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)
10/2012
10/02/2012US8278854 Control device for electric rotating machine
09/2012
09/27/2012WO2012128414A1 Power distribution apparatus using convergence of smart led lighting and new renewable energy and driving method thereof, and protective circuit for power distribution apparatus using convergence of smart led lighting and new renewable energy and driving method thereof
09/27/2012WO2012127950A1 Electric tool
09/27/2012WO2012126884A2 Series voltage regulator with electronics protected against short-circuits by magnetic circuit-based decoupling using holes and windows
09/27/2012WO2012126781A1 Electrical system and method for the operation thereof
09/27/2012US20120243135 Deactivation device for disconnecting an electrical energy source from a load, and circuit system having a deactivation device
09/27/2012US20120243129 Shorting protection for systems having electric machines
09/27/2012DE102011016140A1 Over-voltage protection circuit for control electronics circuit utilized for driving motor of electric power tool, has switch switched when breakdown voltage is reached, and safety device that is triggered when switch is switched
09/27/2012DE102011006118A1 Method for monitoring e.g. rail vehicle regenerative electric motor-generator drive unit that is utilized for producing electrical power, involves initiating system-side short circuit, and closing aperture of switch system immediately
09/27/2012DE102011005837A1 Elektrische Anlage und Verfahren zu deren Betrieb Electrical System and method for its operation
09/26/2012EP2503658A1 Shorting protection for systems having electric machines
09/26/2012EP2502319A1 Method and apparatus for ground distance protection
09/26/2012CN202455304U Multi-head quick-switching device for motor
09/26/2012CN202455301U Program-control energy-saving device for motor
09/26/2012CN202455299U Motor control device of high pressure oil delivery pump
09/26/2012CN202455264U DC/DC converter and control circuit, light-emitting device and electronic equipment thereof
09/26/2012CN202455158U Bus coupler cabinet backup automatic switching device for rail transit power supply system
09/26/2012CN202455059U Protection circuit for working-frequency full-bridge circuit of photovoltaic grid-connected inverter
09/26/2012CN202455056U Current limiting device for inhibiting short-circuit faults of power system
09/26/2012CN202455055U Current selective tripping and large-zone power supply protecting system of rail transit power supply system
09/26/2012CN202455054U Override trip protection system for coal mine power grid
09/26/2012CN202455053U Remote backup protection device for feeder line fault of rail transit power supply system
09/26/2012CN202455052U Main/standby protective device for track traffic power supply system interval failure
09/26/2012CN202455051U Bus fault backup protection device of rail traffic power supply system
09/26/2012CN202455050U Bus coupler cubicle protector for rail transit power supply system
09/26/2012CN202455049U Feeder failure backup protection device of track traffic power supply system
09/26/2012CN202455048U Bus failure main protection device of track traffic power supply system
09/26/2012CN202455047U Device for improving safety of lithium battery cores
09/26/2012CN202455046U Novel lithium ion battery protective plate structure
09/26/2012CN202455045U Protection and alternative current detection circuit of storage battery
09/26/2012CN202455044U Power battery set possessing short circuit and overload protection function
09/26/2012CN202455043U Three-phase motor tail-end phase failure protective device
09/26/2012CN202455042U Three-phase alternating-current motor control device
09/26/2012CN202455041U Motor overheat protector
09/26/2012CN202455040U Protection device of electric furnace transformer
09/26/2012CN202455039U Protective circuit for transformer of electric furnace
09/26/2012CN202455038U Main circuit earth leakage lockout device for coal mine explosion-proof high-voltage frequency converter
09/26/2012CN202455037U Strong current lapping protection device for communication power supply
09/26/2012CN102694419A Management system for integrated test and control
09/26/2012CN102694381A Multistage electrical-network self-healing control device and control method thereof
09/26/2012CN102694377A Microcomputer-type power transmission temporary protection device
09/26/2012CN102694376A HP-9030 distribution network grounding and short-circuit fault isolation protection device
09/26/2012CN102694375A Ultra high-voltage alternating current transmission line protection method based on all-component differential coefficient matrix
09/26/2012CN102694374A Power transmission line differential protection method based on current traveling wave prediction
09/26/2012CN102694373A Intelligent electronic device using transient fault information and relay protection method
09/26/2012CN102694372A Monitoring and arc protecting system for switch cabinet
