WorksheetsIntroduction to Renewable Energy Quiz
Total questions: 15
Worksheet time: 8mins
What is a PV module composed of?
Only one solar cell
Several solar cells connected together
Only inverters
Wind turbines
What happens to current when irradiance increases?
It decreases
It remains constant
It increases
It fluctuates
What is the effect of increasing temperature on voltage in a PV module?
Voltage increases
Voltage decreases
Voltage stays the same
Voltage oscillates
What is the standard irradiance used in STC?
800 W/m²
750 W/m²
1000 W/m²
1200 W/m²
Which condition represents real-world operation?
STC
NOCT
ROC
AM1.5
What does the fill factor (FF) represent?
Voltage ratio
Current ratio
Squareness of I-V curve
Irradiance quality
Which factor affects PV efficiency calculation?
Area and irradiance
Only current
Only temperature
Only voltage
Which electrical parameter is used to calculate FF?
Vmp and Imp
Voc and Isc
Both A and B
Only efficiency
What is the configuration of a PV array with 3 strings and 12 modules per string?
12x3
36x1
3x12
6x6
How is the total voltage of a PV string calculated?
Average of module voltages
Sum of module voltages
Max of module voltages
Product of module voltages
What is the role of a bypass diode?
Store extra power
Allow current flow in reverse
Allow current to bypass shaded or faulty module
Reduce power output
What is the role of a blocking diode?
Increase voltage
Prevent reverse current flow
Increase shading
None
What happens to Isc when temperature increases?
Decreases slightly
Increases slightly
Increases significantly
Remains constant
Which coefficient is used to adjust Voc based on temperature?
gammaPmp
gammaIsc
gammaVoc
gammaTemp
If derating factors are not provided, what is the default value assumed?
0
1
-1
100
