Environmental Engineering Reference
In-Depth Information
Chapter 8
Overall Instrumentation
and Control Systems
Yuri Rozen
State Scientiic and Technical Centre for Nuclear and Radiation Safety, Ukraine
Grygoriy Gromov
State Scientiic and Technical Centre for Nuclear and Radiation Safety, Ukraine
Vladislav Inyushev
State Scientiic and Technical Centre for Nuclear and Radiation Safety, Ukraine
ABSTRACT
Chapter 8 considers design principles of Overall Instrumentation and Control (OI&C) systems imple-
mented at Ukrainian NPPs. The irst 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 consid-
ered 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.
INTRODUCTION
automatic control of technological processes and
safety systems, automatic protection of systems,
equipment and power unit as a whole, and also
monitor that limits of its safe operation are not
exceeded, is introduced. In international standards
(IEC, 2011), the concept of overall instrumentation
and control (OI&C) system that denotes a complete
set of all individual instrumentation and control
systems of a power unit and covers normal opera-
Ukrainian and Russian specialists of different
branches of industry, including atomic energy,
widely use the term “Automated Process Con-
trol System” (APCS). In regulation NP, 2008
an implicitly close term “automated monitoring
and control system of power unit technological
processes” that should provide remote and / or
Search WWH ::
Custom Search