煤矿井下馈电开关选择性漏电保护研究

Study on Selective Leakage Protection of Feeder Switches in Coal Mine

在结合实践经验的基础上,分析了煤矿漏电保护的重要性,提出了当前馈电开关选择性漏电保护系统中存在的问题,并以此为依据重点研究了新型的馈电开关漏电保护系统与相关的硬件与软件设计的相关内容和设计过程。以PLC为核心的井下智能馈电开关选择性漏电保护系统实现了对低压电网的选择型漏电保护工作,提升了井下生产的安全性。

Based on the practical experience, this paper analyzes the importance of coal leakage protection, puts forward the current existing switch selective leakage protection system, and on the basis of focus on the switch leakage protection system model and the hardware and software related design content and design process of the selective leakage protection system in underground. Intelligent feeder switch with PLC as the core to achieve the selection of low-voltage power grid leakage protection work, enhance the safety of mine production.