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Three phase converters are employed for _______________

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in DC Machines by (506k points)
Three phase converters are employed for _______________

(a) Large kW motors

(b) Small kW motors

(c) In all motors

(d) Never used

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The origin of the question is DC Motor Control Through Converters in division Motor Control by Static Power Converters of DC Machines

1 Answer

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Correct option is (a) Large kW motors

The explanation is: Three phase converters are employed when DC motor of very high ratings is used. In three phase converters, the advantage is the ripple frequency of the motor terminal voltage is generally higher than that in single-phase converters.

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