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Calculate the value of Crest factor if Vpeak=141 V and Vr.m.s=100 V for sinusoidal voltage.

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Calculate the value of Crest factor if Vpeak=141 V and Vr.m.s=100 V for sinusoidal voltage.

(a) 1.41

(b) 2.38

(c) 4.42

(d) 5.58

This question was posed to me in final exam.

My question comes from Solid State Controlled Drives topic in chapter Introduction to Solid State Controlled Drives of Electric Drives

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The correct answer is (a) 1.41

Explanation: The value of the crest factor is Vpeak÷Vr.m.s=141÷100=1.41. It signifies the peak value is 1.41 times than the r.m.s value.

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