Abstract
Chapter 8 considers design principles of Overall Instrumentation and Control (OI&C) systems implemented at Ukrainian NPPs. The first section provides brief information on controlled objects—power units with reactors WWER, which are operated at Ukrainian NPPs. The main principles and features for modernization of OI&C systems and their components in NPPs in Ukraine that were generated in 2000-2011 are further provided. The third section is dedicated to the architecture of OI&C systems that control technological processes on these power units. After that, the central part of this architecture, a group of the most closely connected individual Instrumentation and Control (further, I&C) systems, for which the general term “reactor control and protection system” is used in Ukraine and Russia, is considered in detail. The purpose, composition, and structure of a modernized reactor control and protection system that are implemented at Ukrainian NPPs with WWER reactors are provided.
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