源荷两端不确定性的跨区系统运行策略研究

doi:10.19912/j.0254-0096.tynxb.2020-1325

太阳能学报 ›› 2022, Vol. 43 ›› Issue (8): 8-16.DOI: 10.19912/j.0254-0096.tynxb.2020-1325

源荷两端不确定性的跨区系统运行策略研究

闫斯哲, 王维庆, 王海云, 武家辉, 李笑竹, 戚元星

新疆大学可再生能源发电与并网控制教育部工程研究中心,乌鲁木齐 830047

收稿日期:2020-12-08 出版日期:2022-08-28 发布日期:2023-02-28
通讯作者: 王维庆（1959—）,男,硕士、教授,博士生导师,主要从事电力系统自动化和风电机组智能控制方面的研究。wwq59@xju.edu.cn
基金资助:
新疆维吾尔自治区重点实验室开放课题（2018D04005）; 国家自然科学基金（52067020）; 新疆维吾尔自治区教育厅重点项目（XJEDU2019I009）

RESEARCH ON OPERATION STRATEGY OF CROSS REGIONAL SYSTEM WITH UNCERTAINTY AT BOTH ENDS OF POWER SUPPLY AND LOAD

Yan Sizhe, Wang Weiqing, Wang Haiyun, Wu Jiahui, Li Xiaozhu, Qi Yuanxing

Engineering Research Center of Education Ministry for Renewable Energy power Generation and Grid Connection,Xinjiang University, Urumqi 830047, China

Received:2020-12-08 Online:2022-08-28 Published:2023-02-28

摘要/Abstract

摘要： 针对传统跨区互联导致的源端可再生能源无法消纳而引起的大规模弃风弃光现象,建立一个计及源荷两端不确定性的动态环境经济跨区调度模型。该模型考虑各区域的发电成本及污染气体排放成本,将联络线作为可调资源,在保证各区域安全稳定运行的前提下,利用概率密度函数描述发、用电功率的不确定性,使模型更贴合实际生产。同时针对模型特点,提出基于滤子技术的自适应蝴蝶算法对其进行求解。算例仿真结果表明：当可再生能源渗透率达到40%时,较小的柔性负荷占比对系统调度成本影响显著,且也能显著改善污染排放;研究结果兼顾调度成本最小的同时减少污染排放,具有一定理论指导意义。

关键词: 电力系统互联, 成本降低, 自适应算法, 多区域

Abstract: Aiming at the phenomenon of large-scale wind and light abandoning caused by the traditional cross-regional interconnection, a dynamic environmental economic cross-regional dispatch model that takes into account the uncertainties at both ends of the source and load is established. This model takes the tie line as an adjustable resource and considers the cost of power generation and pollutant gas emission in each region on the premise of ensuring the safe and stable operation of each region, and uses probability density function to fit renewable energy and load, solves the uncertainty problem at both ends of source and load, so as to make the model more close to the actual production. According to the characteristics of the model, an adaptive butterfly algorithm based on filter technology is proposed to solve it. The simulation results show that when the penetration rate of renewable energy reaches 40%, the relatively small flexible load has a significant impact on the system scheduling cost, and pollution emission is also significantly improved. The research results have certain theoretical guiding significance, taking into account the minimum scheduling cost and reducing pollution emissions at the same time.

Key words: electric power system interconnection, cost reduction, adaptive algorithms, multiple zones

中图分类号:

TM734

闫斯哲, 王维庆, 王海云, 武家辉, 李笑竹, 戚元星. 源荷两端不确定性的跨区系统运行策略研究[J]. 太阳能学报, 2022, 43(8): 8-16.

Yan Sizhe, Wang Weiqing, Wang Haiyun, Wu Jiahui, Li Xiaozhu, Qi Yuanxing. RESEARCH ON OPERATION STRATEGY OF CROSS REGIONAL SYSTEM WITH UNCERTAINTY AT BOTH ENDS OF POWER SUPPLY AND LOAD[J]. Acta Energiae Solaris Sinica, 2022, 43(8): 8-16.

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源荷两端不确定性的跨区系统运行策略研究

RESEARCH ON OPERATION STRATEGY OF CROSS REGIONAL SYSTEM WITH UNCERTAINTY AT BOTH ENDS OF POWER SUPPLY AND LOAD

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