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Analysis of Transient Interactions between a PWR Nuclear Power Plant and a Faulted Electricity Grid

Author

Listed:
  • Vineet Vajpayee

    (School of Energy and Electronic Engineering, University of Portsmouth, Portsmouth PO1 3DJ, UK)

  • Elif Top

    (School of Energy and Electronic Engineering, University of Portsmouth, Portsmouth PO1 3DJ, UK)

  • Victor M. Becerra

    (School of Energy and Electronic Engineering, University of Portsmouth, Portsmouth PO1 3DJ, UK)

Abstract

This paper presents the transient stability analysis of a pressurised water-type nuclear power plant following faults and disturbances affecting the electricity grid to which it is connected. The modelled nuclear plant consists of various integrated subsystems, such as core neutronics and thermal-hydraulics, piping and plenum, pressuriser, steam generator, turbine, governor, and dynamics shaft, in addition to the turbine-speed controller. The nonlinear nuclear power plant model is linearised at the operating point to acquire a linear model for controller design. The turbine-speed control loop effectively enacts a closed-loop implementation of the nuclear power plant connected to the electric grid. The various transient stability enhancement components such as the power system stabiliser, static var compensator, and static synchronous compensator are employed to test performance during severe contingencies. The interaction between the nuclear power plant, electric grid, and protection system is studied under various scenarios such as single-phase fault, three-phase fault, and permanent load loss. The performance of the nonlinear plant is further observed during load-following operation. The dynamic behaviour of the overall system is analysed using simulations in the MATLAB/Simulink/Simscape environment.

Suggested Citation

  • Vineet Vajpayee & Elif Top & Victor M. Becerra, 2021. "Analysis of Transient Interactions between a PWR Nuclear Power Plant and a Faulted Electricity Grid," Energies, MDPI, vol. 14(6), pages 1-31, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:6:p:1573-:d:515657
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    References listed on IDEAS

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    1. Li Wang & Jie Zhao & Dichen Liu & Yi Lin & Yu Zhao & Zhangsui Lin & Ting Zhao & Yong Lei, 2017. "Parameter Identification with the Random Perturbation Particle Swarm Optimization Method and Sensitivity Analysis of an Advanced Pressurized Water Reactor Nuclear Power Plant Model for Power Systems," Energies, MDPI, vol. 10(2), pages 1-22, February.
    2. Guoyang Wu & Ping Ju & Xinli Song & Chenglong Xie & Wuzhi Zhong, 2016. "Interaction and Coordination among Nuclear Power Plants, Power Grids and Their Protection Systems," Energies, MDPI, vol. 9(4), pages 1-24, April.
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    Cited by:

    1. Paweł Sokólski & Tomasz A. Rutkowski & Bartosz Ceran & Dariusz Horla & Daria Złotecka, 2021. "Power System Stabilizer as a Part of a Generator MPC Adaptive Predictive Control System," Energies, MDPI, vol. 14(20), pages 1-25, October.

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