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(b) A pair of thyristor connected in inverse-parallel as shown in Figure Q4(b), The thyristor are triggered at an angle a after their respective anode voltage zeros. (i) Sketch the load voltage waveform for a=30°. (ii) Calculate the rms value voltage VL and current Il for a=30°. (iii) Calculate the output power for a=30°. (iv) If thyristor T2 is fail to operate, what effect would this have on the value of the output voltage of the converter at a = 30°.

(b) A pair of thyristor connected in inverse-parallel as shown in Figure Q4(b), The thyristor are triggered at an angle a after their respective anode voltage zeros. (i) Sketch the load voltage waveform for a=30°. (ii) Calculate the rms value voltage VL and current Il for a=30°. (iii) Calculate the output power for a=30°. (iv) If thyristor T2 is fail to operate, what effect would this have on the value of the output voltage of the converter at a = 30°.

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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(b) A pair of thyristor connected in inverse-parallel as shown in Figure Q4(b), The thyristor are triggered at an angle a after their respective anode voltage zeros. (i) Sketch the load voltage waveform for a=30°. (ii) Calculate the rms value voltage VL and current I1 for a=30°. (iii) Calculate the output power for a=30°. (iv) If thyristor T2 is fail to operate , what effect would this have on the value of the output voltage of the converter at a = 30°.
Transcribed Image Text:(b) A pair of thyristor connected in inverse-parallel as shown in Figure Q4(b), The thyristor are triggered at an angle a after their respective anode voltage zeros. (i) Sketch the load voltage waveform for a=30°. (ii) Calculate the rms value voltage VL and current I1 for a=30°. (iii) Calculate the output power for a=30°. (iv) If thyristor T2 is fail to operate , what effect would this have on the value of the output voltage of the converter at a = 30°.
T1 T2 Vs=240 sin wt R=50Q Figure Q4(b)
Transcribed Image Text:T1 T2 Vs=240 sin wt R=50Q Figure Q4(b)
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