GB 20052-2006
The minimum allowable values of energy efficiency and the evaluating values of energy conservation for three-phase distribution transformers (English Version)
- Standard No.
- GB 20052-2006
- Language
- Chinese, Available in English version
- Release Date
- 2006
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2013-10
- Replace By
- GB 20052-2013
- Latest
- GB 20052-2020
- Scope
- This standard specifies the limit values of energy efficiency, target limit values of energy efficiency, evaluation values of energy conservation and test methods for three-phase distribution transformers. This standard applies to three-phase 10kV oil-immersed distribution transformers with a rated capacity of 30kVA-1600kVA and dry-type distribution transformers with a rated capacity of 30kVA-2500kVA. This standard does not apply to gas-filled transformers.
GB 20052-2006 Referenced Document
- GB 1094.1 Power transformers.Part 1: General*， 2013-12-17 Update
- GB 6450 Dry-type power transformers
- GB/T 10228 Technical parameters and requirements for dry-type power transformers*， 2023-05-23 Update
- GB/T 2900.15 Electrotechnical terminology. Transformer, instrument transformer, voltage regulator and reactor
- GB/T 6451 Technical parameters and requirements of oil-immersed power transformers*， 2023-09-07 Update
GB 20052-2006 history
- 2020 GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
- 2013 GB 20052-2013 Minimum allowable values of energy efficiency and energy efficiency grades for three-phase distribution transformers
- 2006 GB 20052-2006 The minimum allowable values of energy efficiency and the evaluating values of energy conservation for three-phase distribution transformers
