Evaluation of LFC capacity for output fluctuation of photovoltaic power generation systems based on multi-point observation of insolation

2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262) Pub Date : 2001-07-15 DOI:10.1109/PESS.2001.970323

S. Yanagawa, T. Kato, W. Kai, A. Tabata, Y. Yokomizu, T. Okamoto, Y. Suzuoki

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引用次数: 50

Abstract

The output of a photovoltaic power generation system (PV system) fluctuates depending on weather conditions. Large-scale introduction of PV systems may cause some difficulties in the operation of an electric power system. The evaluation of the influence of PV systems on the power system operation should consider the smoothing effect of the outputs by the dispersed introduction of PV systems. This paper discusses the LFC (load frequency control) capacity for output fluctuation of PV systems based on the insolation data simultaneously observed at 5 points around Nagoya, Japan. As a result, when the weather was clear but clouds moved frequently, the capacity. for LFC based on the regional averaged insolation was evaluated less than a half of that evaluated by the insolation at one point. Furthermore, LFC capacity might be dominated by the speed factor rather than the magnitude factor of load fluctuation including PV system's output when a large capacity of PV systems is installed.

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基于多点日照观测的光伏发电系统出力波动LFC容量评价

光伏发电系统(PV system)的输出会随着天气条件的变化而波动。大规模引进光伏系统可能会给电力系统的运行带来一些困难。在评价光伏系统对电力系统运行的影响时，应考虑分散引入光伏系统对输出的平滑效应。本文基于日本名古屋周边5个点同时观测的日照数据，讨论了光伏发电系统对输出波动的负荷频率控制能力。因此，当天气晴朗但云层频繁移动时，容量。基于区域平均日晒的LFC的评估值不到某一点日晒评估值的一半。此外，当安装大容量光伏系统时，LFC容量可能受速度因子而不是包括光伏系统输出在内的负载波动幅度因子的支配。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262)

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