井下低压电网智能化综合保护系统的研究

Study on Intelligent Comprehensive Protective System for Underground Low-voltage Distribution Networks

在分析目前综合保护系统存在的问题的基础上，设计了一种新型的智能化保护系统，重点分析了系统的基本保护原理，介绍了硬件和软件框图。现场运行表明该保护系统性能稳定，动作可靠，具有重要的应用价值。

On the basis of analyzing the problem existing in the current comprehensive protective systems of underground LV switch gears, this paper proposes a novel intelligent comprehensive protective system. The operating principle is emphatically discussed, and hardware structure & software block diagrams are introduced as well. The field experience shows that the protective system has good stability and reliability, and will be of great applied value in mining industry.