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Thermal power
x
10
4
3
2.5
2
1.5
1
0.5
0
0
0.5
1
1.5
2
2.5
x 10
5
Time [s]
Fig. 51 Pellet boiler power evolution in winter regime, model 1
Residence temperature
22
21.8
21.6
21.4
21.2
21
0
0.5
1
1.5
2
2.5
x 10
5
Time [s]
Fig. 52 Temperature evolution inside the residence in winter regime, model 1
4.4.2 Modeling and Numerical Simulation of the System in Summer
Regime
The simulation scheme of the system is presented in Fig.
53
. Two new blocks are
added:
the block for the calculus of the power necessary to the operation of the air
conditioning equipment. Depending on the temperatures imposed on the
external environment, this block achieves the energetic balance of the building
and provides the power necessary to the air conditioning equipment;
the block for the calculus of the power provided by the solar collector.
The sources which supply the electrical subsystem are: the Stirling engine,
controlled by the voltage controller, and the PV source. The graphs of the power
variation of the two sources are given in Figs.
54
and
55
, respectively.
The electrical load has the components presented in Sect.
4.3.1
.B. The graph of
the consumed electrical power took into consideration that some equipments
operate according to a daily schedule as follows:
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