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Study on multi-loop control strategy of three-shaft gas turbine for electricity generation

Zilai Zhang (Shanghai Jiao Tong University, Shanghai, China)
Shusheng Zang (Shanghai Jiao Tong University, Shanghai, China)
Bing Ge (Shanghai Jiao Tong University, Shanghai, China)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 22 March 2019

Issue publication date: 15 August 2019

Abstract

Purpose

This paper aims to develop a dynamic performance model of three-shaft gas turbine for electricity generation and to study a multi-loop control strategy of three-shaft gas turbine for electricity generation.

Design/methodology/approach

In this paper, the dynamic performance model of the three-shaft gas turbine is established and developed. A novel approach, variable partial differential coefficient deviation linearization method is used to simulate the dynamic performance of the three-shaft gas turbine. Single-loop control system, feed-forward feedback control system and cascade system are assessed to control the engine during transient operation.

Findings

A novel approach, variable partial differential coefficient deviation linearization method is used to simulate the dynamic performance of the three-shaft gas turbine. According to the results shown, the cascade control system is most satisfactory due to its fastest response and the best stability and robustness.

Originality/value

The method of variable partial linearization is adopted to make the dynamic simulation of the model achieve higher precision, better steady state and less computation time. This paper provides a theoretical study for the multi-loop control system of a marine three-shaft gas turbine.

Keywords

Citation

Zhang, Z., Zang, S. and Ge, B. (2019), "Study on multi-loop control strategy of three-shaft gas turbine for electricity generation", Aircraft Engineering and Aerospace Technology, Vol. 91 No. 7, pp. 1002-1010. https://doi.org/10.1108/AEAT-05-2018-0149

Publisher

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Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited