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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
09-21-1995
01-12-2013
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.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.