Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 3 - Circuit arrangements for ac mains or ac distribution networks
Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
04/2014
04/23/2014CN103746394A Electricity-saving method for medium and low voltage distribution network
04/23/2014CN103746393A A three-phase power electronic transformer capable of automatically balancing asymmetric loads in a total range
04/23/2014CN103746392A Static compensator model prediction control method based on modularized multilevel transverter
04/23/2014CN103746391A Magnetically controlled reactor primary triggering control method
04/23/2014CN103746390A Method and system for evaluating state of distribution transform low-voltage reactive-load compensation equipment
04/23/2014CN103746389A Reactive compensation configuration method based on reactive voltage feature for wind power 500kV collecting transformer substation
04/23/2014CN103746388A Electric distribution network reactive-voltage three-level coordination control method
04/23/2014CN103746387A Light triggered thyristor (LTT) power unit
04/23/2014CN103746386A Reactive compensation device and compensation method
04/23/2014CN103746385A Series-connected capacitor compensation device and method used for power distribution network
04/23/2014CN103746384A Electrical load dispatching control method and system thereof
04/23/2014CN103746383A Node voltage amplitude prediction method based on wide area measurement system
04/23/2014CN103746382A Active power filtering system
04/23/2014CN103746381A Hybrid passive power filter
04/23/2014CN103746380A Passive power filter
04/23/2014CN103746379A Method for suppressing harmonic wave of interference signal based on electromagnetic compatibility
04/23/2014CN103746378A Method for inhibiting total output harmonic current of doubly fed induction wind power system under condition of voltage harmonic of power grid
04/23/2014CN103746377A Integral-mapping-based voltage and reactive power sensitivity detection method
04/23/2014CN103746376A Power distribution network dynamic power restoration method based on load curve
04/23/2014CN103746375A Automatic small-power supply removal device
04/23/2014CN103746374A Closed loop control method comprising multi-microgrid power distribution network
04/23/2014CN103746373A Field verification method of high-capacity flexible alternating-current power transmission system control strategy
04/23/2014CN103746372A On-line automatic identification method for power grid oscillation mode type and associated dispatching area
04/23/2014CN103746371A FCB set distribution method
04/23/2014CN103746370A Wind-power-plant reliability modeling method
04/23/2014CN103746369A Power grid dispatching anti-accident maneuver visualization system
04/23/2014CN103746368A Method of optimizing static safe and stable operation limit of electric power system
04/23/2014CN103746367A Intelligent low-frequency low-voltage load shedding optimization method of power grid
04/23/2014CN103746366A Electric power system recovery method based on node importance degree
04/23/2014CN102916441B Segmentation control method for low-voltage ride-through of doubly-fed motor during symmetric drop of network voltage
04/23/2014CN102780224B Seamless cut-off controlling method for chained multi-level inverter error unit
04/23/2014CN102709916B Low-voltage load cutting method of electric system
04/23/2014CN102684198B Harmonic suppression method of bidirectional converter of energy accumulation unit in wind and light accumulation system
04/23/2014CN102646989B Historical-information-based switching control method for neutral current suppression device of distribution transformer
04/23/2014CN102638049B Direct-current bus inter-phase voltage balancing control method for chained type triangular connection STATCOM (Static Synchronous Compensator)
04/23/2014CN102623987B Multiple-DC (direct current)-droppoint selection method based on multiple feed-in short circuit ratios
04/23/2014CN102593843B Cloud compensation system for reactive power
04/23/2014CN102511117B Charge/discharge control device and power generating system
04/23/2014CN102510077B Cold and electricity scheduling system and method of extraction-condensing turbine unit
04/23/2014CN102510076B Heat and power dispatching system and dispatching method of back-pressure type combined heat and power generation unit
04/23/2014CN102481857B Electric power supply system and electric power supply method
04/23/2014CN102315781B Cabinet system of server
04/23/2014CN102244383B Power supply circuit capable of balancing load voltages
04/23/2014CN102195290B Control circuit, power conditioner including the control circuit, and photovoltaic system
04/23/2014CN102170140B Method for starting flexible high-voltage direct-current (HVDC) system of modularized multi-level converter
04/23/2014CN102130458B Ultra-high voltage flexible paralleling reactor
04/23/2014CN102063651B Urban power grid risk evaluation system based on on-line data acquisition
04/23/2014CN101939660B Method for recognizing the theft of a pv module and a failure of a bypass diode of a pv module, corresponding pv sub-generator junction box, pv inverter, and corresponding pv system
