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Electronics and Communication Engineering - Power Electronics - Discussion

Discussion Forum : Power Electronics - Section 7 (Q.No. 28)
Power Electronics
28.
A class A chopper has an input voltage of 200 V. Ton = 1.5 ms and Toff = 4.5 ms. The duty cycle, average output voltage and ripple factor respectively are
0.5, 100 V and 1
0.25, 50 V and 3
0.25, 50 V and 1
0.5, 100 V and 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.
Esaki said:   8 years ago
Ripple factor for chopper is :
Ripple Factor = sqrt( ( 1/D ) - 1 ) ; where D = duty cycle = Ton / T.
Xander ford said:   8 years ago
The Average voltage is 50, and rms voltage is 100, ripple factor is rms/average. How come it is sqrt of 3?

Please tell me if I miss something.
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