A 4-pole, 3 phase, 400 V, 50 Hz, 1470 rpm induction motorhas a rated torque of 30 Nm. The motor is used to drive alinear load with characteristic given by T = Ko, such thatthe speed equals rated value at rated torque. If a constantVolts/Hz control method is employed, calculate:• The constant K in the T -w characteristic of the load.Synchronous and motor speeds at 0.6 rated torque.• If a starting torque of 1.2 times rated torque is required, what should be thevoltage and frequency applied at start-up? State any assumptions made forthis calculation.

Given:rated torque = 30Nm4-pole , 3-ϕ, 400V, 50Hz , 1470rpmLinear load = Kwi)Trated torque =…

A 4-pole, 3 phase, 400 V, 50 Hz, 1470 rpm induction motor has a rated torque of 30 Nm. The motor is used to drive a linear load with characteristic given by T = Km, such that the speed equals rated value at rated torque. If a constant Volts/Hz control method is employed, calculate: • The constant K in the T1 -w characteristic of the load. Synchronous and motor speeds at 0.6 rated torque. • If a starting torque of 1.2 times rated torque is required, what should be the voltage and frequency applied at start-up? State any assumptions made for this calculation.

A 4-pole, 3 phase, 400 V, 50 Hz, 1470 rpm induction motor has a rated torque of 30 Nm. The motor is used to drive a linear load with characteristic given by T = Km, such that the speed equals rated value at rated torque. If a constant Volts/Hz control method is employed, calculate: • The constant K in the T1 -w characteristic of the load. Synchronous and motor speeds at 0.6 rated torque. • If a starting torque of 1.2 times rated torque is required, what should be the voltage and frequency applied at start-up? State any assumptions made for this calculation.

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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