1. A motor draws 20A from 110V, 60HZ line with power factor of 77% lagging, calculate, (i) (ii) (iii) Active power absorbed by the motor Reactive power supplied by the line In-phase current component Quadrature current component Resistance of the motor (iv) (v) (vi) (vii) Impedance of the motor Reactance of the motor 2. If a 1000 uF capacitor is placed at the terminals of the motor in problem # 1 to reduce the amount of current, what will be the new value of line current and new PF of the motor? Assume that motor still requires same active and reactive power as being calculated in the last problem.
1. A motor draws 20A from 110V, 60HZ line with power factor of 77% lagging, calculate, (i) (ii) (iii) Active power absorbed by the motor Reactive power supplied by the line In-phase current component Quadrature current component Resistance of the motor (iv) (v) (vi) (vii) Impedance of the motor Reactance of the motor 2. If a 1000 uF capacitor is placed at the terminals of the motor in problem # 1 to reduce the amount of current, what will be the new value of line current and new PF of the motor? Assume that motor still requires same active and reactive power as being calculated in the last problem.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:1. A motor draws 20A from 110V, 60HZ line with power factor of 77% lagging, calculate,
(i)
(ii)
(iii)
Active power absorbed by the motor
Reactive power supplied by the line
In-phase current component
Quadrature current component
Resistance of the motor
(iv)
(v)
(vi)
(vii) Impedance of the motor
Reactance of the motor
2. If a 1000 uF capacitor is placed at the terminals of the motor in problem # 1 to reduce the
amount of current, what will be the new value of line current and new PF of the motor? Assume
that motor still requires same active and reactive power as being calculated in the last problem.
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