1810028

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

standard by IEEE , 09/20/2011

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Full Description

Scope

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.

Purpose

This standard 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Revision Standard - Superseded. 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 are covered in this standard.
 

Product Details

Published:
09/20/2011
ISBN(s):
9780738166896, 9780738169897
Number of Pages:
55
File Size:
1 file , 580 KB
Redline File Size:
2 files , 1.6 MB
Product Code(s):
STDSURL97129, STDSU97129
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

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    viewing


    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


    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