This guide provides guidance for loading liquid-immersed transformers with non-conventional insulation systems not covered by IEEE Std C57.91-2025. This guide applies to transformers designed in accordance with IEEE Std C57.12.00 or IEEE Std C57.154.
- Standard Committee
- PE/TR - Transformers
- Status
- Active PAR
- PAR Approval
- 2026-06-04
Working Group Details
- Society
- IEEE Power and Energy Society
- Standard Committee
- PE/TR - Transformers
- Working Group
-
Loading Guide for Non-Conventional Insulation - IEEE Guide for Loading Liquid-Immersed Transformers Using Non-Conventional Insulation Systems
- Working Group Chair
- Timothy Charles Raymond
Other Activities From This Working Group
Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.
No Active Projects
Standards approved by the IEEE SA Standards Board that are within the 10-year lifecycle.
No Active Standards
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.
No Superseded Standards
These standards have been removed from active status through a ballot where the standard is made inactive as a consensus decision of a balloting group.
No Inactive-Withdrawn Standards
These standards are removed from active status through an administrative process for standards that have not undergone a revision process within 10 years.
No Inactive-Reserved Standards
