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Scope

It is the purpose of this publication to establish general principles for rating electric apparatus for shor-time, intermittent, or varying duty and to point out the factors to be considered in selecting the method of rating for any particular case.

Abstract

New IEEE Standard - Inactive-Withdrawn. This standard establishes general principles for rating electric apparatus for short-time, intermittent, or varying duty. The four methods used for rating equipment are covered by the standard: the continuous rating method; the continuous plus short-time overload rating method or nominal rating method; the short-time rating method; and the periodic rating method.