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Related Experiment Videos

Simulation modeling of nuclear steam generator water level process--a case study

Zhao1, Ou, Du

  • 1Department of Control Science and Engineering, Zhejiang University, Hangzhou, PR China. lictzft@hotmail.com

ISA Transactions
|June 28, 2000
PubMed
Summary
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This study presents a simple yet accurate simulation model for the nuclear steam generator (SG) water level process at Qinshan Nuclear Power Plant (QNPP). The validated model accurately reflects dynamic characteristics and aids in advanced control system design.

Area of Science:

  • Nuclear Engineering
  • Control Systems Engineering
  • Process Simulation

Background:

  • Accurate modeling of nuclear steam generator (SG) water level is crucial for safe and efficient plant operation.
  • Existing models may lack the simplicity required for practical control engineering implementation.

Purpose of the Study:

  • To develop a simple and accurate simulation model for the SG water level process at Qinshan Nuclear Power Plant (QNPP).
  • To validate the model's ability to represent the main dynamic characteristics of the SG water level process.

Main Methods:

  • Developed a transfer function model based on first-principles analysis and expert experience.
  • Identified model parameters using historical response data from the existing closed-loop control system.
  • Verified the model using process dimensional data and experimental tests.

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Main Results:

  • The simulation model accurately depicts the main dynamic characteristics of the SG water level process.
  • Model predictions align with field-recorded response curves.
  • The model successfully represents the SG water level dynamics.

Conclusions:

  • The developed simulation model is suitable for control engineering applications in nuclear power plants.
  • The model has been successfully applied to the design and testing of an advanced digital feedwater control system at QNPP.