宋雨妍;王渝红;刘天宇;李瑾;张文韬;

• 1:四川大学电气信息学院

摘要(Abstract)：

电容隔直装置可能造成区域电网内变压器中性点直流电流增大。该文提出了一种多目标离散粒子群优化算法,从全局角度对电容隔直装置进行了优化配置。首先分析了高压直流输电系统入地电流引起的交流系统中直流电流的流通路径,并搭建了等效场路耦合模型,可采用有限元法求解。其次建立以各变压器中性点直流电流不超限值为约束条件,以电容隔直装置投入数量和电网内变压器中性点直流电流绝对含量总和最小为优化目标的电容隔直装置优化模型。最后,通过引入变异环节及粒子更新策略,求解多目标优化问题的Pareto最优前沿,获得了优化函数对应的最优解,可确定隔直装置配置的最佳方案。

关键词(KeyWords)： 粒子群算法;多目标优化;直流偏磁;电容隔直装置;离散算法

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 宋雨妍;王渝红;刘天宇;李瑾;张文韬;

Email:

DOI: 10.13335/j.1000-3673.pst.2017.2871

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