Electronics and Communication Engineering - Power Electronics

21.
A single phase full bridge inverter for R-L loads needs
4 thyristors
4 thyristors and 4 diodes
4 thyristors and 2 diodes
8 thyristors
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
In the basic series inverter circuit, the source current has
low harmonic content
high harmonic content
low or high harmonic content depending on firing angle
zero harmonic content
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
Thyristors connected in series need static and dynamic stabilizing circuits.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
In a controlled rectifier a freewheeling diode is necessary if the load is
inductive
resistive
capacitive
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
For an illumination control circuit it is advisable to use a matched TRIAC-DIAC pair.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.