低压电网在1~30MHz频段的阻抗测量与特性分析Measurement and Research of Impedance Characteristics of Low Voltage Power Networks within Frequency Band from 1MHz to 30MHz
郑涛,杨晓宪,张保会
摘要(Abstract)：
在对三种典型低压电网进行连续24小时测量的基础上,讨论了使用网络分析仪测量低压电网阻抗的方法,以及阻抗随频率、时间、地点变化的特点。分析结果表明在1~30MHz频段,其阻抗值在十几欧姆到上千欧姆之间变化,总体上随频率的升高而降低;在大于20MHz频段阻抗趋于一固定值;阻抗呈感性和容性交替变化;网络阻抗受负荷性质影响较大,且具有一定的时变性。
关键词(KeyWords)： 电力网载波通信;低压配电网;信道;阻抗特性
基金项目(Foundation):
作者(Author): 郑涛,杨晓宪,张保会
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参考文献(References)：
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