Design of a Load Following Controller for Apr+ Nuclear Plants

Lee, Sim Won; Kim, Jaehwan; Na, Man Gyun; Kim, Dong Su; Yu, Keuk Jong; Kim, Han Gon

doi:10.5516/net.04.2012.509

Cited by 6 publications

(2 citation statements)

References 10 publications

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“…• The relative power is controlled to its set-point, while the AO is demanded to be in a prescribed (typically, 5%) vicinity of its setpoint (Sipush et al, 1976;Meyer et al, 1978;Onoue et al, 2003;Boroushaki et al, 2004;Zhang et al, 2015). AO control may be turned off while the AO value is within the allowed interval (Lee et al, 2012). Optimization-based approaches may consider the allowed interval as a constraint in an optimization problem (Eliasi et al, 2011).…”

Section: Control Strategiesmentioning

confidence: 99%

“…The control scheme also makes use of boric acid concentration adjustment, automatically related to the power control rod movement, but does not exceed the boric acid treatment capacity. Lee et al (2012) further extends the MPC approach with a support vector regression (SVR) model to predict the future outputs based on previous inputs and outputs. SVR modelling is a machine learning approach that searches for the network weights of an artificial neural network with a kernel function by solving a non-convex unconstrained minimization problem.…”

Section: Linear Receding Horizon Control/model Predictive Controlmentioning

confidence: 99%

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An overview of power reactor kinetics and control in load-following operation modes

et al. 2023

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Previous work done on reactor kinetics and control in load-following operation modes available in open literature is reviewed. The analysis is focused on, however not limited to pressurized water reactors. Different approximations of the time-dependent neutron transport problem as well as different control algorithms are described in detail and compared. Due to lack of published information the majority of the comparisons was done on qualitative level. In order to facilitate future testing and intercomparisons of models and algorithms, two so-called reference scenarios with time-dependent power demand are defined: a scenario to test the limitations of the load-following capabilities of the nuclear facilities and a second, quasi-realistic scenario.

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