IEEE C57.140-2017
Current
The latest, up-to-date edition.
IEEE Guide for Evaluation and Reconditioning of Liquid Immersed Power Transformers
Hardcopy , PDF
English
31-10-2017
This document provides guidelines for the following: insulating oil maintenance and diagnostics, oil reclamation, testing methods for the determination of remaining insulation (paper) life, and upgrades of auxiliary equipment such as bushings, gauges, de-energized tap changers (DETCs), load tap changers (LTCs) (where applicable), and coil re-clamping.
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