| Standard ID | DL/T 651-2017 (DL/T651-2017) |
| Description (Translated English) | Requirements for hydrogen humidity of hydrogen-cooled generators |
| Sector / Industry | Electricity & Power Industry Standard (Recommended) |
| Classification of Chinese Standard | K52 |
| Classification of International Standard | 27.100 |
| Word Count Estimation | 18,194 |
| Date of Issue | 2017-11-15 |
| Date of Implementation | 2018-03-01 |
| Older Standard (superseded by this standard) | DL/T 651-1998 |
| Quoted Standard | JJF 1001-2011; JJF 1012-2007; JJF 1076 |
| Regulation (derived from) | National Energy Board Bulletin 2017 No. 10 |
| Summary | This standard specifies the method, standard, measurement and requirements for hydrogen humidity of hydrogen cooled generators. This standard applies to hydrogen-cooled generators in operation and in charge of hydrogen shutdown. |