Improving the Electrical Parameters of a Photovoltaic Panel by Means of an Induced or Forced Air Stream

Table 1

Sensors description.

Sensor model	Characteristics
B Class Precision Pt100 Probes	(i) Measure the temperature of the panel
	(ii) Manufacturer: TC direct
	(iii) Range: −50–150°C
	(iv) Accuracy: ±0.5100°C
A Class Precision Pt100 Probes	(i) Measure the temperature of the air flow
	(ii) Manufacturer: TC direct
	(iii) Range: −50–250°C
	(iv) Accuracy: ±0.3600°C
Hot Film Anemometers EE66-C	(i) Measure the air velocity, natural convection
	(ii) Manufacturer: E+E electronik
	(iii) Range: 0–2 m/s
	(iv) Accuracy: ±(0.06 m/s + 2%)
Hot Film Anemometers EE65-C	(i) Measure the air velocity, forced convection
	(ii) Manufacturer: E+E electronik
	(iii) Range: 0–20 m/s
	(iv) Accuracy: ±(0.2 m/s + 3%)
Precision Pyranometer; PSP	(i) Measure the global radiation
	(ii) Manufacturer: EPPLEY Precision Spectral Pyranometer (PSP)
	(iii) Range: 0–1200 W/m^2
Electronik Load	(i) Electronic governor
	(ii) Obtain the 𝐼---𝑉 characteristic curve
	(iii) Manufacturer: Universidad Politécnica de Cartagena
	(iv) Range: 0–100 V; 0–10 A
	(v) Accuracy: ±5 mV; ±5.4 mA
Data Logger 34980A	(i) Data acquisition system
	(ii) Collect and register data
	(iii) Manufacturer: Agilent
	(iv) Accuracy (%reading + %range): Depending on type of input
	Temperature sensors: ±0.0060°C
	Anemometers: 0.0050% + 0.0005%
	PV Panel voltage: 0.0035% + 0.0005%
	PV Panel current: 0.0050% + 0.0005%
	Pyranometer: 0.0050% + 0.0005%