电测与仪表2017，Vol.54Issue(10)：1-6,6.
N层土壤模型下HVDC系统大地回路运行时ESP分布研究
ESP distribution analysis in HVDC system with the operation of ground return in N-layer soil model
周运鸿 1李强 2叶红枫 2山江川 2刘念1
作者信息
- 1. 四川大学 电气信息学院,成都 610065
- 2. 中核核电运行管理有限公司,浙江 海盐 314300
- 折叠
摘要
Abstract
The analysis on earth surface potential (ESP) distribution in high voltage direct current (HVDC) transmission system of operation with ground return is the premise of evaluating underground metal pipeline corrosion,transformer DC bias,communication interference and other adverse effects under the influence of ground electrode current.This paper deduces the resulting formula of ESP in N-layer soil model by using images method,the law of transmission-reflection and transmission-refraction of electromagnetic wave.After that,a practical problem of East China ESP is solved by the formula.In addition,the feedback about simulation results of different soil models of East China is made to get an ideal model.Finally,the general function expression of the East China ESP is presented by using polynomial interpolation to fit potential curve.关键词
HVDC输电/大地模型/接地极模型/地表电位分布Key words
HVDC transmission/soil model/electrode model/ESP分类
信息技术与安全科学引用本文复制引用
周运鸿,李强,叶红枫,山江川,刘念..N层土壤模型下HVDC系统大地回路运行时ESP分布研究[J].电测与仪表,2017,54(10):1-6,6.
