Simulation analysis on the problem of zero sequence circular current in the same tower double circuit transmission lines in Ningxia Power Grid.

ZHANG Shuang; LIU Baozhu; TIAN Bei; HUANG Yongning

doi:10.3969/j.issn.1672-3643.2012.05.003

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Simulation analysis on the problem of zero sequence circular current in the same tower double circuit transmission lines in Ningxia Power Grid.

更新时间：2025-09-24

- Simulation analysis on the problem of zero sequence circular current in the same tower double circuit transmission lines in Ningxia Power Grid.
- Ningxia Electric Power Issue 5, (2012)
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- DOI：10.3969/j.issn.1672-3643.2012.05.003
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- Published Online：10 November 2020，
  
  Published：2012
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ZHANG Shuang, LIU Baozhu, TIAN Bei, et al. Simulation analysis on the problem of zero sequence circular current in the same tower double circuit transmission lines in Ningxia Power Grid.[J]. Ningxia electric power, 2012, (5).
DOI：

ZHANG Shuang, LIU Baozhu, TIAN Bei, et al. Simulation analysis on the problem of zero sequence circular current in the same tower double circuit transmission lines in Ningxia Power Grid.[J]. Ningxia electric power, 2012, (5). DOI： 10.3969/j.issn.1672-3643.2012.05.003.

摘要

为解决宁夏电网同塔双回线路存在的零序环流问题

采用电力系统全数字实时仿真方法

对同塔双回线路零序环流进行仿真分析

结果表明:同塔双回不换位导线内零序环流大小与相序布置方式有关

通过改变相序布置可减小零序环流幅值。

Abstract

In order to solve the problem of zero sequence circular current in the same tower doublecircuit transmission lines in Ningxia Power Grid

adopts the whole digital real time simulation methodto make simulation analysis. The results show that the size of zero sequence circular current is relatedto the layout mode of the phase sequence inside the same tower double circuit untransposedtransmission lines

through changing phase layout can reduce the amplitude value of zero sequence cir?cular current.

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