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Division Spotlight
Mathematics & Computation
Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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ANS announces 2025 Presidential Citations
One of the privileges of being president of the American Nuclear Society is awarding Presidential Citations to individuals who have demonstrated outstanding effort in some manner for the benefit of ANS or the nuclear community at large. Citations are conferred twice each year, at the Annual and Winter Meetings.
ANS President Lisa Marshall has named this season’s recipients, who will receive recognition at the upcoming Annual Conference in Chicago during the Special Session on Tuesday, June 17.
Choong-koo Chang (KINGS)
Proceedings | 2018 International Congress on Advances in Nuclear Power Plants (ICAPP 2018) | Charlotte, NC, April 8-11, 2018 | Pages 267-272
According to the analysis result of the faults caused plant shut down in Korean nuclear power plants during last 10 years, the share of electrical fault is 21%. The first case was instrumentation and control system faults and it is 30%. And, more than a quarter of the electrical faults are ground faults. Consequently, ground fault protection is one of the indispensable schemes to enhance the reliability of nuclear power plant electric power systems. This paper elaborated the ground fault protection system for the main generator and preferred power supply line of typical type nuclear power plant in Korea and the vulnerability of the ground fault protection system also. Then, proposed the subharmonics voltage injection type ground fault protection scheme as an alternative.
