A. A. Nagibin, Yu. I. Kozlov, I. A. Kaplichnaya, P. V. Legoshin
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Methodological Problems in Assessing the Availability Indicators of NPP Power Units at the Design Stage
The article discusses methodological problems that arise when assessing the availability indicators of NPP power units at the design stage. A description of the availability analysis process and indicators is provided. The downtimes of power units at NPPs with the VVER-1000 reactor in excess of the established standard are statistically evaluated. A computational model simulating the scheduled shutdown of the power unit is presented for assessing the downtime of the power unit in excess of the established repair schedule standard. The model is based on the vector-coordinate schedule synthesis method. The presented results indicate the possibility of using such a model for calculating the availability indicators of NPP power units at the design stage.
期刊介绍：
Atomic Energy publishes papers and review articles dealing with the latest developments in the peaceful uses of atomic energy. Topics include nuclear chemistry and physics, plasma physics, accelerator characteristics, reactor economics and engineering, applications of isotopes, and radiation monitoring and safety.
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