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Electronics and Communication Engineering - Power Electronics

Exercise : Power Electronics - Section 5
11.
Surge current rating of an SCR is
the maximum repetitive surge current in which the SCR can withstand
the maximum non-repetitive surge current in which the SCR can withstand
the maximum repetitive or non repetitive surge current in which the SCR can withstand
the maximum surge current in which the SCR can withstand if both surge current and steady current exist together
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which of the following devices has metal-silicon junction?
General purpose power diode
Schottky diode
SCR
MOSFET
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In a single phase full wave converter (M-2 connection) feeding on R-L load the input voltage is v = Vm sin ωt. The expression for rms output voltage is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A dc chopper is feeding an RLE load. The condition for maximum ripple is
a = 1
a = 0.8
a = 0.5
a < 0.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
In a series inverter
the commutating elements L and C are in parallel
the commutating elements L and C are in series with load
the commutating L and C may be in series or parallel with the load
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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