Q.2 Consider the full-wave bridge rectifier circuit. The input signal is 120 V (rms) at 60 Hz. The load resistance is RL = 250. The peak output voltage is to be 9 V and the ripple voltage is to be no more than 5 percent. Determine the required turns ratio and the load current. Q.3 Assuming that the diodes in the circuits of Figure-3 are ideal, utilize voltage divider theorem to simplify the circuits and thus find the values of the labeled current and voltage.

Electric Motor Control
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Q.2 Consider the full-wave bridge rectifier circuit. The input signal is 120 V (rms) at 60 Hz. The
load resistance is R1 = 250 . The peak output voltage is to be 9 V and the ripple voltage is to be
no more than 5 percent. Determine the required turns ratio and the load current.
Q.3 Assuming that the diodes in the circuits of Figure-3 are ideal, utilize voltage divider theorem to
simplify the circuits and thus find the values of the labeled current and voltage.
Transcribed Image Text:Q.2 Consider the full-wave bridge rectifier circuit. The input signal is 120 V (rms) at 60 Hz. The load resistance is R1 = 250 . The peak output voltage is to be 9 V and the ripple voltage is to be no more than 5 percent. Determine the required turns ratio and the load current. Q.3 Assuming that the diodes in the circuits of Figure-3 are ideal, utilize voltage divider theorem to simplify the circuits and thus find the values of the labeled current and voltage.
Figure 2
Figure 3
+ 6 V
D1
7:1
10 kn
120 V
60 Hz
>3.3 ka
20 kn 3
20 kn
D2
Transcribed Image Text:Figure 2 Figure 3 + 6 V D1 7:1 10 kn 120 V 60 Hz >3.3 ka 20 kn 3 20 kn D2
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