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)
08/2012
08/01/2012CN202364137U Efficient energy-saving power adapter
08/01/2012CN202364131U Variable frequency power source for giant transistor
08/01/2012CN202364127U Quick-control power supply system based on H-bridge cascading of IPM module
08/01/2012CN202364119U Novel low-cost parallel-connection flow equalizing circuit of switching-mode power supply
08/01/2012CN202363936U Terminal charging protection circuit
08/01/2012CN202363891U 智能重合闸控制器 Smart reclosing controller
08/01/2012CN202363890U Power protector for transmission line fault monitoring terminal
08/01/2012CN202363889U Circuit breaker with grounding current protection functional module
08/01/2012CN202363888U Override trip protection device for short circuit fault in mining power supply and distribution system
08/01/2012CN202363887U Over-temperature protection circuit for insulated gate bipolar transistor (IGBT)
08/01/2012CN202363886U Three-section type IGBT (Insulated Gate Bipolar Translator) temperature alarm and control protecting circuit
08/01/2012CN202363885U Reverse connection protecting circuit of battery
08/01/2012CN202363884U Protective device for DC (direct current) stabilized power supply
08/01/2012CN202363883U Towerless water supply pump protection device
08/01/2012CN202363882U Full-functional automatic protection switch of motor
08/01/2012CN202363881U Passive protection device of box type transformer
08/01/2012CN202363880U Transformer protective circuit
08/01/2012CN202363879U Overload automatic locking on-load voltage regulation controller
08/01/2012CN202363878U Pilot protection device for power grid
08/01/2012CN202360369U Water pump control system with motor protection function
08/01/2012CN1992491B Power supply device, low voltage circuit breaker and low voltage AC/DC electric system
08/01/2012CN102624950A Mobile phone and method for detecting condition of charger of mobile phone
08/01/2012CN102624261A Switch control circuit, switch controlling method, and power supply device using the switch control circuit
08/01/2012CN102624236A Vehicle high-power DC/DC driving power supply and driving method
08/01/2012CN102624051A Mobile phone and charging protection circuit
08/01/2012CN102624036A Cell management module and cell management method
08/01/2012CN102623978A Protection circuit module and protection circuit architecture
08/01/2012CN102623976A Combined type grounding system of reactor and resistor in power distribution network
08/01/2012CN102623975A Method for generating current differential protection generalized node on basis of electric topology of regional distribution network
08/01/2012CN102623974A Pilot protection method on basis of signal distance and T-shaped circuit model
08/01/2012CN102623973A Online failure positioning and isolation method for cable in new energy electric field
08/01/2012CN102623972A Differential protection method using single-ended transient signal high-frequency component throughput of transmission line
08/01/2012CN102623971A Method for controlling on-pole sectional switch with fault isolation function
08/01/2012CN102623970A Method for controlling remote-control switching reclosure system applicable to microcomputer protection control
08/01/2012CN102623969A Microcomputer protecting and controlling type remote control retreating reclosure system
08/01/2012CN102623968A Characteristic-harmonic-based protection method and system for high-voltage direct current transmission line
08/01/2012CN102623967A Medium-low voltage bus electrical arc light protection method and system
08/01/2012CN102623966A Differential protection method for bus
08/01/2012CN102623965A Implementation method and device for bus protection in double bus system
08/01/2012CN102623964A Light-emitting-diode (LED) protection circuit
08/01/2012CN102623963A Method and system for protecting switch tube in bridge arm
08/01/2012CN102623962A Adaptive lightning-protection surge-protection control circuit
08/01/2012CN102623961A Electric tool
08/01/2012CN102623960A Variable-frequency motor protection device based on intelligent sensors
08/01/2012CN102623959A Intelligent protector for electric water pump
08/01/2012CN102623958A Relay and method for protecting transformer, and transformer protecting system having the same
08/01/2012CN102623957A Narrow-band filtering-based variable data window fundamental wave phasor calculation method
