B Interface anti-static method, anti-static protection circuit and electrical equipment
12/12/2012CN101924343B Multifunctional circuit for controlling and protecting switching apparatus
12/12/2012CN101860006B Electric leakage protection device suitable for electric water heater
12/12/2012CN101820162B Overcurrent protector
12/12/2012CN101512861B Method and differential protection device for generating fault signal for displaying fault of current transformer secondary circuit
12/12/2012CN101467322B Residual current device having voltage dependent and voltage independent modes of operation
12/11/2012US8331073 Electromagnetic pulse protection circuit having wave filtering capability
12/11/2012US8331070 Power supply with open-loop protection
12/11/2012US8331068 ESD protection for FinFETs
12/11/2012US8331067 Method and apparatus for moving material
12/11/2012US8330423 Electronic apparatus and battery check method
12/11/2012US8330407 Electronic system and protection method for electric motors
12/09/2012CA2776185A1 Multiple channel light source power supply with output protection
12/06/2012WO2012163756A1 Ground fault protection
12/06/2012WO2012163580A1 Method for the operation of an inverter, and inverter
12/06/2012WO2012163579A1 Method for the operation of an inverter, and inverter
12/06/2012US20120307410 Semiconductor integrated circuit and manufacturing method thereof
12/06/2012US20120307409 Alternating current contactor with mechanical short circuit self-locking function
12/06/2012DE102011076732A1 Spannungsversorgungsschaltung und Verpolschutzschaltung Voltage supply circuit and polarity reversal protection circuit
12/05/2012EP2530801A1 Ground fault protection
12/05/2012EP2529466A2 Interface device between two parts of an electrical network
12/05/2012EP2529459A2 Circuit breaker panel
12/05/2012CN202587469U Light fixture switch control circuit
12/05/2012CN202586836U Blower dual power supply electromagnetic starter with instant power failure self recovery function
12/05/2012CN202586774U Power supply unit with overvoltage protection
12/05/2012CN202586752U Low-voltage protection linear power supply circuit and television set
12/05/2012CN202586484U Double-circuit power supply circuit having precharge function during electrification and high-voltage frequency converter
12/05/2012CN202586344U Power-saving device having power-saving rate verification system
12/05/2012CN202586323U Over-voltage and over-current protection circuit for input port of television
12/05/2012CN202586290U 5A voltage stabilizer with overvoltage and voltage stabilization protection
12/05/2012CN202586276U Excitation power supply used for superconducting magnet
12/05/2012CN202586275U Comprehensive anti-super runaway position-restricted counting timing control circuit
12/05/2012CN202586272U Pressure early warning time-delay protection device
12/05/2012CN202586271U Residual current operated relay
12/05/2012CN202586270U Earth leakage protection circuit applied to safety socket
12/05/2012CN202586269U AFCI comprehensive protection device
12/05/2012CN202586268U Self fault discrimination pilot circuit system
12/05/2012CN202586267U On-line phase voltage monitoring device
12/05/2012CN202586266U Power-saving energy-saving power supply device
12/05/2012CN202586265U Power system protection device
12/05/2012CN202586264U Mining DC stabilized power supply protection circuit
12/05/2012CN202586263U Overcurrent protection circuit
12/05/2012CN202586262U Overcurrent protection circuit
12/05/2012CN202586261U Breaker tripping and closing protective device
12/05/2012CN202586260U Switching-value input loop of secondary equipment of power system
12/05/2012CN202586259U Minisize intelligent electric leakage comprehensive protection switch
12/05/2012CN202586258U Safety protection device used in low-voltage electric appliance durability test
12/05/2012CN202586257U Hot-swap protection system
12/05/2012CN202586256U Electric leakage lockout
12/05/2012CN202586188U Electrical wiring apparatus possessing wiring improper protection and automatic test
12/05/2012CN202583344U Frequency converter load detection apparatus used for energy recovery and utilization
12/05/2012CN202582556U Vehicle-mounted video navigation device with overvoltage protection
12/05/2012CN202578502U Electricity power source crawler-type rotary drilling machine
12/05/2012CN1682419B Electrical network protection system
12/05/2012CN102812607A Protective relay apparatus
12/05/2012CN102810899A Charging circuit with short circuit protecting function and charger
12/05/2012CN102810897A Charging circuit with short-circuit protection and charger
12/05/2012CN102810854A Protection circuit
12/05/2012CN102810842A Manufacturing method of electric leakage protection switching circuit
12/05/2012CN102810841A Residual current protective device and circuit breaker
12/05/2012CN102810840A Voltage protection system and voltage protection method
12/05/2012CN102810839A Residual current protection device of earth-wire electrification-prevention protective system
12/05/2012CN102810838A Line control method, circuit breaker and power equipment
12/05/2012CN102809681A Inrush current recognition method and low-voltage and medium-voltage quick disconnection protection method utilizing same
12/05/2012CN101882732B Leakage protection socket
12/05/2012CN101682203B Charging device and charging system
12/04/2012US8327162 Network communication system for uninterruptible power supply and method for grouping controllers therein
12/04/2012US8327049 Electrical process interface device
12/04/2012US8325454 Over heating detection and interrupter circuit
12/04/2012US8325451 Power switching circuit
12/04/2012US8325370 Network interface apparatus, control method, program, and image forming apparatus
12/04/2012CA2444159C Arc fault detector with circuit interrupter
11/2012
11/29/2012WO2012161830A1 Overcurrent protection system
11/29/2012US20120300352 Static surge protection device
11/29/2012US20120300351 Protective monitoring circuit and battery pack
11/29/2012US20120300347 Photo-Voltaic Safety De-Energizing Device
11/29/2012DE112010001977T5 Verfahren und Vorrichtungen zur Fehlerstromschutzüberwachung unter Verwendung eines einzigen Transformators Methods and apparatuses for fault current protection monitoring using a single transformer
11/29/2012DE102011102548A1 Fehlerstromschutz für Elektrowerkzeuge Fault protection for power tools
11/28/2012EP2526601A1 Electronic overcurrent release for circuit breakers
11/28/2012CN202565158U Explosion suppression and intrinsic safety switch power with power factor correction
11/28/2012CN202564932U Protection circuit for eddy current retarder controller
11/28/2012CN202564927U High tension switch cabinet trip alarming system
11/28/2012CN202564925U Input overcurrent overvoltage protector used for frequency converter
11/28/2012CN202564920U Intelligent electronic tripping device and circuit breaker including same
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