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本文首先介绍了新建兰渝铁路六标段花石入口隧道用电出现的问题,并对问题进行分析,并且找到用电故障的原因;通过设计花石隧道的高压进洞系统,通过加设高压电缆,配设变压器和配电箱,解决了现场电压不足,机器无法启动的问题,并且通过灵活的应用已有的变电设施和漏保装备因地制宜的完善了一个安全稳定高效的隧道内用电系统系统,并取得了良好的实践效果;可以为为类似工程提供施工经验和借鉴。
This article first introduced the new Lanzhou-Chongqing railway six ten section stone entry tunnel electricity problems, and to analyze the problem, and find the cause of the electricity failure; through the design Huaxie tunnel high pressure hole system, by adding high-voltage cables, Equipped with transformers and distribution boxes to solve the problem of lack of voltage on site, the machine can not start the problem, and through the flexible application of the existing substation facilities and leakage protection equipment perfected a safe, stable and efficient tunnel power system , And has achieved good practical results; can provide construction experience and reference for similar projects.