1
GATE EE 1997
Fill in the Blanks
+2
-0
For the circuit shown in Fig, the wattmeter reading will be .... W and the power dissipted in the load is ......W GATE EE 1997 Electrical and Electronics Measurement - Measurement of Energy and Power Question 2 English
2
GATE EE 1997
MCQ (Single Correct Answer)
+1
-0.3
If an induction machine is run at above synchronous speed, it acts as
A
a synchronous motor
B
an induction generator
C
an induction motor
D
none of the above
3
GATE EE 1997
Fill in the Blanks
+2
-0
A single-phase alternator has a synchronous reactance of $$2$$ $$ohms$$ and negligible resistance. If it supplies $$10$$ $$A$$ to a purely capacitive load at $$200V,$$ then generated $$e.m.f$$ will be ... $$V$$ and the regulation will be ...... $$\% $$
4
GATE EE 1997
Subjective
+5
-0
A $$5MVA$$, $$11kV$$, $$3$$-phase star connected alternator is synchronized to the bus bars and is operating with an induced $$EMF$$ of $$125\% $$ of the rated voltage. If the load current is $$500$$ $$A,$$ what is the power factor of operation? The machine has a synchronous reactance of $$5\,\,\Omega $$ and negligible resistance per phase.
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