IEEE C57.12.40-2017

IEEE Standard for Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)

IEEE, 08/31/2017

Publisher: IEEE

File Format: PDF

$31.00$62.00

Description

Published:31/08/2017

Pages:33

File Size:1 file , 3.2 MB

Note:This product is unavailable in Russia, Ukraine, Belarus

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 34 500 volts and below and secondaries of 600 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.

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