矿山电工学(课件).pptx

矿山电工学;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;;受电设备与系统额定电压;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;请根据下面系统图已知参数确定各电气元件的额定电压.;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2.系统网络结构;（2）双回路放射式;双电源双回路：从两段母线上各引出一回线路对用户供电。适用较大容量或一级负荷的供电。供电可靠性相对更高。缺点是设备投资相对较大，继电保护保护设置相对难。;2）干线式供电;2）直接联络式干线式供电结线图;贯穿联络式：各用户为串联方式，联结各用户的干线的进出两端均采用隔离开关，可减少某段干线故障而引起的停电范围，设备投入增加。;3）环式：线路将电能从两段母线或同一电源引出，经过不同线路接入变电所或负荷点。适用于电源对矿区用户相对位置居中或较远，而用户间距较近，且负荷相差不太悬殊的供电。供电可靠性高，运行、保护整定困难。;2025/6/8;（1）单母线不分段;（2）单母线分段;单母线分段结线图;2025/6/8;2）桥式结线（外桥）;2）桥式结线（内桥）;2）桥式结线（全桥）;2025/6/8;2025/6/8;地面部分;井下部分;2025/6/8;2025/6/8;2025/6/8;2025/6/8;浅井供电系统地面变电所;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;低沼气矿井接线示意图;低沼气矿井井下主变电所设备示意图;2025/6/8;高沼气矿井接线示意图;高沼气矿井井下主变电所电气设备设置示意图;2025/6/8;DB：高压配电箱

QA：自动馈电开关

SM：磁力起动器

SH：手动起动器;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;采区变电所设备布置图;2025/6/8;2025/6/8;2025/6/8;干线式胶带输送机供电方式;2025/6/8;1.熔断器;2025/6/8;2025/6/8;RN1、RN2、RW10-35型、RNZ型系列户内、户外、直流熔断器;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;PBG系列矿用隔爆兼本质安全型

高压真空配电装置;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;DW80系列馈电开关电路图;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;通用电力变压器;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2.型号及使用场所;2025/6/8;2025/6/8;2025/6/8;型号;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8;2025/6/8