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IEEE C57.142-2025
IEEE Guide to Describe the Occurrence and Mitigation of Switching Transients Induced by Transformers, Switching Devices, and System Interaction
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STANDARD published on 31.7.2026
The information about the standard:
Designation standards: IEEE C57.142-2025
Publication date standards: 31.7.2026
SKU: NS-1278696
The number of pages: 79
Approximate weight : 237 g (0.52 lbs)
Country: International technical standard
Category: Technical standards IEEE
Annotation of standard text IEEE C57.142-2025 :
Revision Standard - Active.
The performance of transformers in the presence of oscillatory transients is addressed in this guide. Oscillatory transients are typically produced by the interaction of the switching device, transformer, load, and system. Operating conditions that may produce oscillatory switching transient voltages damaging to the transformer insulation system are described. The electrical characteristics of the source, switching device, transformer, load, and the nature of their transient interaction are discussed. Several mitigation methods are discussed, including six generic examples. Mechanical switching devices are the focus, and semiconductor switching devices are not addressed.
ISBN: 979-8-8557-2763-0, 979-8-8557-3135-4, 979-8-8557-3136-1
Number of Pages: 79
Product Code: STDAPE28373, STD28646, STDPD28646
Keywords: IEEE C57.142, mitigation, oscillatory, snubber, switching device, transformer, transient
Category: Transformers|Switchgear
Draft Number: PC57.142/D15, Oct 2025 - APPROVED DRAFT
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