GB50070-2020：矿山电力设计标准

GB50070-2020······1

1 总则······10

2 术语······11

3 基本规定······13

4 矿井井下······17

4.1 供配电系统······17

4.2 电气设备及其保护······18

4.3 电缆线路······20

4.4 电气设备硐室······22

4.5 照明······23

4.6 保护接地······24

5 露天矿采矿场和排废场······27

6 电力牵引······31

6.1 一般规定······31

6.2 直流牵引变电所······32

6.3 直流牵引网······33

7 选矿厂······39

7.1 供配电系统······39

7.2 工艺流程控制······40

8 主要固定设备······42

8.1 矿井提升机······42

8.2 矿井主通风机······44

8.3 矿井主排水泵······45

8.4 空气压缩机······45

8.5 带式输送机······46

8.6 货运架空索道······46

本标准用词说明······48

引用标准名录······49

附：条文说明······50

2 术语······53

3 基本规定······54

4 矿井井下······60

4.1 供配电系统······60

4.2 电气设备及其保护······11

4.4 电气设备硐室······63

4.5 照明······65

4.6 保护接地······65

5 露天矿采矿场和排废场······66

6 电力牵引······68

6.1 一般规定······68

6.2 直流牵引变电所······68

6.3 直流牵引网······70

7 选矿厂······72

7.1 供配电系统······72

7.2 工艺流程控制······75

8 主要固定设备······77

8.1 矿井提升机······77

8.5 带式输送机······77

8.6 货运架空索道······77