A load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system

In order to handle the problem of frequency fluctuations caused by load disturbances in multi-area interconnected power systems, a sliding mode control strategy for hybrid energy storage system has been designed by combining interval observer and disturbance reconstruction technology. The hybrid ene...

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Autores principales:	Feng Zhu, Xichao Zhou, Yiwei Zhang, Dezhi Xu, Jingqi Fu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Load frequency control (LFC) Hybrid energy storage system (HESS) Interval observer Disturbance reconstruction Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/5d8aef337c464f8a9353077b0214ef14
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spelling	oai:doaj.org-article:5d8aef337c464f8a9353077b0214ef142021-12-02T05:01:55ZA load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system2352-484710.1016/j.egyr.2021.09.029https://doaj.org/article/5d8aef337c464f8a9353077b0214ef142021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352484721008349https://doaj.org/toc/2352-4847In order to handle the problem of frequency fluctuations caused by load disturbances in multi-area interconnected power systems, a sliding mode control strategy for hybrid energy storage system has been designed by combining interval observer and disturbance reconstruction technology. The hybrid energy storage system composed of a battery and a super capacitor has been used to improve the performance of load frequency control systems. Using the load frequency control model of the multi-area interconnected power system, the interval observers are designed for each area to get the information about interval bounds of the system state in each area online. Then, the load disturbance in each area is reconstructed online using the estimation information of system state, and a sliding mode controller based on interval disturbance reconstruction is designed for power consumption and storage of the hybrid energy storage system, so as to stabilize the power grid frequency. Simulation results have shown that the proposed control strategy can effectively suppress the frequency and tie-line power fluctuations caused by load disturbances, and ensure the reliability and stability of the power system.Feng ZhuXichao ZhouYiwei ZhangDezhi XuJingqi FuElsevierarticleLoad frequency control (LFC)Hybrid energy storage system (HESS)Interval observerDisturbance reconstructionElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENEnergy Reports, Vol 7, Iss , Pp 8849-8857 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Load frequency control (LFC) Hybrid energy storage system (HESS) Interval observer Disturbance reconstruction Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Load frequency control (LFC) Hybrid energy storage system (HESS) Interval observer Disturbance reconstruction Electrical engineering. Electronics. Nuclear engineering TK1-9971 Feng Zhu Xichao Zhou Yiwei Zhang Dezhi Xu Jingqi Fu A load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system
description	In order to handle the problem of frequency fluctuations caused by load disturbances in multi-area interconnected power systems, a sliding mode control strategy for hybrid energy storage system has been designed by combining interval observer and disturbance reconstruction technology. The hybrid energy storage system composed of a battery and a super capacitor has been used to improve the performance of load frequency control systems. Using the load frequency control model of the multi-area interconnected power system, the interval observers are designed for each area to get the information about interval bounds of the system state in each area online. Then, the load disturbance in each area is reconstructed online using the estimation information of system state, and a sliding mode controller based on interval disturbance reconstruction is designed for power consumption and storage of the hybrid energy storage system, so as to stabilize the power grid frequency. Simulation results have shown that the proposed control strategy can effectively suppress the frequency and tie-line power fluctuations caused by load disturbances, and ensure the reliability and stability of the power system.
format	article
author	Feng Zhu Xichao Zhou Yiwei Zhang Dezhi Xu Jingqi Fu
author_facet	Feng Zhu Xichao Zhou Yiwei Zhang Dezhi Xu Jingqi Fu
author_sort	Feng Zhu
title	A load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system
title_short	A load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system
title_full	A load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system
title_fullStr	A load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system
title_full_unstemmed	A load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system
title_sort	load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/5d8aef337c464f8a9353077b0214ef14
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A load frequency control strategy based on disturbance reconstruction for multi-area interconnected power system with hybrid energy storage system

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