Optimal decentralized control of a wind turbine and diesel generator system

Document Type

Article

Publication Date

3-1-2023

Abstract

This article presents a decentralized optimal controller design technique for the frequency and power control of a coupled wind turbine and diesel generator. The decentralized controller consists of two proportional-integral (PI)-lead controllers which are designed and optimized simultaneously using a quasi-Newton based optimization technique, namely, Davidon–Fletcher–Powell algorithm. The optimal PI-lead controllers are designed in such a way that there are no communication links between them. Simulation results show the superior performance of the proposed controller with a lower order structure compared to the benchmark decentralized linear-quadratic Gaussian integral controllers of orders 4 and 11. It is also shown that the proposed controller demonstrates an effective performance in damping the disturbances from load and wind power, as well as a robust performance against the parameter changes of the power system.

Identifier

85111361921 (Scopus)

Publication Title

Optimal Control Applications and Methods

External Full Text Location

https://doi.org/10.1002/oca.2762

e-ISSN

10991514

ISSN

01432087

First Page

677

Last Page

698

Issue

2

Volume

44

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