(c)Reverse recovery is a common problem in a diode. It can increase switching losses,increase forward voltage and induce voltage surge.(i)Explain how reverse recovery can increase switching losses in a diode.(ii)Figure Q1(c) shows that characteristic of reverse recovery in a diode. Based onthe figure, calculate the peak reverse recovery current I,I (A)dlsdt30 AQ,,1 us3 usFigure Q1(c): The characteristic of reverse recovery in a diode

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Engineering

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Reverse recovery is a common problem in a diode.

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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Question

(c)
Reverse recovery is a common problem in a diode. It can increase switching losses,
increase forward voltage and induce voltage surge.
(i)
Explain how reverse recovery can increase switching losses in a diode.
(ii)
Figure Q1(c) shows that characteristic of reverse recovery in a diode. Based on
the figure, calculate the peak reverse recovery current I,
I (A)
dls
dt
30 A
Q,,
1 us
3 us
Figure Q1(c): The characteristic of reverse recovery in a diode

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