Abstract

In this paper, control and simulation of standalone microgrid (SMG) for mine site, are investigated. To achieve maximum power point tracking (MPPT) from wind turbines (WTs) and solar photovoltaic systems (SPVs), power signal feedback and perturbation and observation (P&O) method, are used. Three phase voltage source converter (VSC) with LCL filter is controlled to regulate AC voltage and improve its power quality at point of common coupling (PCC) using new active power control (APC) strategy based on proportional resonant controller (PRC) with anti-windup and active damping. For efficient and safe parallel operation with perfect synchronization of two diesel engine based generators (DGs) to the PCC, new control approach is developed. Performance of the proposed configuration and their control approaches, are validated using Matlab Simulink.

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