Short-Term Complementary Operation of Hydro-Photovoltaic Integrated System Considering Power Generation and Output Fluctuation
Zhu Yanmei1,2, Chen Shijun1,2,3, Ma Guangwen1,2, Han Xiaoyan4, Wang Liang4
1. College of Water Resource and Hydropower Sichuan University Chengdu 610065 China 2. State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University Chengdu 610065 China 3. Business School Sichuan University Chengdu 610065 China 4. State Grid Sichuan Electric Power Company Chengdu 610041 China
Abstract：Complementary operation of hydro-photovoltaic(PV) is of great significance to solve the problem of PV grid connection and consumption. In this paper, the PV output fluctuation was systematically divided into three levels: inherent, random and intermittent fluctuation. And the mechanism of hydro-PV complementarity was revealed from two aspects of improving system efficiency for the first time. Secondly, a dual-objective scheduling model that considered both power generation and output fluctuation was established, which was solved by a nested optimization method. Combined with the output characteristics of PV power generation, the measurement of output fluctuation was improved, and the staged fluctuation control strategy was proposed to adapt to the access of large-scale PV power generation. Finally, taking the cascade hydropower stations in Xiaojinchuan River Basin and its surrounding PV power stations in Sichuan Province of China as an example, the model was tested. The results show that under the premise of ensuring the power generation, both the overall and the staged fluctuation control strategies can adjust the output fluctuation well under the condition of access of small-scale PV power generation. However, with the increase of the scale of PV power, the latter shows a significant advantage, which verifies the rationality of staged fluctuation control strategy.
通讯作者:
陈仕军 男,1989年生,助理研究员,研究方向为水文水资源、水电站运行管理及电力市场、新能源开发与调度消纳、能源战略与经济管理等。E-mail：fjnpcsj@126. com
作者简介: 朱燕梅 女,1993年生,博士研究生,研究方向为梯级水电调度及多能互补。E-mail：507109510@qq. com
引用本文:
朱燕梅, 陈仕军, 马光文, 韩晓言, 王亮. 计及发电量和出力波动的水光互补短期调度[J]. 电工技术学报, 2020, 35(13): 2769-2779.
Zhu Yanmei, Chen Shijun, Ma Guangwen, Han Xiaoyan, Wang Liang. Short-Term Complementary Operation of Hydro-Photovoltaic Integrated System Considering Power Generation and Output Fluctuation. Transactions of China Electrotechnical Society, 2020, 35(13): 2769-2779.
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