Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663)
10/2013
10/24/2013DE102012007614A1 Smart energy system for storage of electrical power in house, has sensor supplying specific signals to program, where signals serve for controlling cooperation among storage element, generation device and line for tapping power from line
10/23/2013EP2654166A1 Assembly with network monitoring system
10/23/2013EP2654165A1 System and method for setting up, commissioning and operating a wind power plant
10/23/2013EP2654164A1 Electric power control device and electric power control system using same
10/23/2013EP2654163A1 Power conversion device, control device for power conversion device, and control method for power conversion device
10/23/2013EP2654162A2 Systems and methods for limiting voltage on an auxiliary bus
10/23/2013EP2654161A2 Electrical sub-network that can be connected to an electrical network
10/23/2013EP2654160A1 Method and switching assembly for stabilising electric current in an intermediate circuit
10/23/2013EP2654156A1 Fault protection system for a power system of dynamically positioned vessel
10/23/2013EP2652859A1 Power control apparatus and power control method
10/23/2013EP2652858A2 Methods, systems, and software for controlling a power converter during low (zero)-voltage ride-through conditions
10/23/2013EP2652857A1 Method for disconnecting a photovoltaic assembly and photovoltaic assembly
10/23/2013EP2652856A1 Control unit and method for current-quality-based energy consumption regulation
10/23/2013EP2652855A1 Systems and methods for predicting customer compliance with demand response requests
10/23/2013EP1672779B1 Wind farm power ramp rate control system and method
10/23/2013CN203251231U Driving system for vehicle run by cell
10/23/2013CN203251228U Bidirectional energy storage converter
10/23/2013CN203251097U Grid-connected control circuit used for fitness equipment power generation device
10/23/2013CN203251096U Factory-used electric wiring circuit
10/23/2013CN203251095U A negative sequence compensation system in electrified railways
10/23/2013CN203251094U 110 kV power grid static var compensator
10/23/2013CN203251093U Control device for controlling single-current-detection static var generator
10/23/2013CN203251092U Multifunctional transition source box
10/23/2013CN203250989U Multifunctional integrated photovoltaic power generation device
10/23/2013CN203250617U Multi-level orthogonal magnetic saturation type controllable electric reactor
10/23/2013CN103370869A Energy storage device for a separately excited electrical machine
10/23/2013CN103370846A Electrical energy distribution apparatus
10/23/2013CN103370534A Matrix converter device for wind-power electricity-generation, wind-power electricity-generation device, wind farm, and wind turbine manufacturing method
10/23/2013CN103368442A Grid-connected inverter
10/23/2013CN103368441A Single-phase grid-connection converter vector control method
10/23/2013CN103368438A Inversion control method of photovoltaic grid-connected inverter
10/23/2013CN103368437A Inverter assembly and solar power plant comprising same
10/23/2013CN103368433A Inverter and PWM (pulse width modulation) modulation method
10/23/2013CN103368432A Modulating method and control device of soft direct current power transmission modularized multi-level transverter
10/23/2013CN103368219A Battery system and energy storage system
10/23/2013CN103368208A Intelligent integrated control device for flexible power grid access of distributed solar power stations
10/23/2013CN103368207A Primary frequency modulation optimization method and device
10/23/2013CN103368206A Rectified feedback circuit
10/23/2013CN103368205A Method for determining voltage feasible region based on total wind power on-grid active power flow
10/23/2013CN103368204A 分布式能源集成系统 Distributed Energy Systems Integration
10/23/2013CN103368203A Photovoltaic reverse-power closed loop control system and method
10/23/2013CN103368202A Multi-energy complementary comprehensive energy utilization system for zero-carbon building
10/23/2013CN103368201A High-voltage direct current transmission type grid-tied photovoltaic power generation system
10/23/2013CN103368200A Single-ended VSC-HVDC photovoltaic power generation system
10/23/2013CN103368199A Parallelable large energy feedback device electricity-saving device
10/23/2013CN103368198A System and method for controlling solar power conversion systems
10/23/2013CN103368197A Valve base control device and method of modularization multi-level converter
10/23/2013CN103368196A Chain-type variable direct-current simulation source and high-voltage energy storage converter all-in-one machine and control system
10/23/2013CN103368195A Method and system for power control of battery energy storage power station based on genetic algorithm
10/23/2013CN103368194A Method and system for controlling power of battery energy storage power station based on ant colony algorithm
