Development of a digital turbine control system in a nuclear power plant |
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Authors: | In-Kyu Choi Jong-An Kim Chang-Ki Jeong Joo-Hee Woo Ji-Young Choi Gihun Son |
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Affiliation: | (1) Korea Electric Power Research Institute, 65 Munjiro, Yuseong-gu, Daejeon, 305-380, Korea;(2) Department of Mechanical Engineering, Sogang University, 1 Sinsu-dong, Mapo-gu, Seoul, 121-742, Korea |
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Abstract: | A digital turbine control system (TCS) has been developed for retrofitting an old analog TCS in a nuclear power plant. The
developed TCS, which controls the speed of a turbine and the power load of a generator, is based on a triple modular redundant
structure to ensure the system reliability. In addition, a turbine simulator has been developed to verify the perfection of
the TCS prior to its actual installation. The simulator is composed of a graphic editor, a component model builder, and a
system simulation solver. The tested TCS has been successfully applied to a CANDU type nuclear power plant. This paper describes
major features of the developed TCS and the turbine simulator including thermal-hydraulic models. Also, the simulation result
in a laboratory is compared with the pre startup simulation and the actual operation result.
Recommended by Editor Hyun Seok Yang.
In-Kyu Choi was born in Jeonjoo, Korea in 1967. He obtained his Master’s degree in Electrical Engineering from Chungnam National University
in 2004. His research interests include control in power plant machines such as boilers, drums, turbines, and generators.
He is now a Senior Member of the KEPCO Research Institute.
Jong-An Kim received the B.S. degree in Electronic Engineering from Won-Kwang University, Ik-San, Korea in 1985. He joined the Korea
Electric Power Corporation (KEPCO) in 1976, and has mainly worked in the control systems engineering areas of power plants.
He is now a Principal Engineer in the Korea Electric Power Research Institute (KEPRI) and his research interests include the
design of power plant control systems as well as new technology development.
Chang-Ki Jeong was born in Daejeon, Korea in 1956. He obtained his Master’s degree in Electrical Engineering from Daejeon Industry College
in 1998. His research interests include control in power plant machines such as boilers, drums, turbines, and generators.
He is a Principal Member of the KEPCO Research Institute.
Joo-Hee Woo was born in Sangjoo, Korea in 1970. He obtained his Master’s degree in Electrical Engineering from Kyungbook National University
in 1995. His research interests include control in power plant machines such as boilers, drums, turbines, and generators.
He is now a Senior Member of the KEPCO Research Institute.
Ji-Young Choi received the B.S. degree in Mechanical Engineering from Sogang University in 2005. He is a graduate student of the Department
of Mechanical Engineering at Sogang University in Seoul, Korea. Choi’s research interests are in the areas of heat transfer,
PEM fuel cells, and microfluidics.
Gihun Son received the B.S. and M.S. degrees in Mechanical Engineering from Seoul National University in 1986 and 1988, respectively.
He obtained the Ph.D. degree in Mechanical Engineering from UCLA in 1996. Dr. Son is currently a Professor in the Department
of Mechanical Engineering at Sogang University in Seoul, Korea. His research interests are in the areas of multiphase dynamics,
heat transfer, and power system simulation. |
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Keywords: | Nuclear power plant thermal-hydraulic model turbine control system turbine simulator |
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