- Given that the duty cycle of a lossless boost converter changes following d = 0.002-sin(wt) + 0.3, t represents time and w represents angular frequency that equals 2n fripple fripple = 120 Hz, and output voltage V, is fixed at 100 V, 1. Please show the feasible range of input voltage Vin 2. For 20 s
- Given that the duty cycle of a lossless boost converter changes following d = 0.002-sin(wt) + 0.3, t represents time and w represents angular frequency that equals 2n fripple fripple = 120 Hz, and output voltage V, is fixed at 100 V, 1. Please show the feasible range of input voltage Vin 2. For 20 s
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Transcribed Image Text:- Given that the duty cycle of a lossless boost converter changes following d =
0.002-sin(wt) + 0.3, t represents time and w represents angular frequency that
equals 2n frippler fripple = 120 Hz, and output voltage V, is fixed at 100 V,
1. Please show the feasible range of input voltage Vin
2. For 20 s<t< (20 s + 3 T,) (T, is the switching period and 1/T, = 10 kHz),
calculate and draw the equivalent duty cycle over the triangle carrier wave
and also draw the corresponding PWM signal. Summarize the results in a
scanned document or a Word document.
T, = 1/f.
MW.
1
Draw the equivalent duty
cycle (one sample point
per switching period)
11
Draw the corresponding
PWM signal
| to + T,
to + 3T,
to = 20 s
to
to + 2T,
%3D
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