Power electronics 3. As shown in Fig. 3, three-phase half-wave controlled rectifier with aload which is consisting of R and L. a is shown in the following figures.(1) When the effect of transformer leakage inductance is ignored, Le=0. a=60° .Drawthe waveforms of output voltage us, thyristor current iyri in Fig. 4.(2) When the effect of transformer leakage inductance is considered, LB+0, y iscommutation angle. Draw the waveforms of output voltage ua, and thyristor current ivriin Fig. 5.(3) What is the meaning of commutation in PE circuits? What are the four types ofcommutation?Fig 3degп п ппFig 4Fig 5

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3. As shown in Fig 3, three-phase half-wave controlled rectifier with a load which is consisting of R and L. a is shown in the following figuwes. (1) When the effect of hransformer leakage inductance is ignored, Lo=0. am60° .Draw the waveforms of output voltage u, thynistor current ivn in Fig 4. (2) When the effect of transformer leakage inductance is considered, La#0,7 is conmutation angle. Draw the waveforms of output voltage a, and thyristor curent ivri in Fig 5. (3) What is the meaning of commutation in PE circuit:? What are the four types of commutation?

3. As shown in Fig 3, three-phase half-wave controlled rectifier with a load which is consisting of R and L. a is shown in the following figuwes. (1) When the effect of hransformer leakage inductance is ignored, Lo=0. am60° .Draw the waveforms of output voltage u, thynistor current ivn in Fig 4. (2) When the effect of transformer leakage inductance is considered, La#0,7 is conmutation angle. Draw the waveforms of output voltage a, and thyristor curent ivri in Fig 5. (3) What is the meaning of commutation in PE circuit:? What are the four types of commutation?

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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