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


C57.12.20-2005 发布历史

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.

C57.12.20-2005由IEEE - The Institute of Electrical and Electronics Engineers@ Inc. 发布于 2005-06-09,并于 2011-09-22 实施。

C57.12.20-2005的历代版本如下:

 

 

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标准号
C57.12.20-2005
发布日期
2005年06月09日
实施日期
2011年09月22日
废止日期
中国标准分类号
/
国际标准分类号
/
发布单位
IEEE - The Institute of Electrical and Electronics Engineers@ Inc.
引用标准
48
适用范围
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.




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