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IEEE C57.12.90-1987

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IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers

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New IEEE Standard - Superseded. Superseded by C57.12.90-1987. Methods for performing tests specified in IEEE Std C57.12.00-1993, IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers, and other standards applicable to liquid-immersed distribution, power, and regulating transformers are described. Instrument transformers, step-voltage and induction voltage regulators, arc furnace transformers, rectifier transformers, specialty transformers, grounding transformers, and mine transformers are excluded. This standard covers resistance measurement, polarity and phase-relation tests, ratio tests, no-load-loss and excitation current measurements, impedance and loadloss measurements, dielectric tests, temperature tests, short-circuit tests, and audible-sound-level measurements.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C57.12.90
Publication Date April 1, 1988
Language en - English
Page Count 80
Revision Level
Supercedes
Committee Transformers
Publish Date Document Id Type View
Feb. 4, 2022 C57.12.90-2021 Revision
March 11, 2016 C57.12.90-2015 Revision
Oct. 15, 2010 C57.12.90-2010 Revision
Feb. 15, 2007 C57.12.90-2006 Revision
Dec. 30, 1999 C57.12.90-1999 Revision
Dec. 31, 1993 C57.12.90-1993 Revision
April 1, 1988 C57.12.90-1987 Revision