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

active - Revision of C57.12.20-2005
Buy Now
Organization: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 20 September 2011
Status: active
Page(s): 1 - 55
ICS Code (Transformers. Reactors): 29.180
ISBN (Online): 978-0-7381-6689-6
DOI: 10.1109/IEEESTD.2011.6026206

Abstracts

Regular

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.

Standard

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.

Document History

PC57.12.20/D4, Feb 2016 - IEEE Draft 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
January 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Certain electrical, dimensional, and mechanical characteristics and safety features of single-and three-phase, 60 Hz, liquid-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 ...

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
September 20, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

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 cover...

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 - Redline
September 20, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

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 cover...

PC57.12.20/D7, Mar 2011 - IEEE Draft Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34 500 Volts and Below; Low Voltage, 7970/13 800Y Volts and Below
March 18, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

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 Volts and below and low voltages 7970/13 80...

PC57.12.20 - IEEE Draft Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34 500 Volts and Below; Low Voltage, 7970/13 800Y Volts and Below
September 28, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

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 7970/13 800 Y ...

C57.12.20-2005 - 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
January 1, 2005 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

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...

PC57.12.20/D10c - Approved IEEE Draft Standard for Overhead Type Distribution Transformers, 500 kVa and Smaller: High Voltage, 34 500 Volts and Below; Low Voltage, 7970/13 800Y Volts and Below (Revision of IEEE C57.12.20-1997) Superseded by C57.12.20-2005
January 1, 2004 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

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...

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
June 11, 2003 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Superseded by IEEE Std C57.12.20-2005.This standard covers certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of single- and three-phase, 60-Hz, mineral-oil-immersed, self-cooled, overhead-type distribution transformers 500 kVA and sm...

Advertisement