Distributionally robust unit commitment with an adjustable uncertainty set and dynamic demand response

被引：6
|
作者：
Qing, Ke [1 ]
Huang, Qi [1 ,2 ]
Du, Yuefang [1 ]
Jiang, Lin [3 ]
Bamisile, Olusola [2 ]
Hu, Weihao [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sichuan Prov Key Lab Power Syst Wide area Measurem, Chengdu, Peoples R China
[2] Chengdu Univ Technol, Coll Nucl Technol & Automation Engn, Chengdu, Peoples R China
[3] Univ Liverpool, Dept Elect Engn & Elect, Liverpool, England
来源：
ENERGY | 2023年 / 262卷
基金：
中国国家自然科学基金;
关键词：
Adjustable uncertainty set; Demand response; Unit commitment; Renewable energy; Dynamic scheduling; WIND POWER; SECURITY; ELECTRICITY; GENERATION; RISK;
D O I：
10.1016/j.energy.2022.125434
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
To address the uncertainty of renewable energy in unit commitment, an adjustable uncertainty set of renewable energy is introduced and unit commitment is scheduled to guarantee the safe operation of the power system in this set. However, the operational risk arises when renewable energy falls out of the adjustable uncertainty set and this risk should be evaluated to determine the adjustable uncertainty set. In this paper, a distributionally robust optimization approach is proposed to calculate the risks of load shedding and renewable energy curtailment at the lower and upper bounds of the adjustable uncertainty set. After the evaluation of the operational risk, the day-ahead unit commitment with the adjustable uncertainty set is determined together with the demand response reserve in the reduction of the operational risk. In real time, the dynamic demand response is proposed to further reduce the operational risk. The proposed distributionally robust method with the dynamic demand response for dealing with the uncertainty of renewable energy is verified on the IEEE 6-bus, 30-bus, and 118-bus systems. Simulation results show that the proposed method reduces the cost of the unit commitment and the operational risk.
引用
收藏
页数：13
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