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This paper presents the development and performance evaluation of a new controller for permanent magnet generator (PMG)-based wind energy conversion systems (WECSs) that are equipped with battery storage units. The proposed controller is developed to ensure the voltage and frequency stability under changes in the grid demands for active and reactive powers, and under under variations in the wind speed...
This paper deals with a new Autonomous Wind Energy Conversion System (AWECS) employing parallel operated Permanent Magnet Synchronous Generators (PMSGs) driven by variable speed wind turbines and feeding three-phase four-wire local loads. The proposed system utilizes three Pulse Width Modulated (PWM) Insulated Gate Bipolar Transistors (IGBTs) based voltage source converters (VSCs) with a battery energy...
Due to the intermittent nature of wind, a wind turbine generator alone cannot supply all the active and reactive power required by the load at all times in a standalone environment. As a close relationship exists between reactive power and voltage magnitude, reactive power support is the mean used to maintain the desired voltage profile, both during normal and contingency conditions. In this paper,...
In this paper, a battery energy storage system (BESS) based voltage and frequency (VF) controller based on isolated three-leg VSC with a zig-zag transformer is proposed for stand alone power generation using a permanent magnet synchronous generator (PMSG). An isolated distributed generation (DG) system is realised using fixed pitch wind turbine. The proposed stand alone wind energy conversion system...
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