基于带电有效系数的空载电流选取方法研究  

Research of No-load Current Selection Method Based on Electrification Effective Coefficient

作　　者：高敬贝[1] 李群湛[1] 李茂亮[1] 叶润潮[1] 

机构地区：[1]西南交通大学电气工程学院

出　　处：《电气化铁道》2012年第4期11-14,共4页Electric Railway

摘　　要：提出了一种基于带电有效系数继而得到牵引动力负荷空载时供电臂电流大小的方法,推导得出离散数据中带电有效系数与牵引动力负荷空载时供电臂电流取值的计算关系,并进行电能质量分析。通过实际算例中功率因数、谐波电流含有率指标表明,依该电流去除空载时刻测量数据,能够做出更客观的牵引负荷电能质量评价。In this premise, the method of no-load current value selection based on charged effective coefficient was raised. The calculation formula of the relationship between charged effective coefficient and no-load current value was deduced from the discrete data. The index of the power factor and harmonic current rate from the actual example showed that using this method, the objective evaluation of the traction＇s load power quality can be received

关 键 词：牵引供电系统 电能质量 带电有效系数 空载电流 

分 类 号：U223.52[交通运输工程—道路与铁道工程]