Standard Details
General types of load tap changer (LTC) mechanisms, breathing configurations, and electrical designs, described for reference for determining methods of testing and evaluating dissolved gases in mineral-based transformer oils in LTCs, are discussed and recommended in this guide. Measurements of dissolved gas concentrations in the LTC oil are required to implement this guide. This guide is not manufacturer specific, rather category specific. ** Downloads file posted at http://standards.ieee.org/downloads/C57/C57.139-2015/
Standards Committee | |
Status |
Active
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Board Approval |
2015-12-05
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History |
Published Date:2016-04-29
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Additional Resources Details
PAR | |
Downloads |
Working Group Details
Working Group |
InsFluid-WGC57.139 - Insulating Fluids - DGA in LTC Working Group
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Working Group Chair |
David Wallach
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Standards Committee | |
Society | |
IEEE Program Manager | |
Existing Standards |
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/
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