Active standard | Published: 28/09/2020

IEEE C57.12.70-2020

IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers

Available languages: English

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Detail information

Designation: IEEE C57.12.70-2020

Publication date: 28/09/2020

Pages: 59

Country: International technical standard

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Anotation

Revision Standard - Active.
Standard terminal markings and connections are described for single-phase and three phase distribution, power, and regulating transformers. For terminal markings, it covers sequence designation, external terminal designation, neutral terminal designation, grounded terminal designation, and marking of full and tap winding terminals. Additive and subtractive polarity and parallel transformer operation are described. Connections of single-phase transformers in various configurations and angular displacement of three-phase transformers to connect to various system phase displacements are covered.

ISBN: 978-1-5044-6988-3, 978-1-5044-6989-0
Number of Pages: 59
Product Code: STD24371, STDPD24371
Keywords: IEEE C57.12.70, transformer connection, transformer terminals, transformer polarity
Category: Transformers

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