Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
10/2012
10/31/2012CN102763300A Controlling virtual power circuits
10/31/2012CN102763299A Network centric power flow control
10/31/2012CN102763298A Distributed status calculations in an electricity network with the aid of agents
10/31/2012CN102761269A Power unit and frequency converter
10/31/2012CN102761138A LCL type grid-connected inverter without resonance damping and integrated design method thereof
10/31/2012CN102761137A Electric system used for grid combination of megawatt-level wind generating set
10/31/2012CN102761136A Power conversion device and power generation conversion system
10/31/2012CN102761135A Low voltage ride through method for single-stage photovoltaic grid-connected inverter
10/31/2012CN102761134A Small gas-fired generation grid-connected unit with automatic intermittent working function
10/31/2012CN102761133A Method for controlling frequency modulation of micro-grid battery energy storage system based on fuzzy control
10/31/2012CN102761132A Method for calculating three-phase susceptance of reactive power compensation circuit
10/31/2012CN102761131A Low-voltage side boosting reactive power compensation and filtration device of ore furnace
10/31/2012CN102761130A Automatically-controlled power factor compensation circuit
10/31/2012CN102761129A Automatic power factor compensation circuit utilizing electrolytic capacitor
10/31/2012CN102761128A On-line coordinated automatic control method for economical operation and reactive power optimization of transformer
10/31/2012CN102761127A Reactive current compensation method for three-phase grid-connected inverter in situation of unbalanced drop of grid
10/31/2012CN102761126A Method for elastic identification of electrical load time
10/31/2012CN102761125A Closed-loop system capable of identifying transient stability of power system in real time and performing based on response and control method
10/31/2012CN102761124A Method for predetermining power generation loads of self-provided power generator units
10/31/2012CN102761123A Multi-infeed HVDC (high-voltage direct current) system partitioning method based on mounting of fault current limiters
10/31/2012CN102761122A Defense method of false data injection attack of power state estimation system
10/31/2012CN102761121A Calculation method for power grid load
10/31/2012CN102761085A Direct-current ice-melting power supply topology
10/31/2012CN102182632B Wind turbine device for regulating speed and running by using solar energy
10/31/2012CN102097810B Magnetic valve type magnetically controlled reactor (MCR)
10/31/2012CN102082441B Control circuit of reactive power compensating capacitors for pumping unit
10/31/2012CN102025182B Modular charging/discharging system of power battery pack of multifunctional electromobile
10/31/2012CN101951185B Method for controlling dual buck grid-connected inverter
10/31/2012CN101950980B Capacity configuration method of energy storing device for regulating and controlling synchronization of distributed photovoltaic power supply
10/31/2012CN101917016B Energy-saving type cascade multilevel photovoltaic grid-connected generating control system
10/31/2012CN101847875B Power compensation method for unbalanced direct power control of voltage controlled grid-connected inverter
10/31/2012CN101685964B Online scheduling aid decision method and system based on large-scale parallel processing
10/31/2012CN101685481B Method for calculating on-line power transmission margin based on parallel algorithm
10/30/2012US8301929 System and method for dynamic power regulator for power supply output adjustment
10/30/2012US8301313 Method of reducing power provided by a wind power installation based on network conditions
10/30/2012US8301312 Fault situation processing arrangement of a load distribution system of a local electric power transmission network
10/30/2012US8300439 Data acquisition apparatus and methodology for self-diagnosing of AC modules
10/30/2012US8300435 Transmission system and a method for control thereof
10/30/2012US8299650 Wind turbine generator and output power control method
10/30/2012US8299647 Switchable current supply for auxiliary current circuits in a current converter
10/30/2012US8297391 Power supply system, vehicle provided with the same, power supply system control method and computer-readable recording medium bearing program for causing computer to control the power supply system
10/30/2012CA2539834C Grid stabilising system
10/29/2012DE202012004838U1 Gerät zur Speicherung und Aufgabe von Energie mittels Akkumulatoren Device for storing and task of energy using batteries
10/29/2012CA2775193A1 Transformer structure for smart load balancing
