Research on Comprehensive Optimal Allocation Method of Short-circuit Current Suppression Measures Considering Safety-performance-cost

WU Kecheng; WU Yaxiong; CHEN Zhuo

doi:10.13296/j.1001-1609.hva.2025.05.029

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Research on Comprehensive Optimal Allocation Method of Short-circuit Current Suppression Measures Considering Safety-performance-cost

The Key Technologies for Energy Conservation and Carbon Reduction in New Power Systems | 更新时间：2025-05-25

- Research on Comprehensive Optimal Allocation Method of Short-circuit Current Suppression Measures Considering Safety-performance-cost
- High Voltage Apparatus Vol. 61, Issue 5, Pages: 279-290(2025)
- 作者机构：
  
  1.中国南方电网有限责任公司，广州　 510623
  2.广州电力设计院有限公司，广州　 510623
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2025.05.029
  CLC：
- Received：08 November 2024，
  
  Revised：21 January 2025，
  
  Published：16 May 2025
- 稿件说明：
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WU Kecheng, WU Yaxiong, CHEN Zhuo. Research on Comprehensive Optimal Allocation Method of Short-circuit Current Suppression Measures Considering Safety-performance-cost[J]. High voltage apparatus, 2025, 61(5): 279-290.
DOI：

WU Kecheng, WU Yaxiong, CHEN Zhuo. Research on Comprehensive Optimal Allocation Method of Short-circuit Current Suppression Measures Considering Safety-performance-cost[J]. High voltage apparatus, 2025, 61(5): 279-290. DOI： 10.13296/j.1001-1609.hva.2025.05.029.

摘要

随着受端电网规模日益庞大，网架之间电气联系更加紧密，导致短路电流水平不断攀升，如何采取合理的短路电流治理措施以有效限制短路电流是目前亟需解决的重要问题。针对该问题，文中提出了一种考虑安全、效能、成本

SEC

（safety efficiency cost）的短路电流抑制措施综合优化配置方法。首先，利用序优化算法求解

SEC

粗糙模型，解得限流措施综合优化配置方案待选集合，进一步的通过精确模型得到Pareto非支配解集；进而利用

SEC

归一化指标评估得到最优限流措施优化配置方案；最后，通过对最优限流措施优化配置方案下电网的短路电流水平与暂态电压稳定性进行分析，证明了最优方案的可行性。基于湖南某地区实际电网算例，验证了所提限流措施综合优化配置方法应用于实际电网的有效性与合理性。

Abstract

With the increasing scale of the receiving-end power grid and the closer electrical connection between the grids

causing continuous rise of short-circuit current

how to take reasonable short-circuit current control measures to effectively limit the short-circuit current is an important issue that needs to be solved urgently at present. Aiming at this problem

a kind of comprehensive optimization configuration method of short-circuit current suppression measures considering safety

efficiency and cost (

SEC

). Firstly

the

SEC

rough model is solved by the order optimization algorithm to obtain the candidate set of the comprehensive optimization allocation scheme of the current limiting measures

and the Pareto non-dominated solution set is further obtained by the accurate model. Then

the optimal allocation scheme of current limiting measures is obtained by using

SEC

normalized index evaluation. Finally

the feasibility of the optimal scheme is proved by analyzing the short-circuit current and transient voltage stability of the power grid under the optimal allocation scheme of the optimal current limiting measures. Based on the actual power grid

example in a certain area of Hunan province

the effectiveness and rationality of the proposed comprehensive optimal allocation method of current limiting measures applied to the actual power grid are verified.

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