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)
03/2014
03/26/2014CN102623957B Narrow-band filtering-based variable data window fundamental wave phasor calculation method
03/26/2014CN102570425B Start AD (analog-to-digital) start component acting method applied to microcomputer protection for double-AD sampling
03/26/2014CN102570423B Crossover line permanent fault recognizing method for double circuit lines on same tower
03/26/2014CN102412710B IGBT (Insulated Gate Bipolar Transistor) module driving circuit suitable for high-power inverter
03/26/2014CN102315663B Battery management system and method
03/26/2014CN102290792B Protection device capable of preventing secondary input of current transformer from being wrongly accessed and arc welding power supply device
03/26/2014CN102201660B Power line
03/26/2014CN102185293B Line fault tripping certainty factor analysis method
03/26/2014CN102157923B Hierarchical control method for self-healing electric distribution network
03/26/2014CN101567553B Circuit for protecting a DC network against overvoltage
03/26/2014CN101552455B Method and device for leakage protection method of microwave oven
03/25/2014US8683414 Semiconductor integrated circuit device with independent power domains
03/25/2014US8681518 High speed rectifier circuit
03/25/2014US8681457 Power source system for electric powered vehicle and control method therefor
03/25/2014CA2665446C Switching control system of circuit breaker
03/20/2014WO2014042941A1 Zone selective interlocking for optical flash detection suppression
03/20/2014WO2014041796A1 Device for detecting welding of relay
03/20/2014WO2014040448A1 Frequency-conversion differential protection method for output transformer of static frequency convertor system
03/20/2014US20140078793 Mitigation of arc flash hazard in photovoltaic power plants
03/20/2014US20140077772 Turbine array and a method of controlling a turbine array during a loss-of-grid event
03/20/2014DE102013109767A1 Energieverteilungssystem und Verfahren zum Betrieb eines Energieverteilungssystems Power distribution system and method for operating a power distribution system
03/20/2014DE102012216368A1 Schaltungsanordnung zum Anschluss an eine elektrische Schaltung sowie elektrische Schaltung Circuit arrangement for connection to an electrical circuit and electrical circuit
03/20/2014DE10065193B4 Elektrische Leistungssteuereinheit für einen Gebläsemotor Electric power control unit for a blower motor
03/19/2014EP2707931A2 Trip unit including separable component to save restore settings, and circuit breaker including the same
03/19/2014CN203491948U Air-conditioning speed regulator with winding temperature control function
03/19/2014CN203491896U Frequency converter with protective device and frequency converter application system
03/19/2014CN203491855U Digital heat protection motor device
03/19/2014CN203491749U Power supply management circuit
03/19/2014CN203491740U Power lithium titanate battery management system
03/19/2014CN203491732U Mobile terminal charger
03/19/2014CN203491700U Intelligent integrated power capacitor
03/19/2014CN203491686U Lightning protection device for overhead transmission line
03/19/2014CN203491685U Integrated protective circuit breaker
03/19/2014CN203491684U Low-voltage power transformation operation safety protection device
03/19/2014CN203491683U Short-circuit protecting circuit for large-power IGBT of APF
03/19/2014CN203491682U Protection circuit for tandem type lithium ion battery set
03/19/2014CN203491681U Battery over-discharge protection circuit for computer
03/19/2014CN203491680U Automatic reset electric leakage overvoltage/undervoltage protection circuit
03/19/2014CN203491679U Open-phase discriminating and protection circuit of three-phase power supply
03/19/2014CN203491678U Motor device having overheating protection function
03/19/2014CN203491677U Overload heat protection control device
03/19/2014CN203491676U Temperature detection controller for motor of large-scale rotary machine
03/19/2014CN203491675U Motor intelligent security device
03/19/2014CN203491674U Intelligent protecting and monitoring device of motor
03/19/2014CN203491673U Transformer grounding protection device
03/19/2014CN203491672U Device for protecting electromechanical equipment
03/19/2014CN103647497A Permanent magnet motor control circuit and permanent magnet motor
03/19/2014CN103647459A High-frequency-link parallel inverter with no connection wire
03/19/2014CN103647437A High-voltage high-current IGBT driving system
