Abstract

Distribution resource in grid-connected system needs an inverter as its power convertion tool. This paper presents a single phase current source inverter with a control technique based on Clark-Park transformation, so that the active power inverter can be controlled and it also has adjustable reactive power support. The inverter is equipped with protection of anti-islanding method. The result has done under simulation using MATLAB/Simulink and shows that the occurrence of islanding can be detected by transform the voltage at Point of Common Coupling by processing using Discrete Wavelet Transformation. The detection time vary depend on the type of load when islanding occurred.

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