Design of Trading Adjustment Mechanism for Energy Storage in Electricity Market Based on Equivalent Net Load Fluctuation

2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE) Pub Date : 2023-05-12 DOI:10.1109/CEEPE58418.2023.10167423

Shihang Song, Li Zhang, Zhiqiang Qi, Haibo Wang, Yu-Xiang Wang, Xinyan Su, Guanting Chen, Fukun Wang

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Abstract

As the proportion of renewable energy connected to grid increases continuously, the volatility and uncertainty of its output affect the safe operation of the power system, so it is necessary to adjust the trading mechanism of electricity market. As a high-quality flexible resource, energy storage becomes an important means to deal with the challenge caused by renewable energy. How to improve the mechanism of electricity market to better play the role of energy storage is worthy of in-depth research. This paper proposes a trading adjustment mechanism for energy storage in electricity market based on the fluctuation degree of equivalent net load, and establishes a joint market model of energy market and frequency regulation market including storage power station. The example simulation shows that the trading adjustment mechanism proposed in this paper can effectively enhance the role of energy storage, and has a good effect on improving the fluctuation degree of net load and reducing system operating costs.

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基于等效净负荷波动的电力市场储能交易调节机制设计

随着可再生能源并网比例的不断提高，其输出的波动性和不确定性影响着电力系统的安全运行，因此有必要对电力市场交易机制进行调整。储能作为一种高质量的柔性资源，成为应对可再生能源挑战的重要手段。如何完善电力市场机制，更好地发挥储能的作用是值得深入研究的。本文提出了一种基于等效净负荷波动程度的电力市场储能交易调节机制，并建立了包括储能电站在内的能源市场和调频市场联合市场模型。算例仿真表明，本文提出的交易调节机制能有效增强储能的作用，对提高净负荷波动程度、降低系统运行成本具有良好的效果。

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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2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE)

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