Design of a mine-used low-voltage leakage protection device

In view of low reliability of leakage protection device of coal mine low-voltage power grid based on line selection principle of zero-sequence power direction, a hardware and software design scheme of mine-used low-voltage leakage protection device was given. Fault line selection is realized accordi...

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Bibliographic Details
Main Authors: ZHENG Qingle, RONG Xiang, YANG Fan, LI Rui
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2020-02-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.17505