Exercise: Power Electronics

Questions for: Power Electronics

Assertion (A): The turn on time of SCR is about 1 to 4 ms.

Reason (R): The turn off time of SCR is about 10 to 300 ms.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R correct but R is not correct explanation of A
C:
A is correct but R is wrong
D:
A is wrong but R is correct
Answer: B
No answer description is available. Let's discuss.
Which converter is used in HVDC transmission?
A:
3 pulse
B:
6 pulse
C:
12 pulse
D:
24 pulse
Answer: C
No answer description is available. Let's discuss.
McMurray Bedford full bridge inverter uses
A:
natural commutation
B:
auxiliary commutation
C:
complementary commutation
D:
any of the above
Answer: C
No answer description is available. Let's discuss.
A single phase half wave rectifier circuit has a free wheeling diode. The free wheeling diode will conduct only if
A:
load is purely resistive
B:
load is purely inductive
C:
load is combination of R and L
D:
load is purely inductive or combination of R and L
Answer: D
No answer description is available. Let's discuss.
In a thyristor the gate lead is connected to the n layer near the p layer to which anode is connected.
A:
True
B:
False
C:
D:
Answer: B
No answer description is available. Let's discuss.
Ad Slot (Above Pagination)
Quiz