三相负载实验中两种日光灯负载中线电流的差别及分析  

Analysis and calculation of load current in neutral conductor of two kinds of daylight lamps in three-phase load experiment

作　　者：张启林[1] 

机构地区：[1]张家口师范专科学校物理系,河北张家口075028

出　　处：《物理实验》2001年第5期16-18,共3页Physics Experimentation

摘　　要：通过对三相对称节能灯负载中线电流波形的测试分析 ,指出两种负载情况下中线电流不同的原因 .通过对相电流及中线电流的计算 ,给出了二者的关系式 ,为选择中线提供了理论依据 .Through testing and analyzing load current waveform in neutral conductor of three phase symmetry energy saving lamp,the paper points out the causes of different current in neutral conductor of two kinds of loads,and by calculating phase current and current in neutral conductor,the relational expression of the two currents is given.It provides the theoretical basis for deciding on neutral conductor.

关 键 词：三相对称 三相四线制 电子节能灯 负载 相电流 实验 日光灯 中线选择 测试分析 中线电流波形 

分 类 号：TM923.321[电气工程—电力电子与电力传动] TM133－45