GB 20052-2020 Translated English of Chinese Standard (GB 20052-2020, GB20052-2020) PDF Download
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Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 23
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Book Description
This Standard specifies the minimum allowable values of energy efficiency, the energy efficiency grades and the test methods for three phase power transformers. This Standard is applicable to oil-immersed distribution transformers with three-phase 10 kV voltage level, non-excitation tap-changing, and rated capacity of 30 kVA ~ 2500 kVA, dry-type distribution transformers with a rated capacity of 30 kVA ~ 2500 kVA, and three-phase oil-immersed power transformers with a rated frequency of 50 Hz, a voltage level of 35 kV ~ 500 kV, and a rated capacity of 3150 kVA and above. This Standard does not apply to gas-filled transformers and high-impedance transformers.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 23
Get Book Here
Book Description
This Standard specifies the minimum allowable values of energy efficiency, the energy efficiency grades and the test methods for three phase power transformers. This Standard is applicable to oil-immersed distribution transformers with three-phase 10 kV voltage level, non-excitation tap-changing, and rated capacity of 30 kVA ~ 2500 kVA, dry-type distribution transformers with a rated capacity of 30 kVA ~ 2500 kVA, and three-phase oil-immersed power transformers with a rated frequency of 50 Hz, a voltage level of 35 kV ~ 500 kV, and a rated capacity of 3150 kVA and above. This Standard does not apply to gas-filled transformers and high-impedance transformers.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 30
Get Book Here
Book Description
This document specifies the minimum allowable values of energy efficiency, the energy efficiency grades and test methods for power transformers. This document is applicable to oil-immersed distribution transformers and dry-type distribution transformers with three-phase 10 kV voltage level, non-excitation voltage regulation, rated frequency of 50 Hz and rated capacity of 30 kVA ~ 2,500 kVA; oil-immersed power transformers with 35 kV ~ 500 kV voltage level, rated frequency of 50 Hz and rated capacity of 3,150 kVA and above; oil-immersed transformers and dry-type transformers with three-phase 6 kV ~ 35 kV voltage level, non-excitation voltage regulation, rated frequency of 50 Hz and rated capacity of 500 kVA and above for photovoltaics, wind power and energy storage on the new energy power generation side; oil-immersed transformers with three-phase 66 kV voltage level, non-excitation voltage regulation, rated frequency of 50 Hz and rated capacity of 3,150 kVA ~ 20,000 kVA for photovoltaics, wind power and energy storage on the new energy power generation side. This document is not applicable to inflatable transformers, tower transformers and engine room transformers.
