Generation method of calculation strategies for annual power grid operating-mode with full-scenario boundary coverage

CHEN Xi; YU Juan; WU Fuping; YU Jianshu; LONG Feiyang; YANG Zhifang; LI Wenyuan

doi:10.11930/j.issn.1004-9649.202607111

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Generation method of calculation strategies for annual power grid operating-mode with full-scenario boundary coverage

更新时间：2026-10-14

- Generation method of calculation strategies for annual power grid operating-mode with full-scenario boundary coverage
- Vol. 59, Issue 9, Pages: 276-288(2026)
- 作者机构：
  
  1. 输变电装备技术全国重点实验室（重庆大学）
  2. 国网重庆市电力公司电力科学研究院,重庆,401121
- 作者简介：
- 基金信息：
  
  This work is supported by Science and Technology Project of SGCC (No.52200026001H-044-ZN)
- DOI：10.11930/j.issn.1004-9649.202607111
  CLC：
- Published：2026
- 稿件说明：
移动端阅览
陈曦, 余娟, 伍福平, 等. 面向全量边界覆盖的年度电网运行方式计算策略生成方法[J]. 中国电力, 2026, 59(9): 276−288.

CHEN Xi, YU Juan, WU Fuping, et al. Generation method of calculation strategies for annual power grid operating-mode with full-scenario boundary coverage[J]. 2026, 59(9): 276-288.
陈曦, 余娟, 伍福平, 等. 面向全量边界覆盖的年度电网运行方式计算策略生成方法[J]. 中国电力, 2026, 59(9): 276−288. DOI： 10.11930/j.issn.1004-9649.202607111

CHEN Xi, YU Juan, WU Fuping, et al. Generation method of calculation strategies for annual power grid operating-mode with full-scenario boundary coverage[J]. 2026, 59(9): 276-288. DOI： 10.11930/j.issn.1004-9649.202607111.

摘要

近年来，源-网-荷-储-市场多元耦合使年度电网运行方式计算场景呈“组合爆炸”态势。现有方式计算流程依赖人工断点式衔接，易造成边界覆盖不足与流程反复迭代。为此，提出面向全量边界覆盖的年度电网运行方式计算策略生成方法。首先，构建计算策略生成的总体框架，实现全流程自动生成；其次，提出概率与风险协同的候选场景生成方法，筛选值得计算的边界组合；然后，提出基于火电投运容量分组的运行方式计算策略，搜索接近支路热稳定限额的共同开机方式；最后，通过改进IEEE 39节点系统算例分析表明，所提方法能够自动从海量场景中确定计算对象并识别最具越限风险的运行方式，为年度电网运行方式计算由人工经验驱动向自动化转变提供技术支撑。

Abstract

In recent years

the multi-dimensional coupling of source-grid-load-storage-market has caused a combinatorial explosion of calculation scenarios for annual power-grid operating-modes. Existing operation-mode calculation procedures rely on manual breakpoint-based connection

which tends to result in insufficient boundary coverage and repeated iterations. To address these issues

a generation method of calculation strategy for annual power grid operating-mode with full-scenario boundary coverage is proposed. Firstly

an overall framework is established to automate the entire strategy-generation process. Secondly

a candidate-scenario generation method coordinating probability and risk is developed to select boundary combinations worthy of calculation. Thirdly

an operating-mode calculation strategy based on grouping of in-service thermal-power capacity is proposed to search for combined unit start-up modes approaching branch thermal-stability limits. Finally

case studies on the modified IEEE 39-bus system demonstrate that the proposed method can automatically determine calculation targets from massive scenarios and identify operating modes with the highest limit-violation risk

providing a technical support for the transformation of annual power-grid operating-mode calculation from manual-experience-driven mode to automatic mode.

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