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Electronics and Communication Engineering - Power Electronics

Exercise : Power Electronics - Section 7
11.
The commutation method in an inverter, is
line commutation
forced commutation
either (a) or (b)
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Inverters find applications in
HVDC transmission
UPS
variable speed ac drives
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
When a thyristor is conducting, the voltage drop across it is about
1 V
10 V
100 V
0.1 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The use of free wheeling diode in controlled rectifier improves the waveshape of load current.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
As the firing of a thyristor is delayed, the output voltage of a controlled rectifier decreases.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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