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Implementation of Battery Energy Storage System for an Island Microgrid With High PV Penetration
IEEE Transactions on Industry Applications ( IF 4.4 ) Pub Date : 2021-04-27 , DOI: 10.1109/tia.2021.3075655
Te-Tien Ku , Chung-Sheng Li

This article presents the innovative integrated control strategies of the battery energy storage system (BESS) to support the system operation of an offshore island microgrid with high penetration of renewable energy. An intelligent energy management system (iEMS) was implemented to perform the supervisory control and data acquisition of diesel generators, distribution feeders, photovoltaic (PV) systems, and the BESS. An expert system was designed and embedded in the iEMS to derive the decision making for fast power discharging of BESS to improve the system transient stability for the severe contingency of large disturbances caused by the tripping of generators and PV farm. To mitigate the impact of PV generation fluctuation and to maintain the stable operation of diesel generators, the adaptive control of power charging and discharging of the BESS is applied to reduce the ramping rate of PV generation. To achieve the economic dispatch of the microgrid, the strategy of peak shaving and valley filling of the system net load curve by the BESS was derived considering the forecasting daily profiles of system loading and PV power generation. The computer simulation of actual diesel generator tripping and the field test of intentional PV system shutdown have been executed to demonstrate the effectiveness of the proposed control strategies of the BESS system to improve the system operation and transient stability of the study microgrid with high penetration of renewable energy.

中文翻译:

光伏高渗透率海岛微电网电池储能系统的实现

本文介绍了电池储能系统 (BESS) 的创新集成控制策略,以支持具有高可再生能源渗透率的离岸微电网系统运行。实施了智能能源管理系统 (iEMS) 以执行柴油发电机、配电馈线、光伏 (PV) 系统和 BESS 的监督控制和数据采集。设计并嵌入iEMS的专家系统,推导出BESS快速放电的决策,以提高系统瞬态稳定性,以应对因发电机跳闸和光伏电站跳闸引起的大扰动的严重突发事件。为减轻光伏发电波动的影响,维持柴油发电机组稳定运行,采用BESS功率充放电自适应控制,降低光伏发电爬坡率。为实现微电网的经济调度,结合预测系统负荷和光伏发电量的日曲线,推导出BESS对系统净负荷曲线的削峰填谷策略。已执行实际柴油发电机跳闸的计算机模拟和有意光伏系统关闭的现场测试,以证明所提出的 BESS 系统控制策略的有效性,以改善具有高渗透率的研究微电网的系统运行和暂态稳定性活力。考虑到系统负荷和光伏发电量的预测日曲线,推导出BESS对系统净负荷曲线的削峰填谷策略。已执行实际柴油发电机跳闸的计算机模拟和有意关闭光伏系统的现场测试,以证明所提出的 BESS 系统控制策略的有效性,以改善具有高渗透率的研究微电网的系统运行和暂态稳定性活力。考虑到系统负荷和光伏发电量的预测日曲线,推导出BESS对系统净负荷曲线的削峰填谷策略。已执行实际柴油发电机跳闸的计算机模拟和有意光伏系统关闭的现场测试,以证明所提出的 BESS 系统控制策略的有效性,以改善具有高渗透率的研究微电网的系统运行和暂态稳定性活力。
更新日期:2021-04-27
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