Approach for the adaptations of a nuclear reactor model towards more flexibility in a context of high insertion of renewable energies

Fuel Cycle Simulation TWoFCS 2021

Open Access

Table 4

Comparison of indicators for two constrained transients with a magnitude of 10%Pn.

Unit	Reference case–5%Pn/min	Stressed ramp–10%Pn/min	Stressed ramp –15%Pn/min
MW/s	3.25 (5.01%Pn/min)	5.41 (-8.34%Pn/min)	6.39 (-12.86%Pn/min)
s	166	113	99
°C/s	0.41	0.64	0.80
°C/s	0.01	0.02	0.04
°C/s	0.03	0.07	0.10
pcm	76	69^*	61^*

The reactivity balance between the different cases is slightly different because the balance of the temperatures in the core are modified as a function of the transient.

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