This standard gives the insulation specifications for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors, including terms and definitions, technical requirements and inspection rules. This standard is applicable to variable frequency adjustable speed definite purpose converter-fed three-phase induction motors with rated voltage of 1140 V and below.
Basic Data
Standard ID
GB/T 21707-2018 (GB/T21707-2018)
Description (Translated English)
Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
K20
Classification of International Standard
29.160.01
Word Count Estimation
14,114
Date of Issue
2018-06-07
Date of Implementation
2019-01-01
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
