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Akademický článek

Research on influencing factors of arc grounding over-voltage in mine power supply system

Autor: LIU Jucai, GENG Pulong, QU Bingni, SONG Jiancheng, LUO Chao, LI Yongxue, YUAN Leiming

Publikováno v: Gong-kuang zidonghua, Vol 43, Iss 12, Pp 58-63 (2017)

In order to comprehensively study influence factors such as grounding resistance, line resistance, fault location, grounding capacitance, interphase capacitance and arc ignition time on arc grounding over-voltage in mine power supply system, typical

Externí odkaz: https://doaj.org/article/3d66fe94ec494be3b70f40873897f9e5

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Akademický článek

Research of DC stray current in underground coal mine based on distributed parameters

Autor: ZHAO Meng, LIN Lingyan, GENG Pulong, LI Yongxue

Publikováno v: Gong-kuang zidonghua, Vol 41, Iss 6, Pp 53-57 (2015)

DC stray current is one of the major cause of gas explosion in underground coal mine, and has serious threat to the safety production of coal mine. In order to solve this problem, a distributed parameters mathematical model of DC stray current was es

Externí odkaz: https://doaj.org/article/acb66ab351be44afbafb65d14b76bb79

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Akademický článek

Detection system of stray currents in coal mine based on magnetoresistance effects

Autor: LIANG Zhiyong, REN Hongqiu, GENG Pulong, LI Yongxue, ZHAO Meng

Publikováno v: Gong-kuang zidonghua, Vol 40, Iss 11, Pp 51-55 (2014)

In view of problem that stray currents generate serious threat to safety production of coal mine, the paper proposed detection system of stray currents in coal mine based on magnetoresistance effects. It introduced detection principle of the system,

Externí odkaz: https://doaj.org/article/0703cb481daf455088502d36a0fc6d38

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