GATE EE 2016 Set 2 — Question 64
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Electrical & Electronic Measurements → Electrical Quantity Measurement → Induction Energy Meters
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Question
An energy meter, having meter constant of revolutions/kWh, makes revolutions in seconds for a constant load. The load, in kW, is _____________.
Correct answer
1.9 to 2.1
Solution
Given:
Meter constant () = revolutions/kWh
Number of revolutions () =
Time () = seconds = hours = hoursEnergy consumed () is calculated as:The load (Power ) is the energy consumed per unit time:The value 2 kW falls within the specified range of 1.9 to 2.1.
Meter constant () = revolutions/kWh
Number of revolutions () =
Time () = seconds = hours = hoursEnergy consumed () is calculated as:The load (Power ) is the energy consumed per unit time:The value 2 kW falls within the specified range of 1.9 to 2.1.
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