燎原煤矿井下供电设计.doc
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- 关 键 词:
- 燎原 煤矿 井下 供电 设计
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1、 摘 要供电系统在煤矿生产中起着重要的作用,是煤矿企业安全正常生产的基础。由于井下环境的特殊性,煤矿井下供电尤其重要,这样就对供电系统提出更高的要求。本文根据在内蒙古煤炭科学研究院的毕业实习过程中搜集的燎原煤矿矿井的基本资料,结合所学专业知识,对该煤矿的井下供电系统进行了设计。论文首先分析了燎原煤矿井下的负荷情况,制定了煤矿井下供电系统的设计方案。依据方案确定出主接线形式,进行了供电系统短路计算,针对煤矿井下的特殊要求进行了移动变电站、高压防爆开关、电缆及相关电器设备的选型,并给出相关的保护配置。利用短路计算进行了设备效验和保护整定。论文给出了燎原煤矿井下供电系统的完整设计,同时为其它煤矿井下
2、供电系统综合配套技术提供了经验参考。关键词:井下供电设计 ;负荷计算 ;设备选型 ;短路计算ABSTRACTPower supply system plays an important role in production of coal mine; it is the basis of safety and normal production of coal enterprises. Due to the particularity of underground environment of coal mine, underground power supply is especially
3、important, this put forward higher requirements for power supply system. The design is based on the basic data collection process in the Coal Science Research Institute of Inner Mongolia by graduation practice in Liaoyuan, Fort No. two mine, combined with the professional knowledge, carries on the p
4、reliminary design of the underground power supply system.The paper first analyzes the load conditions of the Liaoyuan, Fort No. two mine, the design scheme of power supply system of underground coal mine. According to the scheme to determine the main wiring forms, the calculation of short circuit po
5、wer supply system, according to the special requirements of mine mobile substation, the selection of high-voltage switch, cable and electrical equipment, and gives the related protection configuration. The use of short-circuit calculation of the device efficacy and protection setting.Paper gives Lia
6、oyuan, Fort No. two mine, in complete underground power supply system design, as well as other coal mine power system technology provides a comprehensive experience for reference.Keywords: Underground power supply design; Load calculation; Equipment Selection; Short-circuit calculation 目 录1 绪论11.1矿井
7、基本概况11.1.1 交通位置、地形地貌11.1.2 气象、地震11.1.3 地层、地质构造21.1.4 煤层、煤质、储量21.1.5 矿井生产状况31.2地面供电系统现状41.3 设计理念52 井下变电所配电点位置的确定62.1井下中央变电所配电点位置的确定62.2采区变电所位置的确定62.3移动变电站位置的确定62.4工作面配电点位置的确定63 井下负荷统计73.1需用系数法统计负荷74 井下供配电系统的确定134.1井下电压等级的确定134.2井下供配电系统的拟定134.2.1中央变电所134.2.2一采区变电所144.2.3 3煤采区供配电系统154.2.4 2煤采区供配电系统164.
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