DLT 621-1997交流电气装置的接地.pdf

《DLT 621-1997交流电气装置的接地.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、交流电气装置的接地DL/T621-1997交流电气装置的接地DL/TDL/T621DL/T621621—621———1997199719971997GroundingGroundingforGroundingforforACforACACACelectricalelectricalelectricalinstallationselectricalinstallationsinstallationsinstallations中华人民共和国电力工业部19971997-1997---09090909----02020202批准批准19981998-1998---01010101----01010

2、101实施实施1范围.....................................................................................................................................................................22名词术语.....................................................................................................................

3、........................................23A类电气装置接地的一般规定...........................................................................................................................34A类电气装置保护接地的范围.........................................................................................................

4、..................45A类电气装置的接地电阻...................................................................................................................................55.1发电厂、变电所电气装置的接地电阻..................................................................................................55.2架空线路的接地电阻.....

5、.......................................................................................................................65.3配电电气装置的接地电阻.....................................................................................................................66A类电气装置的接地装置..................................

6、.................................................................................................76.1接地装置的一般规定............................................................................................................................76.2发电厂、变电所电气装置的接地装置............................................

7、.....................................................86.3架空线路杆塔的接地装置...................................................................................................................106.4配电电气装置的接地装置.............