XJJ074-2022······1

1 總則······6

2 術(shù)語······7

3 基本規(guī)定······11

4 供配電系統(tǒng)······12

4.1 一般要求······12

4.2 負(fù)荷性質(zhì)確定······12

4.3 負(fù)荷容量計(jì)算······13

4.4 住宅小區(qū)供電······15

4.5 配套設(shè)施······18

4.6 配電裝置接地······19

4.7 電能計(jì)量方式······20

4.8 電纜敷設(shè)······22

4.9 繼電保護(hù)······23

4.10 無功補(bǔ)償、短路電流水平和電壓偏差······24

4.11 智能化要求······24

5 充電設(shè)施······27

5.1 一般規(guī)定······27

5.2 配建標(biāo)準(zhǔn)······27

5.3 供電設(shè)計(jì)······28

6 分布式光伏系統(tǒng)······30

7 設(shè)備選型······32

7.1 高壓設(shè)備······32

7.2 低壓設(shè)備······35

7.3 低壓電纜······35

7.4 電能計(jì)量裝置······36

8 施工及驗(yàn)收······38

8.1 施工······38

8.2 竣工驗(yàn)收······38

附錄A 供配電工程施工圖設(shè)計(jì)文件審查意見表······40

附錄B 住宅小區(qū)供電方案典型設(shè)計(jì)示例······41

附錄C 電表箱結(jié)構(gòu)示意圖······45

附錄D 電能計(jì)量裝置配置圖······47

本標(biāo)準(zhǔn)用詞說明······49

引用標(biāo)準(zhǔn)名錄······50