Abstract

This paper deals with the control of a diesel generator and a voltage source converter in a standalone microgrid for water treatment application. Droop control is used to ensure the power sharing and ensure regulation of the AC voltage and frequency at the Point of Common Coupling (PCC). A Perturb and Observe (P&O) method based on integral action is used to achieve the Maximum Power Point Tracking (MPPT) without using speed sensors from the variable speed Wind Energy Conversion System (WECS). A Battery Energy Storage System (BESS) is connected to the DC bus through a DC-DC buck-boost converter to ensure power leveling during wind and load variation. The performance of the proposed system are tested using Matlab/Simulink under load and weather variation.

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