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)
04/2014
04/16/2014CN203554277U Switching power supply output short-circuit protection circuit
04/16/2014CN203554268U Bipolar transistor drive of insulated gate
04/16/2014CN203554038U Battery automatic charging circuit
04/16/2014CN203554022U Electric power supply maintenance device for direct current circuit
04/16/2014CN203553989U Solar energy charging circuit
04/16/2014CN203553914U Unit running protection device of ion excitation equipment
04/16/2014CN203553913U Main controller overvoltage protection circuit and large-screen splicing system
04/16/2014CN203553912U Electronic circuit capable of reducing caloric value of power device and high current device
04/16/2014CN203553911U Protection circuit capable of automatically adapting to vehicle power supply voltage
04/16/2014CN203553910U Storage-battery charging protection circuit
04/16/2014CN203553909U Self-powered storage-battery overcharge protection circuit
04/16/2014CN203553908U Lightning protection device for photovoltaic grid-connected inverter, and photovoltaic grid-connected inverter
04/16/2014CN203553907U Input voltage ripple protection circuit
04/16/2014CN203553906U Protection circuit for input voltage of switch power supply
04/16/2014CN203553905U Under-voltage protection control circuit
04/16/2014CN203553904U Over-current and short-circuit protective circuit of servo motor
04/16/2014CN203553903U Power motor protection device
04/16/2014CN203553902U Low-voltage asynchronous motor protector based on C8051F410 chip
04/16/2014CN203553901U Transformer protective box
04/16/2014CN203553900U Neutral point complete set protection device for transformer
04/16/2014CN203553899U Neutral point-mounted electronic-type fast resonance elimination device
04/16/2014CN203553880U Integrated accident signal resetting circuit in microcomputer type relay protection circuit
04/16/2014CN203551649U Real-time detection circuit for over-current protection of frequency converter
04/16/2014CN1829027B Protective circuit for intrinsically safe electromagnetic actuators, and protective circuit for intrinsically safe energy supply systems
04/16/2014CN103733508A Operating state circuit for an inverter and method for adjusting operating states of an inverter
04/16/2014CN103733458A A method of distance protection of parallel transmission line
04/16/2014CN103733006A Refrigeration device for transportation
04/16/2014CN103731070A Rotation control and protection circuit of direct-current motor
04/16/2014CN103731018A Inversion module driving protection device
04/16/2014CN103731017A Short-circuit protection system of energy-storage bidirectional converter
04/16/2014CN103730904A Stopping control system for abnormal separating brake accidents of outlet breaker of pump storage unit
04/16/2014CN103730885A Power distribution device, protective system, mining power monitoring system and protection method
04/16/2014CN103730884A Photon differential protection device
04/16/2014CN103730883A Protection method for short-circuit fault of direct-current line of radial direct-current power distribution system
04/16/2014CN103730882A Current protection system and method for being automatically adapted to distributed power connection
04/16/2014CN103730881A Power supply isolation circuit and method
04/16/2014CN103730880A Overvoltage control protection method suitable for MMC flexible direct current submodule
04/16/2014CN103730879A Protection device for power utilization system of transformer substation
04/16/2014CN102595731B Light-dimming LED controller and output short-circuit protection method thereof
04/16/2014CN102570845B Singlechip-based automatic voltage conversion system
04/16/2014CN102332707B Earth fault signal measuring method and protective device for ungrounded system
04/16/2014CN102270831B Wide-voltage power protection device of intelligent vehicle-mounted terminal
04/16/2014CN102255285B Reversing protection method and device for motor of alternating-current and direct-current diesel locomotive
04/16/2014CN102185290B Self-recovering method of single-phase earth faults
04/16/2014CN102097790B Method for realizing point-to-point distributed bus protection by adopting multi-level cascading
04/16/2014CN101868899B Overcurrent protection in a dimmer circuit
04/16/2014CA2792701A1 Abnormality detection method and apparatus
04/15/2014US8700093 Wireless communication base station with current limiting capability
04/15/2014US8699189 High precision clipping regulator circuit
04/15/2014US8698435 Motor drive device
04/10/2014WO2014053742A1 Contactless charging system for charging a motor vehicle battery
04/10/2014WO2014053440A1 Switching device for measuring rotational speed in electromotive drives
