Dynamic Characteristics Analysis on MHTGR Plant’s Secondary Side Fluid Flow Network - Journal of Power and Energy Engineering

JPEE > Vol.4 No.7, July 2016

Journal of Power and Energy Engineering

Volume 4, Issue 7 (July 2016)

ISSN Print: 2327-588X ISSN Online: 2327-5901

Google-based Impact Factor: 1.46 Citations

Dynamic Characteristics Analysis on MHTGR Plant’s Secondary Side Fluid Flow Network ()

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DOI: 10.4236/jpee.2016.47003 1,574 Downloads 2,364 Views Citations

Author(s)

Maoxuan Song, Zhe Dong

Affiliation(s)

Institute of Nuclear and New Energy Technology, Collaborative Innovation Center of Advanced Nuclear Energy Technology of China, Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education, Tsinghua University, Beijing, China.

ABSTRACT

Multipe NSSS (Nuclear Steam Supply System) modules use the common feeding-water system to drive the common turbine power generation set. The SSFFN (secondary side fluid flow network) of MHTGR plant has features i.e. strong-coupling and nonlinearity. A wide range of power switching operation will cause unsteady flow, which may destroy the working elements and will be a threat for normal operation. To overcome those problems, a differential-algebraic model and PI controllers are designed for the SSFFN. In MATLAB\SIMULINK environment, a simulation platform is established and used to make a simulation of SSFFN of a MHTGR plant with two NSSS modules, which uses feedwater valves to control the mass flow rate in each module instead of feedwater pump. Results reflect good robustness of controllers.

KEYWORDS

MHTGR Plant, Secondary Side Fluid Flow Network, a Differential-Algebraic Model, PI Controllers

Share and Cite:

Song, M. and Dong, Z. (2016) Dynamic Characteristics Analysis on MHTGR Plant’s Secondary Side Fluid Flow Network. Journal of Power and Energy Engineering, 4, 15-22. doi: 10.4236/jpee.2016.47003.

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