A half wave diode rectifier with 4,700 uF smoothing capacitor connects a 50 2 resistive load to a 60 Hz, 115 V rms ac supply. Q3 Sketch the ac supply voltage, resistive load voltage and capacitor current over a complete ac supply period assuming a diode conduction angle of 20° (a) (b) Indicate on this sketch the period when the diode is conducting. Assuming an ideal diode determine the % voltage ripple across the resistive load. (c) (d) Calculate the average power dissipated by the resistive load. (e) Estimate the peak capacitor charging current. (f) Estimate and sketch the AC supply current over a complete 60 Hz period. Estimate the diode conduction loss (W) assuming a forward diode voltage drop of 1.5 V. (g)

A half wave diode rectifier with 4,700 uF smoothing capacitor connects a 50 2 resistive load to a 60 Hz, 115 V rms ac supply. Q3 Sketch the ac supply voltage, resistive load voltage and capacitor current over a complete ac supply period assuming a diode conduction angle of 20° (a) (b) Indicate on this sketch the period when the diode is conducting. Assuming an ideal diode determine the % voltage ripple across the resistive load. (c) (d) Calculate the average power dissipated by the resistive load. (e) Estimate the peak capacitor charging current. (f) Estimate and sketch the AC supply current over a complete 60 Hz period. Estimate the diode conduction loss (W) assuming a forward diode voltage drop of 1.5 V. (g)

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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