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Calculate the value of the duty cycle if the system is on for 1 sec and off for 17 sec.

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Calculate the value of the duty cycle if the system is on for 1 sec and off for 17 sec.

(a) .055

(b) .781

(c) .484

(d) .947

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Enquiry is from Solid State Controlled Drives topic in division Introduction to Solid State Controlled Drives of Electric Drives

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The correct answer is (a) .055

For explanation I would say: 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÷18=.055.

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