08/01/2012CN102623947A Leakage protector with phase line switching function
08/01/2012CN102623762A 电池包 Battery pack
08/01/2012CN102621494A Overvoltage detection device, protective device and battery pack
08/01/2012CN102097989B DC (direct current) motor driver
08/01/2012CN101916989B Method for distinguishing effectiveness two-time continuous sampling values of electric power system
08/01/2012CA2767696A1 Method for limiting a current supplied by a dc power source
07/2012
07/31/2012US8233296 Front-end circuit of power converter
07/31/2012US8233293 Reverse current protection for power converters having synchronous rectifiers
07/31/2012US8233254 Method of ensuring the coordinated arc fault protection in a heirarchial power distribution system
07/31/2012US8233250 Over voltage protection of switching converter
07/31/2012US8232778 Independent, redundant overvoltage protection for a generator
07/31/2012CA2677547C Motor protection using accurate slip calculations
07/31/2012CA2455198C Device for protection of the bearing of an electrical machine against damaging passage of current
07/27/2012DE202009018671U1 Normstecker mit Anzeigeorgan Standard plug with display member
07/26/2012WO2012098756A1 Battery pack
07/26/2012WO2012097519A1 Protecting circuit for parallel connected battery banks
07/26/2012WO2011117311A3 Method for operating a brushless electric motor
07/26/2012DE102011003082A1 System und Methode zur Hochvoltabschaltung in einem Fahrzeug System and method for high-voltage switch-off in a vehicle
07/25/2012EP1952500B1 Device for limiting current of electric appliance
07/25/2012CN202353475U Large-screen system power supply adapter
07/25/2012CN202353290U Battery power supplying device
07/25/2012CN202353217U Dynamic voltage quick compensating device
07/25/2012CN202353193U Open phase protective device for appliance switch
07/25/2012CN202353192U Wiring protecting device for power distribution system
07/25/2012CN202353191U Protection device with multiple metal oxide semiconductor (MOS) transistors
07/25/2012CN202353190U Safety device for battery pack of electromobile
07/25/2012CN202353189U Protection device for charger
07/25/2012CN202353188U Lead-acid storage battery charging protection device for electric bicycle
07/25/2012CN202353187U Short circuit and overcurrent protection unit for storage battery
07/25/2012CN202353186U Phase failure protection circuit for motor of pumping well
07/25/2012CN202353185U Plastic insulation box for protecting measurement and control circuit of electric furnace transformer
07/25/2012CN202353184U Short-circuit protection circuit
07/25/2012CN202353183U AC overvoltage off protection circuit
07/25/2012CN202353182U Portable overcurrent protection device
07/25/2012CN202352782U Tandem type lithium battery pack module
07/25/2012CN202350095U Rechargeable lighter
07/25/2012CN202346530U Motor protection system for construction hoist
07/25/2012CN102612800A Inverter
07/25/2012CN102612799A Switching an inductive load
07/25/2012CN102612791A Reduction of harmonic distortion for led loads
07/25/2012CN102611861A Antenna power supply device with accurate current control function on television and power supply method thereof
07/25/2012CN102611387A Small-signal controller and method for simulating three-phase alternating-current power grid
07/25/2012CN102611163A Lithium iron phosphate uninterrupted power supply device for coal mine underground monitoring and control
07/25/2012CN102611156A Rechargeable battery pack
07/25/2012CN102611123A Intelligent reactive compensation device based on single three-pole synchronous switch
07/25/2012CN102611086A Centralized protection system and method for region distribution network
07/25/2012CN102611085A Intertripping simulation analysis method
07/25/2012CN102611084A Self-adaptive voltage protection method
07/25/2012CN102611083A Method for implementing adaptive zero sequence current network protection
07/25/2012CN102611082A Self-adaptive feeder neighborhood interactive fault-tolerant relay protection method for power distribution network
07/25/2012CN102611081A Intelligent monitoring system of switch of branch circuit
07/25/2012CN102611080A Main station type small current grounding control method
07/25/2012CN102611079A Short-circuit protection system and short-circuit protection method for isolated power converter
1 ... 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 ... 328