Draft Regulatory Guide: Application and Testing of Onsite Emergency Alternating Current Power Sources in Production and Utilization Facilities
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- Title
- Draft Regulatory Guide: Application and Testing of Onsite Emergency Alternating Current Power Sources in Production and Utilization Facilities
- Posted
- Jun 2, 2026
- Comment period
- Jun 2, 2026 – Jul 3, 2026
- FR Doc
- 2026-10978
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- Jun 29, 2026IEEE Nuclear Power Engineering Committee (NPEC), Sub-Committee 4 (SC-4), Working Group 4.2SupportTrade association📎 Attachment
The IEEE/PES/NPEC/SC-4, Working Group 4.2 submitted consensus comments on Draft Regulatory Guide DG-1477. They provide specific technical recommendations, wording revisions, and clarifications regarding the application and testing of onsite emergency AC power sources, including emergency diesel generators and combustion turbine generators.
Read comment → - Jun 29, 2026Vijay GoelSupportOther📎 Attachment
The commenter provides specific technical revisions to the draft regulatory guide DG-1477 regarding the bypass of noncritical protective trips during LOOP only conditions. They argue that justifications should only be required during accident modes and request clarification or deletion of requirements for onsite emergency AC power sources other than EDGs and CTGs.
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