i need the answer quickly Q.3In the microcomputer-controlled class-A IGBT transistor d.c. choppershown in Fig.2. , the input voltage Va= 260 V, the load is a separately-excited d.c. motor with Raspeed controlled over a range 0 – 2500 rpm , provided that the load torque iskept constant and requires an armature current of 30 A .= 0.28 2 and La= 30 mH. The motor is to be(a) Calculate the range of the duty cycle y required if the motor designconstant K.P has a value of 0.10 V/rpm.(b) Find the speed of the motor n (rpm) when the chopper is switchedfully ON such that the duty cycle y = 1.0.RaQ1DC voltageVaVdSLaI = Kr laFWDdriver11 PI-4uControllerFigure 2. IGBT d.c. chopper drive.

Given Ra =0.28Ω La =30 mH Full speed n= 2500 rpm Ia =30 A

In the microcomputer-controlled class-A IGBT transistor d.c. chopper shown in Fig.2., the input voltage Va= 260 V, the load is a separately- excited d.c. motor with Ra = 0.28 2 and La = 30 mH. The motor is to be speed controlled over a range 0 – 2500 rpm , provided that the load torque is kept constant and requires an armature current of 30 A. (a) Calculate the range of the duty cycle y required if the motor design constant K.P has a value of 0.10 V/rpm. (b) Find the speed of the motor n (rpm) when the chopper is switched fully ON such that the duty cycle y = 1.0.

In the microcomputer-controlled class-A IGBT transistor d.c. chopper shown in Fig.2., the input voltage Va= 260 V, the load is a separately- excited d.c. motor with Ra = 0.28 2 and La = 30 mH. The motor is to be speed controlled over a range 0 – 2500 rpm , provided that the load torque is kept constant and requires an armature current of 30 A. (a) Calculate the range of the duty cycle y required if the motor design constant K.P has a value of 0.10 V/rpm. (b) Find the speed of the motor n (rpm) when the chopper is switched fully ON such that the duty cycle y = 1.0.

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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