10/23/2013CN103368193A Method for distribution real-time power of battery energy storage power station for tracking planned output
10/23/2013CN103368192A Method and system for controlling power of battery energy storage power station based on greedy strategy
10/23/2013CN103368191A Micro-grid multi-inverter parallel voltage unbalanced compensation method
10/23/2013CN103368190A Method for controlling low-voltage load on-line phasing
10/23/2013CN103368189A Method for solving capacitance unbalance of transformer
10/23/2013CN103368188A Method for determining AGC adjusting volume provided by power system for wind power
10/23/2013CN103368187A Reactive coordination control method based on improved wind generating set
10/23/2013CN103368186A Reactive optimization method of wind power system
10/23/2013CN103368185A Intelligent electric power capacitor and application method thereof
10/23/2013CN103368184A Control method for large wind field reactive-load compensation equipment in low voltage ride through
10/23/2013CN103368183A power supply and demand control device
10/23/2013CN103368182A Modularized multi-machine parallel-connection large-power APF (active power filter) control system and realization method
10/23/2013CN103368181A Three-phase grid-connected inverter current harmonic suppression method based on LCL-type filter repetitively controlled under two-phase static coordinate system
10/23/2013CN103368180A Timing sequence optimization control method for distributed power flow controller, and controller
10/23/2013CN103368179A Hybrid electric power filter
10/23/2013CN103368178A Harmonic suppression device
10/23/2013CN103368177A Micro-grid operation regulation and control method based on pattern conversion
10/23/2013CN103368176A Method for searching for dangerous power transmission sections
10/23/2013CN103368175A Online evaluation method of electric power system dynamic stability
10/23/2013CN103368174A Micro-grid frequency adjustment control method and system
10/23/2013CN103368173A Active power flow optimizing distribution method for alternating-direct current parallel system containing soft direct current power transmission
10/23/2013CN103368172A An information recording medium processing device and a signal processing method
10/23/2013CN103368171A Method for supplying electricity to alternating current essential load by distributed power source in direct current micro-grid
10/23/2013CN103368170A Converter and control method of multi-end soft direct current power transmission system
10/23/2013CN102545268B Large grid active power real-time control method in restricted wind power state
10/23/2013CN102545263B Power system transient stability simulation method based on explicit numerical integration
10/23/2013CN102545216B Projection method for generator node voltage during electric power system transient stability simulation process
10/23/2013CN102522743B Method for defending false-data injection attack in direct-current state estimation of electrical power system
10/23/2013CN102510083B Integration protection method capable of reducing wind power field low-voltage crossing capacity requirement
10/23/2013CN102427233B Power saving device with harmonic suppression and voltage stabilization functions
10/23/2013CN102403728B Power oscillation suppressor based on controllable transformer and suppressing method of power oscillation suppressor
10/23/2013CN102299513B Intelligent power distribution system of user level hybrid power
10/23/2013CN102244386B Device and method for adjusting low harmonic power
10/23/2013CN102195288B Active tuning type hybrid filter and control method of active tuning
10/23/2013CN102187543B Apparatus and method for reactive power compensation of test transformer
10/23/2013CN102104254B Land power source device for ship
10/23/2013CN102067430B Voltage source converter
10/23/2013CN101442198B Ice-melting mode and apparatus for mobile DC power supply
10/22/2013US8564249 Charging unit with two power source inputs
10/17/2013WO2013154803A1 Distributed electricity demand-reserve prediction
10/17/2013WO2013153737A1 Energy management device and energy management system
10/17/2013WO2013153075A2 A power compensator
10/17/2013WO2013152839A1 Photovoltaic system with controllable negative-pole earthing
10/17/2013WO2013152788A1 Electric device, and method for controlling an electric energy generator
10/17/2013WO2013152785A1 An electronic circuit with a current ripple filter
10/17/2013WO2013152482A1 Master control method for a series mtdc system and element thereof
10/17/2013WO2013152397A1 Management of battery capacity
10/17/2013WO2013068249A3 Method for providing control power in an electrical energy supply network
10/17/2013WO2013068244A3 Method for providing control power for an electrical energy supply network
10/17/2013US20130270918 Power transfer in variable frequency electric power generation systems
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