VIRTUAL LABORATORY / EXPERIMENT 01

Solar I–V Characterization

Explore how light, heat and electrical loading alter photovoltaic output.

WEBGL2 · REAL-TIME

EXPERIMENT RUNNINGPV-12 SINGLE-DIODE MODULE

⌖ DRAG TO ORBIT / SCROLL TO ZOOM

INSTANTANEOUS OUTPUT

— W

— % efficiency

LOAD VOLTAGE

— V

CIRCUIT CURRENT

— A

DELIVERED POWER

— W

MAX EFFICIENCY

— %

LIVE CHARACTERIZATION

Response curves / 01

FIRST-QUADRANT MODEL

CURRENT (A) POWER (W) MEASURED POINTS

OPEN CIRCUIT— VV_OC

SHORT CIRCUIT— AI_SC

MAXIMUM POWER— WP_MP

FILL FACTOR— %FF

EXPERIMENT CONTROLS

Configure conditions

Change a parameter and observe the actual electrical operating point.

Irradiance source900 W/m²

0 W/m²1400 W/m²

Cell temperature25 °C

−20 °C100 °C

Thermostatted cell temperature setpoint

Incidence angle18°

0° · normal90° · grazing

Cosine-law beam projection; no diffuse light

Resistive load3.20 Ω

0.05 Ω10 kΩ

Logarithmic slider · V = I × R operating point

AUTOMATED TEST SEQUENCELoad sweep acquisition

Measure operating points from near short-circuit toward open-circuit.

READY TO ACQUIRE0 POINTS

ⓘEngineering teaching model. Quasi-static single-diode IV physics, resistive load and first-order instrument responses. Not a calibrated PV testing standard.