IMPLEMENTATION OF THE SPINLINE 3 DIVERSE PROTECTION SYSTEM ATTHE IGNALINA RBMK 1500 UNIT TWO NUCLEAR POWER PLANT

摘要

The Implementation of the Diverse Protection System at the IGNALINA RBMK 1500 Unit 2 nuclear power planrnis presented with a special focus on the SPINLINE 3-based safety Instrumentation and Control (I&C) systems. Thernfollowing matters are further discussed in this paper:rn Ignalina protection system architecture, including the existing system and the new system,rn Neutron detectors and instrumentation implemented as part of the DSS,rn SPINLINE 3 safety digital technology,rn Requirements, implementation and V&V of the DSS software,rn Ignalina safety case, in reference to IEC 61508 SIL2rn Key milestones and significant events