Title :
A new control method for VRB SOC estimation in stand-alone wind energy systems
Author :
Barote, L. ; Marinescu, C.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Transilvania Univ. of Brasov, Brasov, Romania
Abstract :
This paper proposes the integration of a vanadium redox flow battery (VRB) system with a typical stand-alone wind energy system during wind speed variation as well as transient performance under variable load. The investigated system consists of a 3 kW variable speed wind turbine with permanent magnet synchronous generator (PMSG), diode rectifier bridge, buck-boost converter, bidirectional charge controller, transformer, inverter, ac loads and VRB. The state of charge (SOC) method control is used for controlling the VRB in order to ensure the difference of energy, if the wind turbine can´t supply the total energy for the loads. The main purpose is to supply domestic appliances through a single phase 230 V, 50 Hz inverter. Simulation of the system using Matlab/Simulink software was performed in order to validate the stability of the supply.
Keywords :
battery storage plants; domestic appliances; invertors; power generation control; power supplies to apparatus; wind power plants; wind turbines; Matlab-Simulink software; VRB SOC estimation; control method; domestic appliances; frequency 50 Hz; single phase inverter; stand-alone wind energy system; state of charge method; vanadium redox flow battery; voltage 230 V; wind speed variation; wind turbine; Batteries; Control systems; Diodes; Inverters; Magnetic variables control; Permanent magnets; Synchronous generators; Wind energy; Wind speed; Wind turbines; SOC; VRB; energy storage; stand-alone system; wind energy;
Conference_Titel :
Clean Electrical Power, 2009 International Conference on
Conference_Location :
Capri
Print_ISBN :
978-1-4244-2543-3
Electronic_ISBN :
978-1-4244-2544-0
DOI :
10.1109/ICCEP.2009.5212047
