IEEE C57.157-2015
IEEE Guide for Conducting Functional Life Tests on Switch Contacts Used in Insulating Liquid--Immersed Transformers
| Fecha edición: |
2015-11-20
En Vigor
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| Idiomas disponibles: | Inglés |
| Keywords: | accelerated life simulation|Arrhenius relationship|contact aging phenomenon|IEEE C57.157|supertemperature |
| Scope: | New IEEE Standard - Active. This guide is intended for use in establishing a methodology to evaluate expected long-term performance of infrequently operated switch contacts used within insulating liquid-immersed transformers. These switch contacts are typically found in de-energized tapchangers, dual voltage switches, reversing switches, on-load tapchangers, and step-voltage regulators, but the test might possibly be used to evaluate any contact that is used in insulating liquids with similar operating characteristics and within similar environments. |
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