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Calculate the value of the duty cycle if the system is on for 1 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 1 sec and off for inf sec.

(a) 0

(b) .89

(c) .148

(d) .46

I got this question in an internship interview.

My question is based upon Induction Motors topic in portion Speed Control of Direct Current Motors & Induction Motors of Electric Drives

1 Answer

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The correct choice is (a) 0

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=1÷inf = 0.

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