NPTEL Smart Grid: Basics to Advanced Technologies Week 2 Assignment Answers 2024
Q1. Irradiance is measured in:
Watt per meter
Kilo watt per kilometre
Watt per feet
Watt per meter square
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Q2. Solar Charge Controllers:
Prevents battery overcharge
Blocks reverse current
Prevent electrical overload
All of these
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Q3. The amount of power available in the wind at any instant is proportional to _ of the wind speed.
Square root power of two
Square root power of three
Square power
Cube power
Answer:-
Q4. A PV array has the open circuit voltage 370V, short circuit current 28 A and maximum power is 8kW then find the fill factor
0.66
0.55
0.77
0.88
Answer:-
Q5. What is the most expensive part of a PV system?
Battery storage system
Wirings and cables
PV array
None of these
Answer:-
Q6. Nacelle does not consist which of the following?
Gear box
High-speed shaft
Brake
Wind vane
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Q7. The main impact of series resistance is to __ the fill factor.
Increase
Decrease
Double
Multiply
Answer:-
Q8. Why is the low speed shaft connected to the gearbox?
To increase stability
To increase the rpm
To decrease the stress
None of these
Answer:-
Q9. Which is(are) not a part(s) of Remote Terminal Unit (RTU):
Data collection application (DCA)
Data translation application (DTA)
Real-time data base (RTDB) server
Historical server
Answer:-
Q10. In smart meters; which type of communication technique(s) is(are) used:
Public Switched Telephone Network (PSTN)
Ethernet
ZigBee
All of the above
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