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0 Hz household supply current through a 3-to-1 step-down transformer. It ses a silicon diode that can be modelled as having a constant Vf = 0.84 V rop for any current. vs(t) VL (t) RL (a) What is the peak voltage, US,peak, of the secondary? What is the peak voltage, UL,peak of the rectified output? b) For what fraction of the cycle (in percentage) does the diode conduct? (c) What is the average output voltage, V₁? (state which formula you used: the more accurate formula obtained via integration or the approximate formula) d) What is the average output current, IL? (e) You want to create a DC source with a peak-to-peak ripple voltage, Vr, of 11% of the peak output. (1) What size of capacitor should you add across the output? (2) What is the average voltage now? (State whether you used the more accurate or the approximate formula.)

0 Hz household supply current through a 3-to-1 step-down transformer. It ses a silicon diode that can be modelled as having a constant Vf = 0.84 V rop for any current. vs(t) VL (t) RL (a) What is the peak voltage, US,peak, of the secondary? What is the peak voltage, UL,peak of the rectified output? b) For what fraction of the cycle (in percentage) does the diode conduct? (c) What is the average output voltage, V₁? (state which formula you used: the more accurate formula obtained via integration or the approximate formula) d) What is the average output current, IL? (e) You want to create a DC source with a peak-to-peak ripple voltage, Vr, of 11% of the peak output. (1) What size of capacitor should you add across the output? (2) What is the average voltage now? (State whether you used the more accurate or the approximate formula.)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A half-wave rectifier with a 270 2 load resistor operates from a 120 Vrms 60 Hz household supply current through a 3-to-1 step-down transformer. It uses a silicon diode that can be modelled as having a constant Vf = 0.84 V drop for any current. vs(t) VL (t) RL (a) What is the peak voltage, vs,peak, of the secondary? What is the peak voltage, UL,peak of the rectified output? (b) For what fraction of the cycle (in percentage) does the diode conduct? (c) What is the average output voltage, V₁? (state which formula you used: the more accurate formula obtained via integration or the approximate formula) 1 (d) What is the average output current, IL? (e) You want to create a DC source with a peak-to-peak ripple voltage, Vr, of 11% of the peak output. (1) What size of capacitor should you add across the output? (2) What is the average voltage now? (State whether you used the more accurate or the approximate formula.)
Transcribed Image Text:A half-wave rectifier with a 270 2 load resistor operates from a 120 Vrms 60 Hz household supply current through a 3-to-1 step-down transformer. It uses a silicon diode that can be modelled as having a constant Vf = 0.84 V drop for any current. vs(t) VL (t) RL (a) What is the peak voltage, vs,peak, of the secondary? What is the peak voltage, UL,peak of the rectified output? (b) For what fraction of the cycle (in percentage) does the diode conduct? (c) What is the average output voltage, V₁? (state which formula you used: the more accurate formula obtained via integration or the approximate formula) 1 (d) What is the average output current, IL? (e) You want to create a DC source with a peak-to-peak ripple voltage, Vr, of 11% of the peak output. (1) What size of capacitor should you add across the output? (2) What is the average voltage now? (State whether you used the more accurate or the approximate formula.)
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