1
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
A solar energy installation utilize a three – phase bridge converter to feed energy into power system through a transformer of $$400V/400 V,$$ as shown below. The energy is collected in a bank of $$400$$ $$V$$ battery and is connected to converter through a large filter choke of resistance $$10\Omega$$.

The $$kVA$$ rating of the input transformer is

A
$$53.2kVA$$
B
$$46.0kVA$$
C
$$22.6kVA$$
D
None
2
GATE EE 2011
MCQ (Single Correct Answer)
+2
-0.6
A solar energy installation utilize a three – phase bridge converter to feed energy into power system through a transformer of $$400V/400 V,$$ as shown below. The energy is collected in a bank of $$400$$ $$V$$ battery and is connected to converter through a large filter choke of resistance $$10\Omega$$.

The maximum current through the battery will be

A
$$14$$ $$A$$
B
$$40$$ $$A$$
C
$$80$$ $$A$$
D
$$94$$ $$A$$
3
GATE EE 2009
MCQ (Single Correct Answer)
+2
-0.6
The circuit shows an ideal diode connected to a pure inductor and is connected to a purely sinusoidal $$50$$ $$Hz$$ voltage source. Under ideal condition the current waveform through the indicator will look like
A
B
C
D
4
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
A single phase full bridge converter supplies a load drawing constant and ripple free load current. If the triggering angle is $${30^ \circ },$$ the input power factor will be
A
$$0.65$$
B
$$0.78$$
C
$$0.85$$
D
$$0.866$$
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