| Standard ID | DL/T 1688-2017 (DL/T1688-2017) |
| Description (Translated English) | Guide for condition evaluation of gas insulated switchgear |
| Sector / Industry | Electricity & Power Industry Standard (Recommended) |
| Classification of Chinese Standard | F23 |
| Classification of International Standard | 29.240 |
| Word Count Estimation | 29,288 |
| Date of Issue | 2017-03-28 |
| Date of Implementation | 2017-08-01 |
| Quoted Standard | GB/T 7674; DL/T 393-2010; DL/T 664; DL/T 1250; DL/T 1684-2017; DL/T 1685-2017 |
| Regulation (derived from) | State Energy Bureau Announcement No. 6 of 2017 |
| Summary | This standard specifies the operation of gas-insulated metal-enclosed switchgear status information classification, state evaluation classification, the basic requirements of state evaluation, state quantitative quantitative standards, components and overall evaluation. This standard applies to the system voltage level 110 (66) kV ~ 750kV gas-insulated metal-enclosed switchgear (referred to as GIS). |