This guide addresses the application of tertiary and stabilizing windings in liquid-immersed power transformers, as covered by C57.12.00 "IEEE Std for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers", as well as recommendations to evaluate the need or convenience of having such windings. The primary application of this guide is for transformers and autotransformers with wye-wye-connected (also known as "star to star" connected) windings, with or without a delta-connected tertiary or stabilizing winding. The guide does not address tertiary windings in conventional delta-wye, or delta-delta connected transformers.
- Sponsor Committee
- PE/TR - Transformers
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- Active PAR
- PAR Approval
- 2023-06-29
- Superseding
- C57.158-2017
Working Group Details
- Society
- IEEE Power and Energy Society
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- PE/TR - Transformers
Learn More About PE/TR - Transformers - Working Group
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PerfCharac-WGC57.158 - Performance Characteristics - Stabilizing Tertiary Working Group
- IEEE Program Manager
- Patrycja Jarosz
Contact Patrycja Jarosz - Working Group Chair
- Enrique Betancourt
Other Activities From This Working Group
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C57.158-2017
IEEE Guide for the Application of Tertiary and Stabilizing Windings in Power Transformers
The application of tertiary and stabilizing windings in liquid-immersed power transformers, as covered by IEEE Std C57.12.00™, as well as recommendations to evaluate the need or convenience of having such windings, are addressed in this guide. The primary application of this guide is for transformers and autotransformers with wye-wye-connected windings, with or without a delta-connected tertiary or stabilizing winding. Tertiary windings in conventional delta-wye and delta-deltau2013connected transformers are not addressed by this guide.
These standards have been replaced with a revised version of the standard, or by a compilation of the original active standard and all its existing amendments, corrigenda, and errata.
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