JJG 1021-2007
Instrument Transformers in Power System (English Version)
- Standard No.
- JJG 1021-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Latest
- JJG 1021-2007
- Scope
- This procedure is applicable to the initial verification, subsequent verification and in-use inspection of current and voltage transformers and combined transformers (referred to as power transformers) installed in power systems of 6kV and above. Power transformers used in power systems below 6kV, if they are not moved from the on-site installation location, should also be calibrated in accordance with this procedure.
JJG 1021-2007 Referenced Document
- GB 1207-2006 Inductive voltage transformers
- GB 1208-2006 Current transformers
- GB/T 4703-2001 Capacitor voltage transformers
JJG 1021-2007 history
- 2007 JJG 1021-2007 Instrument Transformers in Power System