09/26/2012CN102694371A Intelligent-protection-type dry-type air-core reactor and control method thereof
09/26/2012CN102694370A Power supply positive end turn-off protection method
09/26/2012CN102694369A Method for preventing low-voltage protection misoperation of motor caused by PT disconnection
09/26/2012CN102694368A Shorting protection for systems having electric machines
09/26/2012CN102694367A Wiring cable used for solar cell module
09/26/2012CN102694366A Remote monitoring apparatus for disconnection of replaying protection outlet tripping circuit
09/26/2012CN102693877A Contactor with motor protector and replaceable contact module
09/26/2012CN102355129B Linear regulator with current limiting short circuit protection function
09/26/2012CN101895143B Inverse charging device of electric bicycle
09/26/2012CN101860009B Automatic isolation device for cable network fault
09/26/2012CN101777785B Uninterrupted power supply (UPS) electricity separating system and electricity separating method based on dynamic environment monitoring
09/26/2012CN101777755B High-voltage capacitor imbalance protecting method for high-voltage DC transmission system
09/26/2012CN101741072B Method for fault component-based wide area backup protection
09/26/2012CN101610625B Dynamic energy-saving lighting power supply device
09/25/2012US8274771 Safety switching device and modular failsafe control system
09/25/2012US8274769 Apparatus and method for cooling power transformers
09/25/2012US8274767 Magnetic energy regeneration switch provided with protection circuit
09/25/2012US8274249 Motor drive device with lock protection function
09/25/2012US8272606 Mounting apparatus for data storage device
09/25/2012CA2422948C Electrical ground isolation and secondary failure reduction detection and isolation
09/21/2012CA2771730A1 Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid
09/20/2012WO2012125716A1 Superconducting fault current limiter system
09/20/2012WO2012124238A1 Power supply system
09/20/2012WO2012123015A1 A dc grid and a method of limiting the effects of a fault in a dc grid
09/20/2012WO2012122882A1 Fast discharging circuit for direct-current bus of anti-explosive converter
09/20/2012WO2012122852A1 Electric motor winding temperature detection method and device as well as electric motor thermal protection method and device
09/20/2012WO2012122825A1 Modular multilevel converter valve protection method
09/20/2012WO2012122711A1 Voltage based method for fault identification in a transmission line and apparatus thereof
09/20/2012US20120236443 Inrush-current suppressing device and inrush-current suppressing method
09/20/2012US20120236442 intelligent controller
09/20/2012US20120236441 Compressor for an air-conditioner with a motor protector and an air-conditioner
09/20/2012US20120235610 Electric motor control apparatus
09/20/2012DE102012203963A1 Hochspannungs-Invertervorrichtung High voltage inverter device
09/20/2012DE102012202412A1 Elektrischer Kompressor The electric compressor
09/20/2012DE102012002609A1 Safety- and fire switching-off and/or switching unit for photovoltaic system i.e. generator, on roof of house, has fire alarm system released manually by hand switches and/or emergency alarm unit and automatically released by detectors
09/20/2012DE102011007042A1 Protective circuit for switching off charging current in electric vehicle charging station, disconnects charging current load signal line in response to signal generated by program executed in control unit, and switching unit status signal
09/20/2012DE102011005563A1 Method for performing switching between power input and redundant power input during e.g. occurrence of short circuit current, involves delaying switching-on of redundant power input in dependence of time course of load current
09/20/2012DE102006054354B4 Selbstschützende Crowbar Self-Protective Crowbar
09/19/2012EP2501009A1 Electric rotating machine
09/19/2012EP2501008A1 Protection relay
09/19/2012EP2499895A1 Lawn mower
09/19/2012EP2499730A2 Inverter with voltage clamping device
09/19/2012EP2499729A2 Inverter with voltage clamping device
09/19/2012CN202444465U Frequency conversion speed regulating system of motor rotor
09/19/2012CN202444428U High-power harmonic power supply device
09/19/2012CN202444426U Direct current (DC)-Direct current (DC) converter applied to electric vehicle
09/19/2012CN202444323U Feeder automation system based on optical longitudinal differential protection principle
09/19/2012CN202444303U Full automatic stop charger
09/19/2012CN202444248U Direct-current traction power supply protection device
09/19/2012CN202444247U Electric steering engine output current transient state protecting circuit
09/19/2012CN202444246U Three-speed motor
09/19/2012CN202444245U Intelligent monitoring protection device for motor
09/19/2012CN202444244U High voltage circuit breaker control loop of motor train unit
09/19/2012CN202444243U Improved-type converter low-temperature heating circuit for start-up
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