The electrical characteristics of the TE modules were tested in
steady state and dynamic conditions by using steps of the electric
heat power from 0 to 150 W.
A rheostat was connected to the TE modules as a load, and the
resistance RL set at different values in the range 1–10 U (Fig. 4). The
measured power Po that can be produced by one TE module as
a function of the electric load RL is shown in Fig. 5. The temperature
difference (DT) between the hot side and cold side of the TE module
is about 100 C.