Research on Risk Early Waring Classification Method of New Energy Access to Power System

2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES) Pub Date : 2022-09-23 DOI:10.1109/AEES56284.2022.10079283

Haoen Li, Ruanming Huang, Xiaohui Wang, Fei Fei, Y. Qi, Chao Zhang

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Abstract

As large-scale new energy sources are connected to the power grid, the uncertainty of power grid operation has been exacerbated. In addition, in recent years, the frequent occurrence of weather on the machine side and the occurrence of power grid accidents caused by meteorological elements have warned us that we should strengthen the research on power grid security issues. This paper establishes a risk warning model that is suitable for considering the access of new energy to the power system. Through the risk assessment of the future system state, a system operation risk index based on the utility function theory is proposed. Loss of Load Probability and Expected Energy not Supplied are taken as the adequacy risk indicators of the system. Based on the above indicators, a risk warning classification model is established based on the fuzzy comprehensive evaluation method, and finally the comprehensive risk level of the system is obtained. And combined with IEEE-RTS79 test system. The feasibility of the early warning model is verified.

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新能源接入电力系统风险预警分类方法研究

随着大规模新能源并网，电网运行的不确定性加剧。此外，近年来机器侧天气的频繁发生以及气象要素引发的电网事故的发生，警示我们要加强对电网安全问题的研究。本文建立了一个适合考虑新能源接入电力系统的风险预警模型。通过对未来系统状态的风险评估，提出了基于效用函数理论的系统运行风险指标。系统的充分性风险指标为负荷损失概率和预期不供电。在上述指标的基础上，基于模糊综合评价法建立了风险预警分类模型，最终得到了系统的综合风险等级。并结合IEEE-RTS79测试系统。验证了该预警模型的可行性。

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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2022 3rd International Conference on Advanced Electrical and Energy Systems (AEES)

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