For a 18600W 2400rpm DC motor, the following values are given: Ra = 0.089 Q (value at room temperature (250C)), La = 0.00144 H, KT = 0.85 Nm / A and KV = 0.851 V/ (rad / s)), (In calculations Use the hot resistance values at 1000C.) (Take the rated field winding losses as Wf=210W.) If this DC machine is operating as a motor with rated flux at rated speed, calculate the rated torque (TR), rated current (IR), rated voltage (VR), efficiency (n) at the rated point, taking into account the winding losses. Find the speed (@NL) of this motor in no-load condition. TR Nm IR A VR V Eff % ONL rpm

For a 18600W 2400rpm DC motor, the following values are given: Ra = 0.089 Q (value at room temperature (250C)), La = 0.00144 H, KT = 0.85 Nm / A and KV = 0.851 V/ (rad / s)), (In calculations Use the hot resistance values at 1000C.) (Take the rated field winding losses as Wf=210W.) If this DC machine is operating as a motor with rated flux at rated speed, calculate the rated torque (TR), rated current (IR), rated voltage (VR), efficiency (n) at the rated point, taking into account the winding losses. Find the speed (@NL) of this motor in no-load condition. TR Nm IR A VR V Eff % ONL rpm

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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