A pragmatic method to determine transient stability constrained with interface real power flow limits via power system scenario similarity

Xianzhuang Liu; Yong Min; Lei Chen; Xiaohua Zhang; Changyou Feng; Wei Hu

doi:10.17775/CSEEJPES.2019.01420

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A pragmatic method to determine transient stability constrained with interface real power flow limits via power system scenario similarity

Regular Papers | 更新时间：2025-12-19

- A pragmatic method to determine transient stability constrained with interface real power flow limits via power system scenario similarity
- A pragmatic method to determine transient stability constrained with interface real power flow limits via power system scenario similarity
- 中国电机工程学会电力与能源系统学报(英文) 2020年6卷第1期页码：131-141
- 作者机构：
  
  1. Department of Electrical Engineering, Tsinghua University,Beijing,China
  2. State Grid Jibei Electric Power Company,Beijing,China
  3. State Grid Corporation of China,Beijing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2019.01420
  中图分类号：
- 纸质出版：2020
- 稿件说明：
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Xianzhuang Liu, Yong Min, Lei Chen, 等. A pragmatic method to determine transient stability constrained with interface real power flow limits via power system scenario similarity[J]. 中国电机工程学会电力与能源系统学报(英文), 2020,6(1):131-141.

Xianzhuang Liu, Yong Min, Lei Chen, et al. A pragmatic method to determine transient stability constrained with interface real power flow limits via power system scenario similarity[J]. CSEE Journal of Power and Energy Systems, 2020, 6(1): 131-141.
Xianzhuang Liu, Yong Min, Lei Chen, 等. A pragmatic method to determine transient stability constrained with interface real power flow limits via power system scenario similarity[J]. 中国电机工程学会电力与能源系统学报(英文), 2020,6(1):131-141. DOI： 10.17775/CSEEJPES.2019.01420.

Xianzhuang Liu, Yong Min, Lei Chen, et al. A pragmatic method to determine transient stability constrained with interface real power flow limits via power system scenario similarity[J]. CSEE Journal of Power and Energy Systems, 2020, 6(1): 131-141. DOI： 10.17775/CSEEJPES.2019.01420.

摘要

Abstract

In practical power systems

operators generally keep interface flowing under the transient stability constrained with interface real power flow limits (TS-IRPFL) to guarantee transient stability of the system. Many methods of computing TS-IRPFL have been proposed. However

in practice

the method widely used to determine TS-IRPFL is based on selection and analysis of typical scenarios as well as scenario matching. First

typical scenarios are selected and analyzed to obtain accurate limits

then the scenario to be analyzed is matched with a certain typical scenario

whose limit is adopted as the forecast limit. In this paper

following the steps described above

a pragmatic method to determine TS-IRPFL is proposed. The proposed method utilizes data-driven tools to improve the steps of scenario selection and matching. First of all

we formulate a clear model of power system scenario similarity. Based on the similarity model

we develop a typical scenario selector by clustering and a scenario matcher by nearest neighbor algorithm. The proposed method is pragmatic because it does not change the existing procedure. Moreover

it is much more reasonable than the traditional method. Test results verify the validity of the method.

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