Issue |
MATEC Web Conf.
Volume 160, 2018
International Conference on Electrical Engineering, Control and Robotics (EECR 2018)
|
|
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Article Number | 01009 | |
Number of page(s) | 6 | |
Section | Electronic and Electrical Engineering | |
DOI | https://doi.org/10.1051/matecconf/201816001009 | |
Published online | 09 April 2018 |
SLG(Single-Line-to-Ground) Fault Location in NUGS(Neutral Un-effectively Grounded System)
1
State Grid Sichuan Maintenance Company, Chengdu, Sichuan Province, China
2
Sichuan Electric Power Design & Consulting Co,. Ltd., Chengdu, Sichuan Province, China
This paper reviews the SLG(Single-Line-to-Ground) fault location methods in NUGS(Neutral Un-effectively Grounded System), including ungrounded system, resonant grounded system and high-resistance grounded system which are widely used in Northern Europe and China. This type of fault is hard to detect and location because fault current is the sum of capacitance current of the system which is always small(about tens of amperes). The characteristics of SLG fault in NUGS and the fault location methods are introduced in the paper.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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