风电并网下的抽水蓄能鲁棒最优调频控制策略

doi:10.11930/j.issn.1004-9649.202303027

中国电力 ›› 2023, Vol. 56 ›› Issue (5): 32-40.DOI: 10.11930/j.issn.1004-9649.202303027

• 双碳目标下的新型电力系统 • 上一篇下一篇

风电并网下的抽水蓄能鲁棒最优调频控制策略

游文霞^1,2, 刘斌¹, 李世春^1,2, 李文武^1,2, 查子健¹, 张鹏宇¹

1. 三峡大学电气与新能源学院, 湖北宜昌 443002;
2. 梯级水电站运行与控制湖北省重点实验室(三峡大学), 湖北宜昌 443002

收稿日期:2023-03-06 修回日期:2023-04-13 出版日期:2023-05-28 发布日期:2023-05-27
作者简介:游文霞(1983-),女,博士,副教授,从事自动控制在电力系统的应用研究,E-mail:youwenxia@ctgu.edu.cn;刘斌(1995-),男,硕士研究生,通信作者,从事鲁棒控制在电力系统中的应用研究,E-mail:942605227@qq.com
基金资助:
国家自然科学基金资助项目（51907104）；梯级水电站运行与控制湖北省重点实验室开放基金项目（2019KJX08）。

Robust Optimal Frequency Regulation Control Strategy for Pumped Storage in Grid-Connected Wind Power Systems

YOU Wenxia^1,2, LIU Bin¹, LI Shichun^1,2, LI Wenwu^1,2, ZHA Zijian¹, ZHANG Pengyu¹

1. College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443002, China;
2. Hubei Provincial Key Laboratory for Operation and Control of Cascaded Hydropower Station (China Three Gorges University), Yichang 443002, China

Received:2023-03-06 Revised:2023-04-13 Online:2023-05-28 Published:2023-05-27
Supported by:
This work is supported by National Natural Science Foundation of China (No.51907104), Open Fund of Hubei Provincial Key Laboratory for Operation and Control of Cascade Hydropower Station (No.2019KJX08).

摘要/Abstract

摘要： 针对短时风电功率波动及负荷波动给电力系统带来的一次调频问题，提出了风电并网系统下抽水蓄能机组的最优鲁棒调频控制方法。建立了以抽水蓄能机组为主要调频电源的电力系统整体状态空间方程，并以权重函数的形式将风电出力波动及负荷波动作为扰动变量将其一般鲁棒控制问题转换为最优鲁棒控制问题。运用混合秃鹫灰狼算法（mutation harris hawks optimization grey wolf optimizer，MHHOGWO）对反映风电出力波动特性和负荷波动特性加权矩阵参数选优，求解出以系统频率偏差最小的鲁棒控制器。仿真结果表明：所提方法能有效减小外部扰动对整个电力系统造成的频率偏差，抽水蓄能机组对短时外部功率波动的调节响应性能也得到提高。

关键词: 电力系统, 抽水蓄能, 鲁棒控制, 混合秃鹫灰狼算法

Abstract: To solve the primary frequency regulation problems of power system brought about by short-time wind power fluctuation and load fluctuation, a robust optimal frequency regulation control method is proposed for pumped storage units in the power system with integration of wind power. By establishing the overall state space equations of the power system with the pumped storage units as the primary frequency regulation power source, the general robust control problem is converted into an optimal robust control problem with the wind power output fluctuation and load fluctuation as the disturbance variables in the form of weight functions. The mutation harris hawks optimization grey wolf optimizer (MHHOGWO) is applied to select the optimal parameters of the weighting matrix reflecting the fluctuation characteristics of wind power output and load, and to solve the robust controller with the lowest frequency deviation of the system. The simulation results show that the proposed method can effectively reduce the frequency deviation of the whole power system caused by external disturbances, and the regulation response performance of pumped storage units to short-time external power fluctuations is also improved.

Key words: power systems, pumped storage, robust control, hybrid vulture-grey-wolf algorithm

游文霞, 刘斌, 李世春, 李文武, 查子健, 张鹏宇. 风电并网下的抽水蓄能鲁棒最优调频控制策略[J]. 中国电力, 2023, 56(5): 32-40.

YOU Wenxia, LIU Bin, LI Shichun, LI Wenwu, ZHA Zijian, ZHANG Pengyu. Robust Optimal Frequency Regulation Control Strategy for Pumped Storage in Grid-Connected Wind Power Systems[J]. Electric Power, 2023, 56(5): 32-40.

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风电并网下的抽水蓄能鲁棒最优调频控制策略

Robust Optimal Frequency Regulation Control Strategy for Pumped Storage in Grid-Connected Wind Power Systems

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风电并网下的抽水蓄能鲁棒最优调频控制策略

Robust Optimal Frequency Regulation Control Strategy for Pumped Storage in Grid-Connected Wind Power Systems

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