Power-level regulation is a key technique that provides both economic and stable operation for any nuclear reactors. Since the pressurized water reactors (PWR) are not only the most widely utilized nuclear reactors but also complex nonlinear systems, efficient nonlinear power-level control strategy is meaningful to not only the development of nuclear power technique but also the renaissance of nuclear energy. Further, since self-stability is the most crucial dynamic feature of nuclear reactors, it is necessary to give self-stability analysis which gives the means to strengthen the closed-loop stability. In this paper, a sufficient condition of globally asymptotic self-stability for PWR is firstly given. Based on this self-stability analysis, a nonlinear state-feedback power-level control law with L2 disturbance attenuation performance is then proposed. This new controller is applied to the power-level regulation of a nuclear heating reactor (NHR), and simulation results show its feasibility and high performance.
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2013 21st International Conference on Nuclear Engineering
July 29–August 2, 2013
Chengdu, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5582-9
PROCEEDINGS PAPER
Self-Stability Analysis and Nonlinear Power-Level Control for Pressurized Water Reactors Available to Purchase
Zhe Dong
Zhe Dong
Tsinghua University, Beijing, China
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Zhe Dong
Tsinghua University, Beijing, China
Paper No:
ICONE21-16023, V005T13A016; 6 pages
Published Online:
February 7, 2014
Citation
Dong, Z. "Self-Stability Analysis and Nonlinear Power-Level Control for Pressurized Water Reactors." Proceedings of the 2013 21st International Conference on Nuclear Engineering. Volume 5: Fuel Cycle, Radioactive Waste Management and Decommissioning; Reactor Physics and Transport Theory; Nuclear Education, Public Acceptance and Related Issues; Instrumentation and Controls; Fusion Engineering. Chengdu, China. July 29–August 2, 2013. V005T13A016. ASME. https://doi.org/10.1115/ICONE21-16023
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