对三相四线制供电系统中性点电位偏移的研究  

Study on Potential Deviation of Nentral Point in Power-supply System of Three-phase Four-wire System

作　　者：罗明[1] 

机构地区：[1]武汉化工学院电气信息学院,武汉430073

出　　处：《电气开关》2003年第3期36-37,41,共3页Electric Switchgear

摘　　要：介绍了三相四线制供电系统中线阻抗及三相负载变化对中性点电位偏移的影响 ,从理论上对偏移产生的原因作了分析 ,运用 ORCAD/ PSPICE 9对三相四线制供电系统中性点电位偏移进行了仿真研究 。The paper presents the effect neutral wire impedace in the power-supply system of three-phase four-wire system and three-phase load change on potential deviation of neutral point,carries out analysis of the reason of the deviation theoretically.By ORCAD/PSPICE9,artificial research is carried out for the potential deviation of neutral point of the power-supply system of three-phase four wire system and puts forward the matters that should be taken care of in practical use.

关 键 词：三相四线制供电系统 中性点电位偏移 仿真 ORCAD PSPICE9 电网 

分 类 号：TM721.2[电气工程—电力系统及自动化] TM743