What is minmum firing angle for three phase thyristor

Question: What is minimum firing angle for three-phase thyristor?

Answer: The minimum firing angle for three-phase thyristor is 30 degrees. Because under that angle the thyristor is already reverse biased by the third thyristor that is already conducting.

If firing angle is between 0 to 30 the circuit works in continuous conduction mode.

Reference:

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