IEEE DRAFT C57.131 : D9 JUN 94
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
STANDARD REQUIREMENTS FOR LOAD TAP CHANGERS
21-09-1995
12-01-2013
Covers electrical and mechanical performance and test requirements for load tap changers installed in power transformers and voltage regulating transformers of all voltage and kVa ratings. It relates mainly to load tap changers immersed in transformer mineral oil, but may also be used for other insulating fluids insofar as conditions are acceptable.
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