1265957

IEEE C57.12.20-2005

Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34500 Volts and Below; Low Voltage, 7970/13800Y Volts and Below

standard by IEEE , 12/09/2005

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Full Description

Scope

This project is a revision of an existing product standard covering certain electrical, dimensional and mechanical characteristics and safety features of single and three phase, 60 HZ, mineral oil immersed, self cooled, overhead type distribution transformers 500 kVA and smaller, High Voltages 34500 volts and below with Low Voltages 7970/13800Y volts and below.

Purpose

This project is to maintain and update the subject standard which is intended for use as a basis for determining the performance, interchangeability and safety of overhead type distribution transformers and to assist in the proper selection of this equipment.

Abstract

Revision Standard - Superseded. This standard covers certain electrical, dimensional, and mechanical characteristics and safety features of single- and three-phase, 60 Hz, mineral-oil-immersed, self-cooled, overhead-type distribution transformers 500 kVA and smaller, high voltages 34 500 V and below and low voltages 7970/13 800Y V and below.
 

Product Details

Published:
12/09/2005
ISBN(s):
0738147524, 9780738147536
Number of Pages:
65
File Size:
1 file , 4.8 MB
Product Code(s):
STDSU95354
Note:
This product is unavailable in Russia, Belarus
 

Document History

  1. IEEE C57.12.20-2023


    IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below

    • Most Recent

  2. IEEE C57.12.20-2017


    IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below

    • Historical Version

  3. IEEE C57.12.20-2011


    IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller: High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below

    • Historical Version

  4. IEEE C57.12.20-2005

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    viewing


    Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34500 Volts and Below; Low Voltage, 7970/13800Y Volts and Below

    • Historical Version

  5. IEEE/ANSI C57.12.20-1997


    American National Standard for Transformers - Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage 34500 Volts and Below: Low Voltage, 7970/13800Y Volts and Below

    • Historical Version