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Calculate the value of the duty cycle if the system is on for 5 sec and off for inf sec.

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in Electric Drives by (99.8k points)
Calculate the value of the duty cycle if the system is on for 5 sec and off for inf sec.

(a) 0

(b) .4

(c) .2

(d) .1

The question was asked at a job interview.

Query is from Induction Motors in division Speed Control of Direct Current Motors & Induction Motors of Electric Drives

1 Answer

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Correct choice is (a) 0

The explanation: Duty cycle is Ton÷Ttotal. It is the ratio of time for which the system is active and the time taken by the signal to complete one cycle. D = Ton÷Ttotal=5÷inf=0.

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