Search - Number 15 - ANALYSIS OF PORV FAILURE TO CLOSE AT RIVNE-3 ON 22.09.2009

ANALYSIS OF PORV FAILURE TO CLOSE AT RIVNE-3 ON 22.09.2009
Cover not present ANALYSIS OF PORV FAILURE TO CLOSE AT RIVNE-3 ON 22.09.2009
Category: Number 15
Publication: 15
Summary

The article presents the main results of the analysis of the famous incident at Unit 3 of Rivne NPP, concerned with unclosing (after opening) of the pilot operated relief valve (PORV) of pressurizer during pe-riodic testing. It was determined the main causes of this event and showed that rules and standards for nu-clear and radiation safety had not been violated in this case.
Keywords: pulse preventing device, safety valve, pressurizer, nuclear and radiation safety.