Voltage frequency controller for an isolated wind energy conversion system for three phase four wire loads by using Adaline based control technique

Renewable energy systems

In this paper, A stand alone wind energy conversion system based on a permanent magnet synchronous generator with an Adaline (adaptive linear element) controlled voltage and frequency(VF) controller has been found suitable for three-phase four-wire system. The VF controller has used a VSC with a battery energy storage system (BESS) at its dc link.. The proposed electromechanical system along with its controller and Scott connected transformer has been modeled and its behavior is simulated using MATLAB with its Simulink. The Adaline based neural network is used to control the VSC of the proposed controller. The Adaline control technique is simple and has a fast response. The Scott-connected transformer is used for providing a papth to the zero sequence current for three-phase four-wire loads. This reduces the complexity and also cost of the VF controller. The VF controller consists of insulated gate bipolar transistors (IGBTs) based 3-leg VSC with a battery energy storage system (BESS) at its dc link. The VF controller injects and absorbs both active and reactive power by which it controls both frequency and voltage with varying consumer loads and wind speed.the VF controller also functions as a harmonic compensator and a load balancer.

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