10/26/2012WO2012144629A1 Power control device, control system, and control method
10/26/2012WO2012144491A1 Power control system
10/26/2012WO2012144474A1 Control device, power control system, and power control method
10/26/2012WO2012144473A1 Control device, power control system, and power control method
10/26/2012WO2012144399A1 Dc power supply system
10/26/2012WO2012144044A1 Power management system and method
10/26/2012WO2012143904A2 Controlled converter architecture with prioritized electricity supply
10/26/2012WO2012143245A1 Arrangement comprising a power converter
10/26/2012WO2012143051A1 Method and apparatus in an electricity distribution network
10/26/2012WO2012143037A2 Method in a voltage source chain-link converter, computer programs and computer program products
10/26/2012WO2012142841A1 Method for implementing on/off-grid dual-mode operation of bidirectional converter in micro power grid
10/26/2012WO2012038113A3 Electrical installation for an arc furnace
10/25/2012US20120271474 Electric power distribution system
10/25/2012US20120267959 Device for transporting energy by partial influence through a dielectric medium
10/25/2012DE102012100659A1 Reduktion des vom Generator stammenden Fehlerstrombeitrags Reduction, derived from a generator fault current contribution
10/24/2012EP2515430A2 Electric generating system using solar cell
10/24/2012EP2515413A1 Power control method, communication apparatus, and power control system
10/24/2012EP2515409A2 Method for configuring an electric power conversion facility and facility implementing said method
10/24/2012EP2515408A1 Control device for secondary battery, and control method for secondary battery
10/24/2012EP2515407A1 A volt/var switch plan
10/24/2012EP2515406A1 Systems, Methods, And Apparatus For Maintaining Stable Conditions Within A Power Grid
10/24/2012EP2515083A1 Methods and systems for monitoring a grid control system
10/24/2012EP2514061A2 Generation plant control apparatus and method
10/24/2012EP2514060A2 Distributed status calculations in an electricity network with the aid of agents
10/24/2012EP2513735A2 Photovoltaic heater
10/24/2012CN202503361U On-line verifying apparatus for starting and grid connection of emergency diesel generator in nuclear power plant
10/24/2012CN202503305U Photovoltaic grid-connected inverter circuit
10/24/2012CN202503304U Novel low voltage ride through device suitable for doubly-fed wind power generation system
10/24/2012CN202503303U Automatic management system of ship power station
10/24/2012CN202503302U Wind power station energy storing device
10/24/2012CN202503301U Active power load balance control device
10/24/2012CN202503300U Tsc switching control device
10/24/2012CN202503299U Reactive power dynamic compensation controller
10/24/2012CN202503298U Voltage precharged power capacitor switch
10/24/2012CN202503297U Dynamic reactive power compensation device
10/24/2012CN202503296U Current-mode electric potential compensation device
10/24/2012CN202503295U Controllable silicon controlled triggering circuit with zero-voltage input
10/24/2012CN202503294U Dynamic harmonic elimination reactive compensation module
10/24/2012CN202503293U Dynamic reactive power compensation device for long-distance transmission line of power grid
10/24/2012CN202503292U Single-phase electronic power saving device
10/24/2012CN202503291U Intelligent automatic voltage control system
10/24/2012CN202503290U Voltage precharged intelligent power capacitor
10/24/2012CN202503289U Power voltage-stabilizing and maintenance device
10/24/2012CN202500657U Novel compressed air energy storage system
10/24/2012CN202496324U Solar LED (light-emitting diode) insecticidal lamp adopting flyback boosting
10/24/2012CN102754298A Power supply device and method
10/24/2012CN102754297A Multichannel power controller
10/24/2012CN102754121A Green energy generation apparatus, mobile device, electric storage apparatus, and management method of green energy information
10/24/2012CN102753383A System and method for reinjection of retard energy in a trolley-based electric mining haul truck
10/24/2012CN102751945A Large-power alternating current-alternating current variable frequency speed regulating system suitable for large-power mine hoist
10/24/2012CN102751938A Alternating current speed regulating system suitable for mine ventilator
10/24/2012CN102751791A Method and device for induction cooker aging
10/24/2012CN102751776A High-capacity reversible charging and discharging device
10/24/2012CN102751771A Control method of electric car-mounted charging device
10/24/2012CN102751751A Alternating current bus electronic control system of electric workover rig
10/24/2012CN102751745A System and method for power supply of solar power generation