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C57.149-2012  -  IEEE Guide for the Application and Interpretation of Frequency Response Analysis for Oil-Immersed Transformers

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The measurement of Frequency Response Analysis (FRA) of oil-immersed power transformers is applicable in this guide. It is intended to provide the user with the requirements and specifications for instrumentation, procedures for performing the tests, techniques for analyzing the data, and recommendations for long-term storage of the data and results.