04/23/2014CN101789599B Electrical system and control method
04/23/2014CN101752871B Method for compensating interference current of an electrical system and interference current compensation device
04/23/2014CN101719676B Voltage control system and method of windfarms
04/23/2014CN101667735B Method for controlling electric power of secondary batteries
04/22/2014US8707066 Method and apparatus for a zero voltage processor sleep state
04/22/2014US8704406 Solar power plant
04/22/2014US8704399 Power supply apparatus and power supply method
04/18/2014CA2792936A1 Shared coil inductive array
04/17/2014WO2014059122A2 Connector having wireless control capabilities
04/17/2014WO2014058969A2 Use of a demand response to enable improved power supply restoration planning
04/17/2014WO2014058571A2 Generator dispatching or load shedding control method and system for microgrid applications
04/17/2014WO2014057867A1 Solar power generation device and power management system, and electric power load and measuring apparatus for same
04/17/2014WO2014057788A1 Storage cell system and power plant control system
04/17/2014WO2014057613A1 Energy management device
04/17/2014WO2014057601A1 Electrical power interchange system, electricity-transmitting/-receiving device, electrical power interchange method, and program
04/17/2014WO2014057599A1 Electric power interchange system, electric power interchange method, and non-temporary computer-readable medium storing program
04/17/2014WO2014057304A1 Decentralized controls and communications for autonomous distribution networks in smart grid
04/17/2014WO2014056898A1 Facility for controlling an energy storage battery
04/17/2014WO2014056757A1 Method for distributing a power over a plurality of load units of a rail vehicle
04/17/2014WO2014056695A2 Method for regulating the voltage of a transformer
04/17/2014WO2014056633A1 Method and controller for continuously operating a plurality of electric energy generating machines during a high voltage condition
04/17/2014WO2014056531A2 Method and data processing arrangement for determining the frequency, amplitude and attenuation of at least one output oscillation in an electrical energy supply network
04/17/2014WO2014056504A2 Line impedance compensation system
04/17/2014WO2014056463A2 System for the control of several electrical appliances placed in a single room by means of single wall-mounted controller
04/17/2014WO2013186282A3 Method and device for managing an energy generation unit
04/17/2014WO2013153075A3 A power compensator
04/17/2014WO2013104765A3 Device profile optimization device and method
04/17/2014WO2013066569A3 Apparatus and methods for balanced load point and permissive close determinations for distribution feeders
04/17/2014WO2012176168A3 Photovoltaic power generation system
04/17/2014US20140103742 Connector having wireless control capabilities
04/17/2014US20140103727 Island grid power supply apparatus and methods using energy storage for transient stabilization
04/17/2014US20140103724 Bidirectional power system, operation method, and controller for operating
04/17/2014US20140103721 Computer Host Power Management System having Extension Cord Sockets
04/17/2014DE102012218889A1 Verfahren und Vorrichtung zum Übertragen von elektrischer Leistung Method and apparatus for transmitting electric power
04/17/2014DE102012018678A1 Electrical ballast unit e.g. load bank used as resistance system, has main portion which takes current from electrical circuit, such that shutdown of biological gas facilities and block-type thermal power stations is prevented
04/16/2014EP2720339A2 Three-level photovoltaic inverter configured for asymmetric control of DC-link voltages for separate MPPT driving
04/16/2014EP2720338A1 Method for detecting islanding operation of distributed power generator
04/16/2014EP2720337A1 Operation control device for photovoltaic power generation system
04/16/2014EP2720188A1 System and method for management of backup power devices
04/16/2014EP2720187A1 System and method for management of backup power devices
04/16/2014EP2719973A1 Operating method for heat pump, and heat pump system
04/16/2014EP2719972A1 Operating method for heat pump, and heat pump system
04/16/2014EP2719971A1 Operating method for heat pump, and heat pump system
04/16/2014EP2719067A1 Method for energizing a chain-link converter, controller, computer programs and computer program products
04/16/2014EP2719062A1 High voltage dc/dc converter with cascaded resonant tanks
04/16/2014EP2719051A2 Step-up converter
04/16/2014EP2719050A1 Facility for controlling charge current for storage units in electrical energy supply grids connecting distributed generators and distributed storage units, among others
04/16/2014EP2719049A2 A power control device for an electrical installation of a building and a method of power controlling an electrical installation of a building
04/16/2014EP2719048A1 System and method for managing power consumption
04/16/2014EP2719047A1 System and method for managing power consumption
04/16/2014EP2719046A1 Decentralized energy management in automation installations
04/16/2014EP2719045A1 A compensating system for medium or high voltage applications
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