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IEEE C57.12.40
Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 GrdY/ 19 920 and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)
Year: 2011
Abstract: This standard covers certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of three-phase, 60-Hz, liquid-immersed, self-cooled, network transformers with a primary grounding switch. These transformers are rated 2500 kVA and below with high voltages of 34 500GrdY/19 920 volts and below. These transformers are generally used for step-down purposes from underground primary cables and supply a secondary network system through network protectors. These transformers are typically installed below ground level.
Purpose
This standard is intended for use as a basis for establishing the performance, electrical and mechanical interchangeability, safety of the equipment covered, and to assist in the proper selection of such equipment.
Purpose
This standard is intended for use as a basis for establishing the performance, electrical and mechanical interchangeability, safety of the equipment covered, and to assist in the proper selection of such equipment.
Subject: copper-bearing steel
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| contributor author | IEEE - The Institute of Electrical and Electronics Engineers, Inc. | |
| date accessioned | 2017-09-04T18:30:57Z | |
| date available | 2017-09-04T18:30:57Z | |
| date copyright | 40884 | |
| date issued | 2011 | |
| identifier other | IXNVTEAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/213171 | |
| description abstract | This standard covers certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of three-phase, 60-Hz, liquid-immersed, self-cooled, network transformers with a primary grounding switch. These transformers are rated 2500 kVA and below with high voltages of 34 500GrdY/19 920 volts and below. These transformers are generally used for step-down purposes from underground primary cables and supply a secondary network system through network protectors. These transformers are typically installed below ground level. Purpose This standard is intended for use as a basis for establishing the performance, electrical and mechanical interchangeability, safety of the equipment covered, and to assist in the proper selection of such equipment. | |
| language | English | |
| title | IEEE C57.12.40 | num |
| title | Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 GrdY/ 19 920 and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed) | en |
| type | standard | |
| page | 34 | |
| status | Active | |
| tree | IEEE - The Institute of Electrical and Electronics Engineers, Inc.:;2011 | |
| contenttype | fulltext | |
| subject keywords | copper-bearing steel | |
| subject keywords | grounding switch | |
| subject keywords | magnetizing switch | |
| subject keywords | network | |
| subject keywords | subway | |
| subject keywords | transformer | |
| subject keywords | vault |