综放工作面供电方案.docVIP

中国矿业大学银川学院 201届本科毕业设计（论文） 题 所 在 系 机电动力与信息工程系 专业班级 姓名 安丽娜 指导教师 教务处制四股泉大型综采采区工作面供电设计 The power supply design for Siguquan large fully mechanized working face. 摘 要 本设计是针对四股泉煤矿大型综采采区工作面进行供电设计，通过选用的配套机械设备，对采煤方法，巷道布置以及采区变压器设备容量的计算等的采区供电系统设备的布置方案和设计，以保证综采设备能够正常地投入运行。 由于煤矿综采采区的生产规模渐渐地扩大，供电系统设计也要随着改变，为了满足煤矿采区工作面生产的供电设备的需求，必须对所需的设备和线路进行微小的改进设计，对采区的安全性、可靠性的提高。因此，本设计阐述了采区供电系统中各用电设备的选型，其负荷计算过程以及校验和整定，如变压器、电缆、开关的选择等，煤矿用电气设备及电缆的选择原则，供配电系统各种装备的保护装置等。 关键词：变压器、电缆、开关、系统装备的保护、电气设备 Abstract This paper is designed for power supply for large-scale mechanized mining working face of Si Gu Quan coal mine, by the selection of supporting machinery and equipment, mining method, roadway layout design, mining area transformer capacity computing and the plan and design of power supply system of the mining area and equipment, in order to ensure the mechanized mining equipment in normal operation. Because of the scale of production fully mechanized mining gradually expanding, the design of the power supply system should be changed with it.In order to meet the needs of the power supply equipment of coal mining working face,the required equipment and line must be a slight improvement design,to increased the security and reliability of the mining area.So this paper expound the selection,checkout and load calculation process of all the electrical equipment in minning area.Such as selection of transformers, cables and switch.The selection principle of electrical equipment and line for coal mine and the protection device for power supply system equipment. Keywords: transformers, cables, switches, system protection, electrical equipment 目录 绪论 ....................................................1 1 综采采区工作面的概述 ...................................2 1.1 综采工作面的位置及基本参数 ...........................2 1.2 工作面负荷统计 .......................................2 1.3 工作面供电的基本要求 .................................2 2 采区变电所的变压器选择 ................................ · 绪论 随着