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How many thyristors does we need in half wave converter?

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in DC Machines by (506k points)
How many thyristors does we need in half wave converter?

(a) 1

(b) 2

(c) 3

(d) Many

I got this question during an interview.

My query is from DC Motor Control Through Converters in division Motor Control by Static Power Converters of DC Machines

1 Answer

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Best answer
Right choice is (a) 1

To elaborate: Only one thyristor is sufficient for the half wave converter purpose, this is employed for small motors only. This thyristor is connected to the single-phase AC supply and with parallel combination of free-wheeling diode with motor armature.

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