The three-phase phase voltages in the 3- phase thyristor rectifier circuit in the figure are as follows * Te T A Ts Van - Vm sin (314t + 0°) V bn = Vm sin (314t – 120°) Ven - Vm sin (314t – 240°) T2 taking into account the network phase- to-phase voltage waveforms given below VAB VCA VCB BA VCB Vm AC Vm O 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 315 330 345 360 a) Write the Natural Trigger Angles for Thyristors in the rectifier circuit in the spaces below with values between 0-360 degrees (example: 30, 330 ) Response rating for T1 ? Response rating for T2 ? Response rating for T3 ? Response rating for T4 ? Response rating for T5 ? Response rating for T6 ? b) In cases where a=75° for the thyristors in the above rectifier circuit, specify the Switches in Conduct for the following ranges in the rectifier output voltage. In the range of 45° to 90°.? keys are in transmission. Between 165° and 195° ..? keys are in transmission. switches are in conduction. In the range of 285° to 315° ... Load (A)

The three-phase phase voltages in the 3- phase thyristor rectifier circuit in the figure are as follows * Te T A Ts Van - Vm sin (314t + 0°) V bn = Vm sin (314t – 120°) Ven - Vm sin (314t – 240°) T2 taking into account the network phase- to-phase voltage waveforms given below VAB VCA VCB BA VCB Vm AC Vm O 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 315 330 345 360 a) Write the Natural Trigger Angles for Thyristors in the rectifier circuit in the spaces below with values between 0-360 degrees (example: 30, 330 ) Response rating for T1 ? Response rating for T2 ? Response rating for T3 ? Response rating for T4 ? Response rating for T5 ? Response rating for T6 ? b) In cases where a=75° for the thyristors in the above rectifier circuit, specify the Switches in Conduct for the following ranges in the rectifier output voltage. In the range of 45° to 90°.? keys are in transmission. Between 165° and 195° ..? keys are in transmission. switches are in conduction. In the range of 285° to 315° ... Load (A)

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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