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| Chinese National Standard Category: Asynchronous machine |
| English Title: | Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors |
| Chinese Title: | 变频调速专用三相异步电动机绝缘规范 |
| Standard No.: | GB/T 21707-2008 |
| Category No.: | K22 |
| Issued by: | AQSIQ; SAC |
| Issued on: | 2008-4-24 |
| Implemented on: | 2008-12-1 |
| Status: | superseded |
| Superseded by: | GB/T 21707-2018 Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors |
| Superseded on: | 2019-1-1 |
| Abolished on: | 2019-01-01 |
| Superseding: | |
| Word Count: | 4000 words |
| Similar Standards: | T/ZZB 0058-2016 GB/T 12974.1-2023 GB/T 1032-2023 GB/T 29314-2023 GB/T 13957-2022 GB/T 9651-2022 GB/T 32877-2022 GB/T 28575-2020 GB/T 32891.2-2019 GB/T 22670-2018 GB/T 34867.1-2017 GB/T 32891.1-2016 NB/T 42032.2-2014 NB/T 42032.1-2014 JB/T 10446-2014 JB/T 6741-2013 JB/T 11709-2013 GB/T 1032-2012 GB/T 28575-2012 GB/T 28562-2012 |
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