WorksheetsPower Electronics for Renewable Energy systems
Total questions: 24
Worksheet time: 12mins
What was the total solar power system installed in world till 2018?
485.82 GW
484.82 GW
486.82 GW
484.82 GW
What was the installed capacity of the Solar PV in india till 2019?
37.127 GW
37.637 GW
37.627 GW
37.621 GW
Solar PV output power depends on ?
Irradiance & Temperature
Irradiance, Temperature, PV voltage and PV current
Irradiance, Temperature and wind speed
PV voltage and PV current
What is fill factor in solar PV systems?
FF=Isc⋅VocImp⋅Vmp
FF=Voc⋅VMPIsc⋅IMP
FF=IMP⋅VOCISC⋅VMP
FF=ISC⋅IMPVOC⋅VMP
Which one is correct?
solar panel output not depends on temperature
As a solar panel increases in temperature, the power output of the solar panel decreases.
As a solar panel increases in temperature, the power output of the solar panel increases.
As a solar panel decreases in temperature, the power output of the solar panel decreases.
what is the power loss of the solar panel for the following conditions: 250W monocrystalline solar panel installed on a roof is at 65 degC. (Assume standard temperature condition is 25 degC & temperature coefficient of -0.5%/degC)
40 W
30 W
50 W
45 W
what is the power output of the solar panel for the following conditions: 250W monocrystalline solar panel installed on a roof is at 60 degC. (Assume standard temperature condition is 25 degC & temperature coefficient of -0.5%/degC)
240 W
250 W
230 W
232.5 W
Calculate the fill factor of the PV panel has following details ISC=10, IMP=9, VOC=30, VMP=29?
0.67
0.97
0.87
0.77
choose correct answer for the current equation of solar array
Types of Solar Cell
Mono-SI, p-Si, A-SI
p-Si, A-SI, CVP
Mono-SI, p-Si, A-SI, CVP
Mono-SI, A-SI, CVP
Which solar cell is best for solar PV system?
Thin-Film: Amorphous Silicon Solar Panels (A-SI)
Polycrystalline Solar Panels (p-Si)
Concentrated PV Cell (CVP)
Monocrystalline Solar Panels (Mono-SI)
Monocrystalline Solar Panels (Mono-SI) is expensive
True
False
Thin-Film: Amorphous Silicon Solar Panels (A-SI) are Relatively low costs; easy to produce & flexible
True
False
What is the use of MPPT algorithm in solar PV array?
To extract the maximum voltage
To extract the maximum current
To extract the maximum power
To extract the maximum voltage and current
which converter mostly used to extract the maximum power solar panel?
AC-DC converter
DC-DC converter
AC-AC converter
Matrix converter
when maximum power extract from the source?
Source voltage equal to load voltage
Source current equal to load voltage
Source resistance equal to load resistance
None of the above
what is controlling parameter of the DC-DC converter used to extract the maximum power from solar PV array?
Load voltage of the converter
Load current of the converter
Duty cycle of the converter
none of the above
Input voltage of the buck converter is 20 volt and duty cycle is 0.9 and what is output voltage of the converter?
20 V
21 V
18 V
19 V
What is the formula for output voltage for Buck-Boost converter?
D×Vin
Vin ÷ (1-D)
D×Vin ÷ (1-D)
D×Vin ÷ (1+D)
Buck-Boost acts as Buck converter for duty cycle is equal to
0.8
0.7
0.9
0.3
The control method used for PWM dc - dc converter is
Voltage mode control
Current mode control
Hysteric control
All of these
Calculate the output voltage of the Boost converter if the supply voltage is 150 V and duty cycle value is 0.5
250
350
300
600
Calculate the output voltage of the Buck Boost converter if the supply voltage is 150 V and duty cycle value is 0.5
300
600
150
200
In which duty cycle region buck-boost converter acted as boost converter
1>Duty>0.5
0.5>Duty>0
