具有快速爬坡单元的多阶段鲁棒单元承诺的部分仿射策略

IF 6.9 2区工程技术 Q2 ENERGY & FUELS

CSEE Journal of Power and Energy Systems Pub Date : 2024-09-19 DOI:10.17775/CSEEJPES.2023.08300

Zhongjie Guo;Jiayu Bai;Wei Wei;Shengwei Mei;Weihao Hu

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引用次数: 0

摘要

多阶段鲁棒机组承诺是电力系统运行中的重要决策问题。仿射策略有助于解决问题，但它牺牲了灵活性。这封信提出了一个部分仿射策略的MRU C问题与快速斜坡单元；该策略仅对耦合变量施加仿射关系，其余变量在实时调度中进行优化。因此，快速斜坡单元的实时灵活性得以保留。采用该方法，具有部分仿射策略的MRU C问题成为一个特殊的两阶段自适应鲁棒优化问题。数值试验表明，与仿射策略相比，所提出的部分仿射策略显著降低了调度的保守性，提高了调度的经济性和灵活性。

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Partially Affine Policy for Multistage Robust Unit Commitment with Fast-Ramping Units

Multistage robust unit commitment (MRUC) is an important decision-making problem in power system operations. The affine policy facilitates problem-solving, but it compromises flexibility. This letter proposes a partially affine policy for MRU C problem with fast-ramping units; this policy imposes affine relations to coupling variables only and leaves the remaining variables to be optimized in the real-time dispatch. As a result, the real-time flexibility of fast-ramping units is retained. By adopting this approach, MRU C with a partially affine policy becomes a special two-stage adaptive robust optimization problem. Numerical tests verify that the proposed partially affine policy significantly reduces the conservativeness compared with affine policy, improving the dispatch economy and flexibility.

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来源期刊

CSEE Journal of Power and Energy Systems Energy-Energy (all)

CiteScore

11.80

自引率

12.70%

发文量

389

审稿时长

26 weeks

期刊介绍： The CSEE Journal of Power and Energy Systems (JPES) is an international bimonthly journal published by the Chinese Society for Electrical Engineering (CSEE) in collaboration with CEPRI (China Electric Power Research Institute) and IEEE (The Institute of Electrical and Electronics Engineers) Inc. Indexed by SCI, Scopus, INSPEC, CSAD (Chinese Science Abstracts Database), DOAJ, and ProQuest, it serves as a platform for reporting cutting-edge theories, methods, technologies, and applications shaping the development of power systems in energy transition. The journal offers authors an international platform to enhance the reach and impact of their contributions.