The nuclear power plant Temelin with the VVER 1000 reactors was
chosen as an example for this particular simulator. The program uses
the same equipment as well as the same parameters as the Temelin power
plant. The core of the power plant simulator is the mathematics model.
This model is defined as a set of differential equations, which
defines relations among primary circuit parameters. The simulator
solves the equation set using numeric methods. The model complexity
was chosen to allow the model to run on common PC in real time or even
faster.
The simulator comprise of all key elements of the nuclear power
plant. When the program is launched, it initiates the model to be in
nominal state, which means the reactor is running at 100%. User can
then control reactor regulation elements (moderating rods, valves,
pumps, electricity transfer lines etc.) and observe the responses to
his or her actions. Simulation can be paused and resumed anytime. It
is also possible to terminate the simulation and restart it again from
the nominal state.
The program user interface contains three main panels of primary,
secondary and ternary (cooling) circuits. In addition it is possible
to display three more panels with time history of main parameters of
all three circuits. Panels switching as well as main simulation
control (start, stop, pause, resume, ...) is controlled from the
application main control panel.

Control Panel.
The simulator program was created by Ing. Jiří Punčochář for the
ČEZ a.s.
rc@mii.cz
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