煤矿综采工作面供电系统电气设计

Electrical Design of Power Supply System in Fully Mechanized Coal Mining Face

为确保伯方煤矿井下综采工作面供电系统的安全稳定运行,分析了供电系统设计问题及趋势,并在综采工作面电力设备统计和负载计算的基础上,进行了移动变电站型号选择,确定了系统的供电方式。在完成电缆型号选择、继电保护整定和灵敏度校验的基础上,完成了接地系统设计,对提高供电系统可靠性、完善综采工作面供电系统设计具有一定的借鉴意义。

In order to ensure the safe and stable operation of the power supply system of the underground fully mechanized coal mining face in Baifang Coal Mine,this paper analyzed the design problems and trends of the power supply system,made the mobile substation model selection and determined the power supply mode of the system on the basis of the power equipment statistics and load calculation of the fully mechanized mining face.On the basis of completing the cable model selection,relay protection setting and sensitivity verification,the grounding system design was completed,which has certain reference significance for improving the reliability of the power supply system and perfecting the design of the power supply system of the fully mechanized mining face.