Improving the Performance of a Semitransparent BIPV by Using High-Reflectivity Heat Insulation Film

Table 4

Results of tests of electrical characteristics in STC for initial states of the original transparent PV module: (a) front side and (b) back side.

(a)

Test item	Tandem laser module	Tandem TCO module	a-Si TCO module
Module efficiency (%)	8.184	8.11	7.78
Maximum power output (W)	126.029	124.843	119.796
Open circuit voltage (V)	167.382	171.629	111.606
Short circuit current (A)	1.133	1.038	1.595
Maximum voltage (V)	131.026	140.561	86.939
Maximum electric current (A)	0.962	0.888	1.378
Fill factor	0.6644	0.7008	0.6731

(b)

Test item	Tandem laser module	Tandem TCO module	a-Si TCO module
Module efficiency (%)	0.066	0.723	5.361
Maximum power output (W)	1.019	11.134	82.566
Open circuit voltage (V)	109.965	156.555	108.648
Short circuit current (A)	0.026	0.108	1.213
Maximum voltage (V)	40.348	132.561	83.918
Maximum electric current (A)	0.025	0.084	0.984
Fill factor	0.3506	0.6576	0.6264