IEEE C57.157-2015
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
IEEE Guide for Conducting Functional Life Tests on Switch Contacts Used in Insulating Liquid--Immersed Transformers
Hardcopy , PDF
English
20-11-2015
26-03-2026
1 Overview
2 Normative references
3 Definitions
4 Background
5 General test setup
6 Test procedure
7 Test data recording
8 Pass/fail criteria
Annex A (informative) - Bibliography
Annex B (informative) - Contact aging
phenomenon in insulating liquid
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.
| Committee |
Transformers
|
| DocumentType |
Standard
|
| ISBN |
978-1-5044-0064-0
|
| Pages |
26
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Withdrawn
|
| IEEE 1276-2020 | IEEE Guide for the Application of High-Temperature Insulation Materials in Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE C57.91-2011 REDLINE | IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators |
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