Performance Improvement of Weak Grid-connected Wind Energy System Using FLSRF Controlled DSTATCOM

Also Available Domains |Wind Power Generation

Project Code :TEPGPS614

Objective

The main objective is to mitigate the challenges associated with wind power penetration in the remotely located grid in the presence of unbalanced linear and non-linear loads Using FLSRF Controlled DSTATCOM.

Abstract

This paper proposes a methodology to improve the PQ in the weak grid with WE penetration using additional distribution static compensator (DSTATCOM). Fuzzy Logic (FL) controller is implemented in the conventional Synchronous Reference Frame (SRF) scheme to minimize the oscillations in the voltage signals. Also, a feed-forward block of the WE source is incorporated in the FLSRF control scheme for adapting changes associated with the wind speed. The proposed control scheme accommodates the changes related to the grid’s strength, wind speed, load currents and DC-link voltage dynamics to estimate the switching signals for the DSTATCOM. The MATLAB simulation and experimental studies established the effectiveness of the proposed method for enhancing the PQ performance of weak grid-connected WE sources in the presence of non-linear loads.

Index Terms—DSTATCOM, Fuzzy Logic, Synchronous Reference Frame, SCR, PQ, Weak Grid, Wind Energy Source.

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