03/19/2014CN103647350A Design method of protection function of centralized protection device of transformer substation
03/19/2014CN103647337A Portable solar mobile power supply for notebook computer
03/19/2014CN103647323A Cell discharge overcurrent protection circuit and cell discharge overcurrent protection method
03/19/2014CN103647314A A super capacitor charging protection apparatus
03/19/2014CN103647312A Safe and environment-friendly charger
03/19/2014CN103647263A DC circuit breaker based on half-control electric-power electronic devices
03/19/2014CN103647262A In-situ placement type miniature intelligent relay protection device
03/19/2014CN103647261A Portable module protector specially for X-ray machine
03/19/2014CN103647260A Intelligent charging protector
03/19/2014CN103647259A Battery protection circuit and voltage protection circuit therein
03/19/2014CN103647258A Battery protection-used chip cascade structure
03/19/2014CN103647257A Rapid short circuit protection device for large power high voltage power source
03/19/2014CN103647256A Motor control method, device and system
03/19/2014CN103647255A Improved FC switch control loop
03/19/2014CN103647243A Method and device for deicing direct current transmission line of extra-high-voltage direct current project
03/19/2014CN103645443A Storage battery measurement and control system
03/19/2014CN103640483A Vehicle intelligent power safety protector
03/19/2014CN103066567B Hierarchical sectional capacity balance control method based on switching number
03/19/2014CN102710022B Power distribution network feeder protection and reconfiguration scheme based on intelligent feeder terminal unit
03/19/2014CN102629754B Substation area back-up protecting method based on current differential principle
03/19/2014CN102570965B Program control energy-saving device of motor
03/19/2014CN102280868B Method for preventing override trip of mine power supply system
03/19/2014CN102229327B 汽车供电系统 Car power supply system
03/19/2014CN102185298B Relay protection method for power supply circuit based on communication network
03/19/2014CN102138265B Assembled battery, and control system for the assembled battery
03/19/2014CN101997302B Method for protecting electric/electronic device of high-power converter from overhigh temperature
03/19/2014CN101682185B Method for determining an adjustment value indicating a ground impedance and measurement device
03/18/2014US8675330 Safety switching device for setting a safety-related device to a safe state
03/18/2014US8675325 Electronic circuit breaker with alternate mode of operation using auxiliary power source
03/18/2014US8675321 Start test electronic device and system and method of use thereof
03/18/2014CA2586812C High current capable circuit testing closer apparatus and method
03/14/2014CA2826924A1 Circuit arrangement for connection to an electrical circuit and electrical circuit
03/13/2014WO2014039300A2 Apparatus and methods for input protection for power converters
03/13/2014WO2014039191A1 Method and apparatus for continuous short-circuit protection
03/13/2014WO2014037143A1 Operating state circuit for an inverter and method for setting operating states of an inverter
03/13/2014WO2013102849A3 Method and apparatus for pole-slip detection in synchronous generators
03/13/2014WO2013001236A3 System for protecting against heating for a rotating electric machine, in particular a starter
03/13/2014DE102013209590A1 Servolenkung Power steering
03/13/2014DE102012222090A1 Verfahren und vorrichtung zur verhinderung von überstrom-schäden für einen neben-wechselrichter eineselektrischen busses Method and device for prevention of overcurrent-damage for a next-inverters an electrical busses
03/12/2014EP2706637A1 Current differential relay and current differential relay system using current differential relay thereof
03/12/2014CN203482119U Mine blower fan control box
03/12/2014CN203482109U High-performance aviation power supply
03/12/2014CN203482087U Device for balancing EMC performance and leakage current
03/12/2014CN203482086U Igbt drive circuit
03/12/2014CN203482035U Food mixing motor having adjustable temperature control switch
03/12/2014CN203482032U Food mixing motor having electric leak automatic protection
03/12/2014CN203481886U Battery pack with pulse starting circuit
03/12/2014CN203481804U Self-recovery type three-phase voltage protection relay
03/12/2014CN203481803U PWM output short circuit protection circuit
03/12/2014CN203481802U Battery protective circuit and system
03/12/2014CN203481801U Battery charging and discharging protection circuit
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