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Information × Registration Number 0210U005675, 0109U008228 , R & D reports Title Development of probabilistic model for Level 1Probabilistic Safety Assessment for internal initiating events for NPP's with VVER-1000/320 popup.stage_title Head Kocharyants Oleg Rafailovich, Registration Date 17-01-2011 Organization State enterprise "State Scientific and Technical Center on Nuclear and Radiation Safety" popup.description2 The object of study: up-to-date methodologies for the development of probabilistic model of probabilistic safety analysis (PSA) according recommendations of the International Atomic Energy Agency (IAEA), reference levels Western European Nuclear Regulators' Association (WENRA) and international and domestic experience in the implementation of PSA.The purpose of RE (Research efforts): the development of a probabilistic model of the Level 1 with respect to internal initiators of NPP with VVER-1000/320. Research method- Analytical procedure. Work's result: A report on the preparation of baseline data for developing a probabilistic model, contains the information needed for modeling (selection of the base unit, an analysis of data on systems and nuclear steam-production installation (here as NSPI), data on reliability of equipment and common cause failure, by frequency of occurrence of initiating events accidents, etc); Probabilistic model for the base unit is made according to requirements of the appropriate account code to the contents and the package structure of the initial data; Description of the developed a probabilistic model, which will reflected the constitutive parts and description of the structure, the categories of the used baseline data and built fault trees and event trees presented in graphical form. Area of application: Specified probabilistic model of the probabilistic safety assessment Level-1 for NPPs with VVER-1000/320 regarding to internal initiators will be used by experts of the the Regulatory Body of Ukraine as an independent design technique - probabilistic safety assessment of operation of the NPP's units. Product Description popup.authors Зінченко Юрій Олексійович Михасюк Сергій Ростиславович Стєфанішин Микола Олександрович popup.nrat_date 2020-04-02 Close