Neutral Current Estimation for Multi-grounded Concentric Neutral Cable System

被引：0

作者：

Yong, Jing ^{[1
]}

Yu, Kan ^{[1
]}

机构：

[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 630044, Peoples R China

来源：

2014 IEEE 16TH INTERNATIONAL CONFERENCE ON HARMONICS AND QUALITY OF POWER (ICHQP) | 2014年

关键词：

Concentric neutral cable; Load imbalance; Neutral current;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Concentric neutral cable system is a most popular practice in distribution systems of North America. Because of the special structure of this type of cable, the concentric neutral conductor serves as a current-carrying conductor and the neutral current can't be measured directly. The potential over loading of neutral conductor may result in cable over-heating. In order to understand the neutral current distribution along the cable, especially for multi-grounded neutral cable system, this paper presents a method to estimate the neutral current by the known three phase currents only. The impacts of each system parameters on the neutral current are also investigated.

引用

页码：636 / 639

页数：4

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