多直流馈入电网限制短路电流方案多目标优化

ZHOU Qinyong

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多直流馈入电网限制短路电流方案多目标优化

更新时间：2025-08-13

- 多直流馈入电网限制短路电流方案多目标优化
- Automation of Electric Power Systems Vol. 39, Issue 3, Pages: 140-145(2015)
- 作者机构：
  
  电网智能化调度与控制教育部重点实验室(山东大学),山东省,济南市,250061
- 作者简介：
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- Published：2015
- 稿件说明：
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ZHOU Qinyong. [J]. Automation of electric power systems, 2015, 39(3): 140-145.
DOI：

ZHOU Qinyong. [J]. Automation of electric power systems, 2015, 39(3): 140-145. DOI：

摘要

基于多直流馈入短路比，分析了限制短路电流措施对多馈入短路比影响，提出了能反映多直流馈入受端电压支撑能力、限制短路电流方案的经济性和控制效果的目标函数，构建了多直流馈入电网限制短路电流方案优化的数学模型。通过支路筛选策略进行决策变量降维，采用快速非支配排序遗传算法（NSGA-Ⅱ）进行多目标优化，找出Pareto最优的限制短路电流方案。通过实际电网的仿真结果表明所提出的方法具有较好的适用性，能满足电网规划要求。

Abstract

Based on the multi-infeed short circuit ratio，the influence on multi-infeed short circuit ratio caused by current limiting measures is analyzed

and a mathematical model of multi-objective optimization for short-circuit current limitation schemes is developed. The objective functions considering the voltage support ability

the costs of limitation schemes and short-circuit capacity margin are presented. The procedure of optimizing short-circuit current limitation schemes in multi-infeed DC systems is presented as follows. Firstly

using a branch screening strategy to reduce the dimensions of the decision variables. Then

the nondominant sorting genetic algorithm Ⅱ is used to find the Pareto optimal solutions. Simulation results of actual power grid planning show that the model proposed has good applicability.

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