Optimal Design of Pressure Control System of PWR Pressurizer Based on Digital Regulators

Qian Hong; Zhou Lei; Mao Lei

doi:10.13832/j.jnpe.2015.04.0069

Volume 36 Issue 4

Feb. 2025

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Qian Hong, Zhou Lei, Mao Lei. Optimal Design of Pressure Control System of PWR Pressurizer Based on Digital Regulators[J]. Nuclear Power Engineering, 2015, 36(4): 69-73. doi: 10.13832/j.jnpe.2015.04.0069

Citation:

Qian Hong, Zhou Lei, Mao Lei. Optimal Design of Pressure Control System of PWR Pressurizer Based on Digital Regulators[J]. Nuclear Power Engineering, 2015, 36(4): 69-73. doi: 10.13832/j.jnpe.2015.04.0069

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Optimal Design of Pressure Control System of PWR Pressurizer Based on Digital Regulators

doi: 10.13832/j.jnpe.2015.04.0069

1. Shanghai University of Electric Power, Shanghai, 200090, China;
2. Shanghai Nuclear Engineering Research & Design Institute, Shanghai, 200233, China

Received Date: 2014-11-10
Rev Recd Date: 2015-04-23

Available Online: 2025-02-15

Abstract

Abstract

Based on the pressure control system of the pressurizer with digital regulator, and according to different dynamic characteristics of the pressurizer pressure rising or reducing, a control system using a digital regulator with two sets of parameters used in control pressure of pressurizer is proposed in this paper. The design of SAMA Diagram of Control Strategy with automatic switching function was given and two sets of PI parameters of digital regulators were tuned in SIMULINK. The results verify that the design could better recover the pressure to the set point, thus the design improves the security of operation in nuclear power plants.
- Digital regulators,
- Pressure of pressuizer,
- Two sets of parameters of regulator