04/10/2014WO2014053339A1 Circuit configuration with an inverter
04/10/2014WO2014053273A1 Method for monitoring a plurality of electrical energy lines in a cable harness
04/10/2014WO2014053174A1 Method for sensing a fault in a power system based on travelling wave currents
04/10/2014WO2012088520A3 Techniques on input transformer to push the op1db higher in power amplifier design
04/10/2014DE102013109939A1 Energieverteilungssysteme und Verfahren zum Betrieb eines Energieverteilungssystems Power distribution systems and methods for operating a power distribution system
04/10/2014DE102013005439A1 Safety device for securing electric current path in electrical system of e.g. hybrid vehicle, has overload relays that are connected with shift element over mechanical coupling for interruption of current paths
04/10/2014DE102011082554B4 Verfahren zur Bestimmung eines Erdschlussstroms in einem erdschlussbehafteten Drehstromnetz A method for determining an earth leakage current in an earth-faulted phase power supply
04/09/2014EP2717403A1 Protection apparatus of load circuit
04/09/2014EP2715932A2 Method and device for operating a brushless motor
04/09/2014EP2715896A1 Ground fault protection
04/09/2014CN203537686U Mining flame-proof type compressor and transformer comprehensive protection device
04/09/2014CN203537236U A digital high frequency high voltage electrostatic dust remover power supply
04/09/2014CN203537224U High-voltage large-current IGBT drive system
04/09/2014CN203537078U Lightning stroke monitoring device and high-voltage induction power taking system
04/09/2014CN203537008U Large current circuit of preventing battery reverse connection
04/09/2014CN203536991U Rechargeable battery case
04/09/2014CN203536949U Current limiting protection circuit of servo motor of numerical control machine tool
04/09/2014CN203536944U A cell phone waterproof protection circuit
04/09/2014CN203536943U An electric automobile lead acid storage battery protector
04/09/2014CN203536942U A novel ring choke converter output overvoltage protection circuit
04/09/2014CN203536941U A high-definition input overvoltage protection circuit of a self-oscillation flyback converter
04/09/2014CN203536940U Motor-driving integrated circuit with low voltage reset output
04/09/2014CN203536939U Overload self-protection transformer
04/09/2014CN203536938U Device for operation of protective gap of transformer neutral point
04/09/2014CN203536937U Comprehensive protection device based on digital signal processor
04/09/2014CN203536256U Single-coil permanent-magnet mechanism driving circuit
04/09/2014CN203536152U Transformer with lightning-protection function
04/09/2014CN103718405A Ground fault protection
04/09/2014CN103718345A Lithium-ion rechargeable battery
04/09/2014CN103715766A Ring network distributed bus protection synchronization method
04/09/2014CN103715748A Lithium battery charging circuit
04/09/2014CN103715697A Rural power network intelligent comprehensive power distribution device
04/09/2014CN103715671A High-speed railway supply arm shunt tripping protection method based on current characteristics
04/09/2014CN103715670A High-speed railway supply arm shunt tripping protection method based on impedance characteristics
04/09/2014CN103715669A Distributed wide-area self-adaptive inter-phase backup protection system and method
04/09/2014CN103715668A Protection relay system against single-phase faults for medium-voltage distribution networks
04/09/2014CN103715667A Power transmission and distribution system protection method and power transmission and distribution protection device
04/09/2014CN103715666A Mining-used high-voltage switch comprehensive protector
04/09/2014CN103715665A Mining-used low-voltage switch comprehensive protector
04/09/2014CN103715664A Vanadium battery protective device possessing functions of voltage stabilization and current limitation
04/09/2014CN103715663A Software control method with over-temperature power of bidirectional energy storage grid-connection converter derated
04/09/2014CN103715662A Short circuit and overload protection circuit of photovoltaic energy storage inverse control all-in-one machine
04/09/2014CN103715661A Power supply protection device used in geological exploration field
04/09/2014CN103715660A Overvoltage protection circuit and method for switching power supply with output voltages adjustable
04/09/2014CN103715659A Vehicle-mounted power supply protective circuit
04/09/2014CN103715658A Modular multilevel converter bridge arm short circuit fault protection method
04/09/2014CN103715657A Power converter with short-circuit protection function
04/09/2014CN103715656A Overvoltage protection device of chopper, chopper and electric locomotive
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