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[en] To document and license the increase of Krsko Nuclear Power Plant (NPP) power to 2000 MWt with replaced steam generator (RSG) , an exhaustive program of analyses has been conducted. It also covers operation in a range of reactor coolant temperatures, SG tube plugging level of up to 5% and cycles durations of 12 to 18 months. As far as feasible, the same methodologies/licensing basis, as existed before, have been followed. R.G. 1.70 rev.3 was observed for the accident analyses. A few changes in methodologies/licensing basis have however been introduced. They include Leak-Before- Break studies to exclude large break LOCA dynamic effects. Throughout the work, emphasis has consistently been placed on limiting plant modifications as far as feasible. Work has been documented along the project in work reports. Those have been reviewed by one or several authorized institutions and by SNSA. Work has been scrutinized by the reviewers to the minute detail, including non safety related parts. Results of the analyses being acceptable and, this acceptability being validated by a comprehensive licensing process, operation of Krsko NPP at 2000 MWt has been fully verified to be safe. (author)
Source
Mavko, B.; Cizelj, L.; Kovac, M. (Nuclear Society of Slovenia (Slovenia)) (eds.); Nuclear Society of Slovenia, Ljubljana (Slovenia); Inst. Jozef Stefan, Ljubljana (Slovenia). Funding organisation: Ministry of Science and Technology of Slovenia, Ljubljana (Slovenia); Ministry of Economic Affairs of Slovenia, Ljubljana (Slovenia); European Nuclear Society, Brussels (Belgium); American Society of Mechanical Engineers, New York, NY (United States); NPP Krsko (Slovenia); Westinghouse Electric Systems Europe S.A., Brussels (Belgium); CAE, Toronto (Canada); Siemens AG, Erlangen, Offenbach (Germany); Faculty of Mathematics and Physics, Univ. of Ljubljana (Slovenia); Framatome, Paris (France); Inetec, Zagreb (Croatia); SIAP d.o.o, Pesnica pri Mariboru (Slovenia); IBE d.d. Consulting Engineers, Ljubljana (Slovenia); Inst. of Metals and Technology, Ljubljana (Slovenia); NUMIP d.o.o, Krsko (Slovenia); Q Techna d.o.o., Krsko (Slovenia); Elmont d.o.o., Krsko (Slovenia); Slovenian Nuclear Safety Administration, Ljubljana (Slovenia); Agency for Radwaste Management, Ljubljana (Slovenia); ENCONET Consulting GmbH, Vienna (Austria); The Inst. of Metal Constructions, Ljubljana (Slovenia); The Milan Vidmar Electroinstitute, Ljubljana (Slovenia); Welding Inst., Ljubljana (Slovenia); 13.8 Megabytes; ISBN 961-6303-29-5; 
; 2000; [9 p.]; International Conference Nuclear Energy in Central Europe 2000; Bled (Slovenia); 11-14 Sep 2000; Also available from Slovenian Nuclear Safety Administration, Zelezna cesta 16, Ljubljana (SI) or Nuclear Society of Slovenia, Jamova 39, Ljubljana (SI); 2 refs., 1 fig.
; 2000; [9 p.]; International Conference Nuclear Energy in Central Europe 2000; Bled (Slovenia); 11-14 Sep 2000; Also available from Slovenian Nuclear Safety Administration, Zelezna cesta 16, Ljubljana (SI) or Nuclear Society of Slovenia, Jamova 39, Ljubljana (SI); 2 refs., 1 fig.