1. Chensilou Coal Mine of Yongcheng Cole Electric Group，Yongcheng 476600，China; 2.Yongcheng Senior Middle School of Henan Province，Yongcheng 476600，China
Based on traditional substation power supply form in mining area form, the importance of combination switch in the substation in underground mining was put forward, the practical application was got in the actual production, and the principle, technical features and performance advantages of combination switch structure were studied and analyzed, which has important practical significance for the modernization of coal mine safety and reliability of the power supply.
张 豪，尹长兵，王燕丽，黄凤英. 组合开关在煤矿井下采区变电所的实践与应用[J]. 煤炭与化工, 2015, 38(3): 109-111.
ZHANG Hao,YIN Chang-bing,WANG Yan-li,HUANG Feng-ying. The Practice and Application of Combination Switch in Mining Area Substation. CCI, 2015, 38(3): 109-111.
