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)
03/2014
03/05/2014CN101606298B Controllable phase-angle converter
03/05/2014CN101521388B Windfarm collector system loss optimization
03/05/2014CN101499766B Power generation stabilization control systems and methods
03/04/2014US8667314 Power switching circuit of portable electronic device
03/04/2014US8666831 Power generation leveling system and power generation leveling method
03/04/2014US8665110 Transmitting electric power into a bore hole
03/04/2014US8664797 Photovoltaic assembly and method of operating a photovoltaic assembly
02/2014
02/28/2014CA2824204A1 System and method for controlling a dual-fed induction generator in response to high-voltage grid events
02/28/2014CA2824202A1 Voltage control for wind turbine generators
02/27/2014WO2014031345A1 Autonomous management of distribution transformer power load
02/27/2014WO2014031343A1 System and method for efficient power distribution and backup
02/27/2014WO2014031236A1 Electrical optimization and component selection in an electrical grid
02/27/2014WO2014031028A1 Electric power supply method and device for carrying out said method
02/27/2014WO2014030121A1 Electrical household appliance system
02/27/2014WO2014030120A1 Electrical household appliance system
02/27/2014WO2013188517A3 Power grid photo-voltaic integration using distributed energy storage and management
02/27/2014WO2013177306A3 Photovoltaic dc-ac converter with soft switching
02/27/2014WO2013167837A3 System for control and power supply of turbomachines of a helicopter
02/27/2014WO2013156447A3 System for managing energy consumption and corresponding method
02/27/2014WO2013142553A3 System and method for islanding detection and protection
02/27/2014WO2013136686A3 Power supply device, power receiving device, power supply method, power receiving method, and program
02/27/2014WO2013121166A3 Solar pv system for vehicles
02/27/2014WO2013096188A3 A power converter and methods of controlling the same
02/27/2014US20140055182 Power control system and method
02/27/2014US20140054963 Electrical power regulating and monitoring systems and outlet systems therefor
02/27/2014DE102012214927A1 Verfahren zum Transport von Strom über ein vermaschtes Stromnetz Method for transporting electricity over a meshed power grid
02/27/2014DE102012016846A1 Decentralized power generator operating method for use in power network, involves providing electrical cut-off voltage if electrical voltage in power network and/or in another power network threatens to exceed
02/26/2014EP2701276A1 Symmetrical ups power system based on nine-phase self-coupling phase-shifting transformer
02/26/2014EP2701266A1 Power supply system
02/26/2014EP2701265A1 Power control system
02/26/2014EP2701264A1 Control device, power control system, and power control method
02/26/2014EP2701263A1 Power management system that changes the operating conditions of a battery charger
02/26/2014EP2701262A1 Power control device, control system, and control method
02/26/2014EP2701261A1 Control device, power control system, and power control method
02/26/2014EP2700139A1 Method and apparatus in an electricity distribution network
02/26/2014EP2700138A2 Controlled converter architecture with prioritized electricity supply
02/26/2014CN203457096U Dust collector controller with harmonic wave suppression
02/26/2014CN203456881U Asynchronous locking loop of automatic quasi-synchronizing device
02/26/2014CN203456880U Intelligent control apparatus for solving problem of frequent morning-evening starting of photovoltaic grid-connected inverter
02/26/2014CN203456879U Low-cost single-phase integrated energy feedback system
02/26/2014CN203456878U Stabilizer system and converter controller
02/26/2014CN203456877U A high-voltage reactive power compensation apparatus used for stabilizing the power grid voltage of a power supply system
02/26/2014CN203456876U A low-voltage power grid wireless remote control reactive power compensation apparatus
02/26/2014CN203456875U Synchronization switching device of reactive compensation capacitor group
02/26/2014CN203456874U Serial-connection type voltage compensation antagonistic apparatus
02/26/2014CN203456873U System for filtering harmonic current in ocean platform power grid
02/26/2014CN203456872U Protection circuit for power supply of three-phase power source
02/26/2014CN203456219U Combined sine wave filter reactor
02/26/2014CN103608996A Uninterruptible power supply system
02/26/2014CN103608993A Drive chain comprising a doubly-fed electric machine and an inverter controlled according to a law limiting the delivered active power
02/26/2014CN103608992A Charging system, power management server, vehicle management server, and power management program
02/26/2014CN103608991A Smart node
02/26/2014CN103607161A IGBT cascade speed regulation system, control method and control system thereof
02/26/2014CN103607133A Three-phase bridge PWM converter and active power filter formed by same
02/26/2014CN103607038A Method for implementing serial power supplying of multistage spare power automatic switching devices in power grid
