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IEEE C57.139-2010

IEEE Guide for Dissolved Gas Analysis in Transformer Load Tap Changers

standard by IEEE , 02/18/2011

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Scope

This guide discusses and recommends methods of testing and evaluating dissolved gases in mineral based transformer oils found in Load Tap Changers (LTCs). General types of LTC mechanisms, breathing configurations, and electrical design will be included for evaluation criteria in determining when mechanical damage or failure has occurred. Dissolved Gas Analysis (DGA) of the oil in the LTC is required. This guide will not be manufacturer specific, rather category specific.

Purpose

The purpose of this guide is to assist the responsible parties who are in charge of the operation and maintenance decisions in evaluating the condition of a load tap changer (LTC) without the need to deenergize the transformer to inspect the LTC in question. Additionally, repairs to the LTC can be made in a timely fashion based on accurate interpretation of the gas analysis minimizing premature repairs or post failure rebuilds.

Abstract

New IEEE Standard - Superseded. Methods of testing and evaluating dissolved gases in mineral based transformer oils found in Load Tap Changers (LTCs) are discussed and recommended in this guide. General types of LTC mechanisms, breathing configurations and electrical design are included as evaluation criteria for determining when mechanical damage or failure has occurred. Dissolved Gas of the LTC is required. This guide is not manufacturer specific, rather category specific. Additional files for download can be found at http://standards.ieee.org/downloads/C57/C57.139-2010/
 

Product Details

Published:
02/18/2011
ISBN(s):
9780738165172
Number of Pages:
32
File Size:
1 file , 450 KB
Product Code(s):
STDSU97061
Note:
This product is unavailable in Russia, Belarus
 

Document History

  1. IEEE C57.139-2015


    IEEE Guide for Dissolved Gas Analysis in Transformer Load Tap Changers

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    IEEE Guide for Dissolved Gas Analysis in Transformer Load Tap Changers

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