Thermoelectric Module Performance: two_stage_cascade
Thermoelectric module (TEC/TEG) performance — Peltier cooler COP, cooling capacity, and voltage at various delta-T and hot-side temperatures, plus thermoelectric material properties (ZT, Seebeck coefficient)
| module category | operating point | COP | Imax A (A) | Qmax W (W) | Vmax V (V) | ZT | cooling capacity W (W) | current A (A) | delta T C (C) | delta Tmax C (C) | hot side temp C (C) | input power W (W) | material | module size mm | notes | voltage V (V) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| two_stage_cascade | 27#0 | 0.4 | 4 | 18 | 30.5 | 0.8 | 18 | 3 | 0 | 100 | 27 | 45 | Bi2Te3 | 40x40 | Two-stage (cascade) module: lower stage 40x40mm. Upper stage smaller. dT=0, Th=300K. Qmax limited by upper (cold) stage. COP significantly lower than single-stage due to series power stacking. | 15 |
| two_stage_cascade | 27#100 | 0 | 4 | 18 | 30.5 | 0.8 | 0 | 4 | 100 | 100 | 27 | 75 | Bi2Te3 | 40x40 | dT=dTmax=100K at Th=300K for two-stage cascade. Zero net cooling. | 18.8 |
| two_stage_cascade | 27#20 | 0.24 | 4 | 18 | 30.5 | 0.8 | 12.6 | 3.5 | 20 | 100 | 27 | 52.5 | Bi2Te3 | 40x40 | dT=20K, Th=300K, two-stage cascade. | 15 |
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