Article,

ASSURANCE OF TRANSFORMER SHORT-Cl RCUIT WITHSTAND CAPABILITY - A REVIEW OF EXISTING KNOWLEDGE, EXPERIENCE, AND OPINION

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(1980)

Abstract

The Paper presents a summary of the study made on this subject at the Transformer Colloquium held in Haögate, England, September 1979 under the direction of W. J. MCNutt. Short-circuit withstand has been a serious problem throughout the world in the past and has been given consideration at several previous CIGRE Sessions. However, understanding of the subject has increased significantly in recent years, design capability has been improved, and standards documents which define requirements have been strengthened. This seemed the right moment to re-assess the state-of-the-art in withstand capability assurance. Four major areas of concern related to the subject were dealt with successively. The detailed discussions by the collected experts were prefaced by an introductory prepared presentation by each of the co-authors of this report, as indicated below : - Definition of Performance Requirements - Design Practices Calculation Techniques Model Testing - Manufacturing Practices - Proof Testing of Completed Transformers - Y. Tournier - W.J. McNutt - G. Preininger - J. Wendling

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