NRC staff finds open-phase protection could not be ordered

摘要

An NRC analysis shows that the safety benefits of requiring US nuclearplants to put in place automatic systems to protect against anelectrical system vulnerability would not be justified by the costs of thesystems.NRC staff said in a May 21 backfit screening analysis that thebenefits of such automatic protection systems do not provide a safetybenefit large enough to trigger a full cost-benefit analysis.