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Electrical Engineering

R Vs VL R2 Figure 9.55 Full Alternative Text

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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Question

The circuit has a load consisting of the parallel combination of
the resistor and inductor. Use phasor diagrams to explore the effect of adding
a capacitor across the terminals of the load on the amplitude of Vs if we
adjust Vs so that the amplitude of VL remains constant. Utility companies
use this technique to control the voltage drop on their lines

R
Vs
VL
R2
Figure 9.55 Full Alternative Text

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