Electronics and Communication Engineering - Power Electronics - Discussion

Discussion Forum : Power Electronics - Section 4 (Q.No. 18)
18.
In a 3 phase semiconverter, the freewheeling diode comes into operation only if firing angle
is zero
is 60°
is more than 60°
is more than 90°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Siddhartha said:   9 years ago
How? Please elaborate it with full solution.

Ken gultiano said:   6 years ago
In a three-phase system, free-wheeling diodes operate whenever the system suddenly turns off. In three-phase operating more than 60 degrees switch the system in a nonconducting state.

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