Pls solve this asap A separately excited DC motor presents the following plate data:• armature voltage: V= 220 Van• armature current: I= 30 Aan239032speed: n = 3000 rpmexcitation voltage: V = 80 Vexcitation current: I = 4 Astarting current:= 180 ANeglecting thenoload losses and theof thecircuit, evaluate:1) the armature resistance[0]2) the coefficent between e.m.f. and speedK =[Virad/s]3) the rated torqueT =[Nm]4) the rated efficiency%3D[%]5) the speed when the motor delivers 1.5 T (constant flux)n =[rpm]N 070 239032 01nld239032 01nldime08239032010 s23903201070 $239032

A separately excited DC motor presents the following plate data: • armature voltage: V = 220 V %3D an • armature current: I = 30 A an speed: n_ = 3000 rpm • excitation voltage: V = 80V • excitation current: I = 4 A starting current: I = 'st Neglecting the no load losses and the saturation of the magnetic circuit, evaluate: Ra= 1) the armature resistance 2) the coefficent between e.m.f. and speed K. [Virad/s] [Nm] 3) the rated torque [%] 4) the rated efficiency [rpm] 5) the speed when the motor delivers 1.5 T (constant flux) $239032 % 71070s239032 01nid 070 8239032 01nldim0 008239032 II

A separately excited DC motor presents the following plate data: • armature voltage: V = 220 V %3D an • armature current: I = 30 A an speed: n_ = 3000 rpm • excitation voltage: V = 80V • excitation current: I = 4 A starting current: I = 'st Neglecting the no load losses and the saturation of the magnetic circuit, evaluate: Ra= 1) the armature resistance 2) the coefficent between e.m.f. and speed K. [Virad/s] [Nm] 3) the rated torque [%] 4) the rated efficiency [rpm] 5) the speed when the motor delivers 1.5 T (constant flux) $239032 % 71070s239032 01nid 070 8239032 01nldim0 008239032 II

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.21P: An industrial plant consisting primarily of induction motor loads absorbs 500 kW at 0.6 power factor...

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