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Energies 2019, 12(1), 199; https://doi.org/10.3390/en12010199

Distributed Settlement of Frequency Regulation Based on a Battery Energy Storage System

1
Pingyang Power Supply Company of State Grid, Wenzhou 325401, China
2
Key Laboratory of Power Transmission Equipment & System Security and New Technology, School of Electrical Engineering, Chongqing University, Chongqing 400044, China
3
School of CQU-UC JCI, Chongqing University, Chongqing 400044, China
*
Author to whom correspondence should be addressed.
Received: 26 October 2018 / Revised: 28 December 2018 / Accepted: 29 December 2018 / Published: 8 January 2019
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Abstract

Battery energy storage systems (BESS) have wide applicability for frequency regulation services in power systems, owing to their fast response and flexibility. In this paper, a distributed method for frequency regulation based on the BESS is proposed, where the method includes two layers. The upper layer is a communication network composed of agents, which is used to transmit and process information, whilst the bottom layer comprises the power system with the BESS, which provides a frequency regulation service for the system. Furthermore, a set of fully distributed control laws for the BESS are derived from the proposed distributed method, where economic power dispatch and frequency recovery are simultaneously achieved. Finally, simulations were conducted to evaluate the effectiveness of the proposed method. The results show that the system frequency regulation and economic power dispatch are achieved after considering the limits of the battery state of charge and communication delays. View Full-Text
Keywords: battery energy storage system; state of charge; frequency regulation; distributed economical dispatch battery energy storage system; state of charge; frequency regulation; distributed economical dispatch
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Lin, H.; Jin, J.; Lin, Q.; Li, B.; Wei, C.; Kang, W.; Chen, M. Distributed Settlement of Frequency Regulation Based on a Battery Energy Storage System. Energies 2019, 12, 199.

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