Modeling of transients of the WWER-1000 nuclear reactor taking into account boron regulation
DOI:
https://doi.org/10.20998/2079-0023.2017.51.02Keywords:
nuclear reactor, boron control, transition mode, mathematical model, model parametersAbstract
The mathematical models of the VVER-1000 reactor of the V-320 series are constructed in the form of systems of differential equations with relative state variables describing the neutron kinetics of the reactor, gradual heat release, thermal processes, and changes in the concentrations of xenon and boron. The design parameters and parameters of the VVER-1000 reactor of the V-320 series are used to calculate the constant parameters of mathematical models, taking into account boron regulation. Based on mathematical models of the reactor, by numerical integration of differential equations, transient processes for introducing boric acid into the reactor have been obtained, which allows one to analyze changes in the most important variables of the state of the reactor core.
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