GB/T 21707-2008Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors (English PDF)
变频调速专用三相异步电动机绝缘规范
GB/T 21707 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 21707-2025 | Insulation specification for frequency conversion machine | Valid |
| GB/T 21707-2018 | Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors | Obsolete |
| GB/T 21707-2008 | Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors | Obsolete |
GB/T 21707-2008 is obsolete. It has been replaced by GB/T 21707-2018. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
April 24, 2008
Implementation date
December 1, 2008
Scope
GB/T 21707-2008 is the English-translated version of 变频调速专用三相异步电动机绝缘规范.
GB/T 21707-2008 is the Chinese national standard "Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors".
It was issued on April 24, 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on December 1, 2008. It is obsolete: it has been replaced by GB/T 21707-2018.
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Document preview — GB/T 21707-2008
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2008-04-24.
Date of implementation: 2008-12-01.
Status: obsolete, replaced by GB/T 21707-2018.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 14711-2025General requirements for safety of small and medium size rotating electrical machines
- T/CEEIA 415-2023Insulation system for driving motor of new energy vehicle - Technical specification
- JB/T 12680-2016Specification for SRM series (IP55) switched reluctance motors (frame size 63 to 355)
- JB/T 12219-2015YFP series (IP55) variable frequency speed-regulated three-phase asynchronous motors for fans - Technical specifications (frame sizes 80 to 400)
- JB/T 12220-2015Specification for YSP series (IP55) variable frequency three-phase induction motors for pumps (frame size 80 to 355)
- JB/T 12221-2015Specification for YYSP series (IP55) variable frequency three-phase induction motors for compressors (frame size 80 to 355)
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