A study on the dynamic characteristics of the secondary loop in nuclear power plant

J. ZHANG; S. S. Yin; L. Chen; Y. C. Ma; M. J. WANG; H.FU; Y. W. WU; W.X.TIAN; S.Z.QIU; G.H. SU

doi:https://doi.org/10.1016/j.net.2020.11.014

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자료유형: 학술저널

저자정보: J. ZHANG (Xi’an Jiaotong University) S. S. Yin (Science and Technology on Reactor System DesigScience and Technology on Reactor System Designn Tech) L. Chen (Xi’an Jiaotong University) Y. C. Ma (Xi’an Jiaotong University) M. J. WANG (Xi’an Jiaotong University) H.FU (Xi’an Jiaotong University) Y. W. WU (Xi’an Jiaotong University) W.X.TIAN (Xi’an Jiaotong University) S.Z.QIU (Xi’an Jiaotong University) G.H. SU (Xi’an Jiaotong University)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제5호

발행연도: 2021.5

수록면: 1,436 - 1,445 (10page)

DOI: https://doi.org/10.1016/j.net.2020.11.014

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To obtain the dynamic characteristics of reactor secondary circuit under transient conditions, the system analysis program was developed in this study, where dynamic models of secondary circuit were established. The heat transfer process and the mechanical energy transfer process are modularized. Models of main equipment were built, including main turbine, condenser, steam pipe and feedwater system. The established models were verified by design value. The simulation of the secondary circuit system was conducted based on the verified models. The system response and characteristics were investigated based on the parameter transients under emergency shutdown and overload. Various operating conditions like turbine emergency shutdown and overspeed, condenser high water level, ejector failures were studied. The secondary circuit system ensures sufficient design margin to withstand the pressure and flow fluctuations. The adjustment of exhaust valve group could maintain the system pressure within a safe range, at the expense of steam quality. The condenser could rapidly take out most heat to avoid overpressure.

#Dynamic characteristics #The secondary loop #Turbine Condenser

참고문헌 (17)

참고문헌 신청

T. S. Kim / 2001 / Characteristics of transient operation of a dualpressure bottoming system for the combined cycle power plant / Energy 26(10):905~918

A. Elshahat / 2014 / Simulation of the westinghouse AP1000 response to SBLOCA using RELAP/SCDAPSIM / International Journal of Nuclear Energy 2014:1~9

J. Pack / 2015 / Modeling primary and secondary coolant of a nuclear power plant system with a unique framework(MCUF) / Prog. Nucl. Energy 83:197~211

N. E. Todreas / 1989 / Nuclear System I Thermal Hydraulic Fundamentals / HEMISPHERE PUBLISHING CORPORATION

T. T. H. Group / 1998 / RELAP5/MOD3 CODE MANUAL, vol. I

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