02/26/2014CN103607035A Intensive light-storage thermal and cold control method and control system
02/26/2014CN103607034A Intensive light-storage thermal-cold system
02/26/2014CN103607032A Renewable energy generating, power transmission and transformation and electrical network access integrated system
02/26/2014CN103606969A Method for optimizing and dispatching sea island microgrid with new energy and sea water desalination loads
02/26/2014CN103606968A Method for controlling split operating state to be converted into parallel operating state in double-transformer system
02/26/2014CN103606967A Dispatching method for achieving robust operation of electrical power system
02/26/2014CN103606966A Control method for distribution of active power and reactive power of wind power generator
02/26/2014CN103606965A Networking control method of energy storage inverters based on quasi real-time synchronous signals
02/26/2014CN103606964A Wind generating set and low voltage ride-through protection method thereof
02/26/2014CN103606963A Distributed photovoltaic power station/380V user distributor box grid-integration structure
02/26/2014CN103606962A Distributed photovoltaic power station/380V power grid overhead network grid-integration structure
02/26/2014CN103606961A Distributed photovoltaic power station/transformer substation 10kV bus grid-integration structure
02/26/2014CN103606960A Distributed photovoltaic power station/power distribution station 380V bus grid-integration structure
02/26/2014CN103606959A Low/high-voltage through optimization control method for doubly-fed wind power generation system
02/26/2014CN103606958A Hybrid inverter and control method
02/26/2014CN103606957A Design for multifunctional photovoltaic grid-connected control method
02/26/2014CN103606956A Power decoupling circuit for photovoltaic grid-connected inverter
02/26/2014CN103606955A Micro-grid power source based on half cycle sine wave
02/26/2014CN103606954A Novel grid-connected photovoltaic power generation control method
02/26/2014CN103606953A Single-stage boosting three-phase flyback inverter for solar energy grid-connected power generation
02/26/2014CN103606952A Cutter control measure quantification method based on system acceleration energy
02/26/2014CN103606951A Wind power generation-based electric energy quality compensation controlling apparatus and method thereof
02/26/2014CN103606950A Island detection method of distributed wind-power converter
02/26/2014CN103606949A Control method for improving voltage stability of power grid of large-scale photovoltaic access area
02/26/2014CN103606948A Asymmetric operation method of direct-driven wind power converter and based on PIR controller
02/26/2014CN103606947A Method for optimizing system loss of individual windfarm system with transmission lines
02/26/2014CN103606946A Power transmission system for promoting alternating current overhead line transmission capacity based on MMC
02/26/2014CN103606945A Control system and control method for multi-terminal flexible direct current power transmission system
02/26/2014CN103606944A 智能供电系统 Intelligent power supply system
02/26/2014CN103606943A Microgrid nickel-metal hydride battery energy storage system
02/26/2014CN103606942A Mixed-liquid-flow energy-storage system with reactive compensation function
02/26/2014CN103606941A Gas-liquid two-phase energy-storing power distribution device
02/26/2014CN103606940A Distributed power stabilizing method applied in micro grid
02/26/2014CN103606939A Wind power and diesel hybrid electric power system load frequency control method based on sliding-mode control
02/26/2014CN103606938A Thyristor rectifying device control system for aluminum electrolysis industry under isolated power system operation
02/26/2014CN103606937A Method for stabilizing micro-grid power fluctuation by utilizing controllable load
02/26/2014CN103606936A H-bridge cascading STATCOM dead-beat control method based on discrete state observer and discrete sliding-mode observer
02/26/2014CN103606935A Dynamic direct-current voltage-stabilizing method for static synchronous reactive compensation device
02/26/2014CN103606934A Method for inter-phase balance control over direct current side capacitor voltage of cascade h-bridge STATCOM based on modulating wave translation
02/26/2014CN103606933A Reactive capacitor compensation cabinet
02/26/2014CN103606932A Load-related automatic control method of low-voltage dynamic reactive compensation capacitor
02/26/2014CN103606931A AVC (Automatic Voltage Control) system constant value regulation method based on probability statistics characteristic
02/26/2014CN103606930A Method for controlling automatic delivery of currents for first time running of double-transformer power supply system
02/26/2014CN103606929A Photovoltaic power generation-based electric energy quality compensation controlling apparatus and method thereof
02/26/2014CN103606928A Inverse-time-limit transformer substation voltage control method and device
1 ... 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 ... 387