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One from menu A, one from menu B: optimising NEMA TP 1 transformers for process industry substation service

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2 Author(s)
Merritt, S.Y. ; Meritt & Associates, Bedford, VA, USA ; Chaitkin, S.D.

The National Electric Manufacturing Association (NEMA) has established a voluntary efficiency standard under which NEMA Class I transformers are required to meet certain efficiency standards as set forth in their specification TP 1-2002. This article examines the question: what should be the specification wording to insure that the furnished equipment meets NEMA TP 1 and also is optimized in terms of cost effectiveness for the application?.

Published in:

Industry Applications Magazine, IEEE  (Volume:11 ,  Issue: 4 )