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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 97 - 106 (10page)
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초록· 키워드
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Improved load-following capability is one of the most important technical tasks of a pressurized waterreactor. Controlling the nuclear reactor core during load-following operation leads to some difficulties. These difficulties mainly arise from nuclear reactor core limitations in local power peaking: the core issubjected to sharp and large variation of local power density during transients. Axial offset (AO) is theparameter usually used to represent the core power peaking. One of the important local power peakingcomponents in nuclear reactors is axial power peaking, which continuously changes. The main challengeof nuclear reactor control during load-following operation is to maintain the AO within acceptable limits,at a certain reference target value. This article proposes a new robust approach to AO control of pressurized water reactors during loadfollowingoperation. This method uses robust feedback-linearization control based on the multipointkinetics reactor model (neutronic and thermal-hydraulic). In this model, the reactor core is divided intofour nodes along the reactor axis. Simulation results show that this method improves the reactor loadfollowingcapability in the presence of parameter uncertainty and disturbances and can use optimumcontrol rod groups to maneuver with variable overlapping.
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참고문헌 (21)
참고문헌 신청
H. Anglart / 2011 / Nuclear Reactor Dynamics and Stability Lecture
G.R. Ansarifar / 2016 / Control of the nuclear steam generators using adaptive dynamic sliding mode method based on the nonlinear model / Ann. Nucl. Energy 88:280~300
G.R. Ansarifar / 2015 / Sliding mode control design for a PWR nuclear reactor using sliding mode observer during load-following operation / Ann. Nucl. Energy 75:611~619
R. Avery / 1958 / Theory of coupled reactors / proceedings of the 2nd U.N. International conference peaceful uses at. Energy 12:182~191
M. Boroushaki / 2004 / Axial offset control of PWR nuclear reactor core using intelligent techniques / Nucl. Eng. Des. 227:285~300
G.R. Ansarifar / 2016 / Control of the nuclear steam generators using adaptive dynamic sliding mode method based on the nonlinear model / Ann. Nucl. Energy 88:280~300
G.R. Ansarifar / 2015 / Sliding mode control design for a PWR nuclear reactor using sliding mode observer during load-following operation / Ann. Nucl. Energy 75:611~619
R. Avery / 1958 / Theory of coupled reactors / proceedings of the 2nd U.N. International conference peaceful uses at. Energy 12:182~191
M. Boroushaki / 2004 / Axial offset control of PWR nuclear reactor core using intelligent techniques / Nucl. Eng. Des. 227:285~300
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