基于置信容量的风场配套储能容量优化配置

doi:10.19595/j.cnki.1000-6753.tces.220939

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摘要风力发电具有随机性和波动性,给大规模利用风力资源造成诸多困难。通过配置储能设备可以平滑风电场功率输出,使风电场可以替代火电或供应电网负荷。首先,该文基于风资源特性定义了风电场的火电替代容量和负荷供应容量,这两个指标反映了风电场稳定输出功率或供应负荷的能力;其次,根据风资源数据和置信要求,可以通过混合整数线性规划求解火电替代容量和负荷供应容量;最后,根据风电场火电替代容量和负荷供应容量的具体需求,进一步构建了储能MW/(MW∙h)参数的优化配置方法,该方法通过计算储能参数可行域边界,再根据储能成本系数确定最优配置方案的范围。算例选用广东省风力发电历史数据,采用该文方法可以快速确定储能最优参数配置,同时兼顾配置的经济性及供电平稳性、可靠性。

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	陆秋瑜
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	刘洋

关键词 ：风力发电, 火电替代容量, 负荷供应容量, 储能设备, 容量配置

Abstract：Wind power generation has the characteristics of random fluctuation and intermittence. The energy storage equipment can be used to smooth the output of the wind farm, which can replace thermal power plants and provide a reliable load supply for the grid. Firstly, based on the wind resource characteristics, we define the thermal power replacement capacity and load supply capacity of wind farms, which reflect the ability of wind farms to output smoothly and supply loads reliably. Given wind resource data and confidence probability requirements, thermal power replacement capacity and load supply capacity can be solved by mixed integer linear programming. According to the requirements of the thermal power replacement capacity and load supply capacity, we construct an optimal configuration method for MW/(MW·h) parameters of the energy storage. This method calculates the boundary of the parameter feasible region and then determines the range of optimal parameter configuration according to the energy storage cost coefficient. In the case study, the historical data of wind farms in Guangdong province is used. It shows that our method can determine the optimal parameter configuration of energy storage quickly, while taking into account the economy and the reliability and stability of the power supply.

Key words： Wind power generation thermal power replacement capacity load supply capacity energy storage equipment capacity configuration

收稿日期: 2022-05-30

PACS:

TM715

基金资助:南方电网公司科技资助项目（03600KK52200049(GDKJXM20201978)）

通讯作者: 马千里男,1998年生,博士,研究方向为电力系统优化调度与控制。E-mail：mql19@mails.tsinghua.edu.cn

作者简介: 陆秋瑜女,1989年生,高级工程师,研究方向为新能源电力系统运行调控。E-mail：luqiuyu22@126.com

引用本文:

陆秋瑜, 马千里, 魏韡, 于珍, 刘洋. 基于置信容量的风场配套储能容量优化配置[J]. 电工技术学报, 2022, 37(23): 5901-5910. Lu Qiuyu, Ma Qianli, Wei Wei, Yu Zhen, Liu Yang. Optimal Configuration of Energy Storage Parameters Based on Confidence Capacity of Wind Farms. Transactions of China Electrotechnical Society, 2022, 37(23): 5901-5910.

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