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Description / Abstract:
This guide recommends a procedure to be used to perform and
document a failure analysis and the reporting and statistical
analysis of reliability of power transformers and shunt reactors
used on electric power systems.
Purpose
This document is intended to provide a methodology by which the
most probable cause of any particular transformer failure may be
determined by applying the scientific method to investigations;
provide sufficient guidelines, examples, and case histories to
promote uniformity in the analysis of transformer failures;
encourage the establishment of routine and uniform data collection
so that valuable facts are not lost or destroyed; encourage
consistency of nomenclature and compatibility with similar efforts
by other organizations (Examples include but not limited to CIGRE,
EEI, IEC, NEMA, NERC, and AEIC); and encourage cooperative efforts
by users and manufacturers during the failure analysis.