高速铁路变电所牵引电流回流指标研究

A Research on Reflux Indicator of Traction Current of HSR Traction Substation

利用近年来高速铁路联调联试获取的大量检测数据,开展高速铁路牵引变电所牵引回流分配指标的研究。确定牵引变电所地网回流比例和贯通地线回流比例2个考核参数,对其以往测试数据进行数理统计分析和计算,得出适用于高速铁路牵引变电所牵引回流质量的判定依据,填补了联调联试中变电所牵引回流领域判定依据的空白,为综合接地系统的联调联试、动态验收和工程整改提供参考。

Based on huge inspection data acquired from integration testing and commissioning for high speed railways over recent years, the research on reflux distribution indicator of HSR traction substation has been rolled out and two evaluation parameters are determined, namely, reflux ratio of earthing network and reflux ratio of through earth wire. After mathematical statistics and computation of the inspected data of these two parameters, the assessment foundation for reflux quality of HSR traction substation has been concluded, which fills in gapes of assessing reflux quality of traction substation during integration testing and commissioning and provides references for the integration testing and commissioning, dynamic acceptance and engineering rectification of the integrated grounding system.