QB/T 3521-1999
500kV transformer turn-to-turn insulation paper (English Version)
- Standard No.
- QB/T 3521-1999
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- Professional Standard - Light Industry
- Status
- 2012-07
- Replace By
- QB/T 4250-2011
- Latest
- QB/T 4250-2011
- Scope
- This standard specifies the technical specifications for inter-turn insulation paper for 500kV transformers. This standard is applicable to inter-turn insulation paper for transformers, reactors, etc. with a rated voltage not exceeding 50okV.
QB/T 3521-1999 history
- 2011 QB/T 4250-2011 500kV transformer coil winding paper
- 1989 QB/T 3521-1999 500kV transformer turn-to-turn insulation paper
QB/T 3521-1999 500kV transformer turn-to-turn insulation paper was changed to QB/T 4250-2011 500kV transformer coil winding paper .
