中小煤矿中性点接地势在必行山西省煤炭厅韩光跃，张敏，武建森０概述随着我国煤炭工业的较快发展，中小煤矿在生产中占着举足轻重的地位。然而大部分中小煤矿由于仓促上马，资金不足，安全欠帐较大，其中一个普遍存在的安全隐患就是井上、井下共用一台中性点直接接地的变... Neutral grounding of small and medium-sized coal mines is imperative Shanxi Coal Department Han Guangyue, Zhang Min, Wu Jiansen 0 Overview With the rapid development of China’s coal industry, small and medium-sized coal mines in the production plays a decisive role. However, most of the small and medium-sized mines due to the hasty launch, lack of funds, large security arrears, one of the prevailing security risks is Inoue, downhole share a neutral point directly grounded ...