(b) During a course of Integrated Engineering Design, your group project's design requires a high torque motor to execute the desired task. The project would use a motor that has an equivalent circuit as in Figure 1. Based on the two motors listed in Table 1, choose the one that have higher torque to fulfil the requirement of your Integrated Engineering Project's design. Justify your answer by showing all the calculation details. R. R ME Figure 1 Table 1 Parameters HS85013119 HS850136480 Rated terminal voltage / V 230 200 Rated current / A 35.7 38 Field resistance / m? 50 50 Armature resistance / m2 25 25 Rated speed / rpm 1200 1000 Stray losses / W 200 + x00 200 + x00 Where x is

(b) During a course of Integrated Engineering Design, your group project's design requires a high torque motor to execute the desired task. The project would use a motor that has an equivalent circuit as in Figure 1. Based on the two motors listed in Table 1, choose the one that have higher torque to fulfil the requirement of your Integrated Engineering Project's design. Justify your answer by showing all the calculation details. R. R ME Figure 1 Table 1 Parameters HS85013119 HS850136480 Rated terminal voltage / V 230 200 Rated current / A 35.7 38 Field resistance / m? 50 50 Armature resistance / m2 25 25 Rated speed / rpm 1200 1000 Stray losses / W 200 + x00 200 + x00 Where x is

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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A250 V, dc shunt motar has an armeture resistance of 0.5 chmand a field resistance of 250 chm When driving a load of constant torque at 600 r.pm, the amature current is 20 A If it is desired to raise the speed from600 to 800 r.pm, what resistance should be inserted in the shunt field circut? Assume that the megnetic circut is unsaturated
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A DC, separately excited motor is used to drive a constant-torque load. The field circuit is excited by a full-wave, AC/DC SCR converter. The armature circuit of the motor is connected to a constant dc voltage source of 160 V. The inductance of the field circuit is large, and the field current is continuous. The field AC voltage (input to the converter) is 147 V (rms), and the field resistance is 100 N. The armature resistance is 1.2 N. When the triggering angle of the SCRS is adjusted to zero, the motor speed is 1000 rpm, and the armature current is 10 A. Calculate the average current and dc power of the field i. A1 F1 circuit when the triggering angle is equal to 15°. La Ra If A a P; W M • If the motor speed is to be increased to 1400 rpm, what is the F2 A2 triggering angle? (a) Circuit a =
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2. A 15 kW shunt machine having an Armature circuit Resistance of 0.35 Q and a filed resistance of 1002, generates a terminal voltage of 240 V at full load. Find the Efficiency When I. act as a Generator at full load . II. act as a Generator at half load III. act as a Motor
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A 4 pole, 300 V Series Wound DC Motor developing 25 HP and 81.57 N-m torque runs at a speed of 750 RPM when the current is 65 Amp.. a) Assuming that the Flux varies directly with the current, calculate the Torque if the load increases so that the Motor takes 75 Amp. b) Calculate the terminal voltage required so that the Motor will developed the same Torque of 81.57 N-m when the speed will be 960 RPM. Please draw the cicuit diagram
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Q3) A 7.40 kW, 240-V shunt motor takes a line current of 4 A when running light. Calculate the efficiency as a motor when delivering full load output, if the armature and field resistance are 0.5 Q and 240 2 respectively. At what output power will the efficiency be maximum? Is it possible to obtain this output from the machine?