In reference to the attached sample circuit: If the capacitor is now removed from the attached circuit and is placed in parallel with the secondary of the transformer. Calculate the operating power factor of the fitting. Use a scale phasor diagram to proove your answer and evaluate each technique for determining circuit power factor.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...
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In reference to the attached sample circuit:

If the capacitor is now removed from the attached circuit and is placed in parallel with the secondary of the transformer.

Calculate the operating power factor of the fitting. Use a scale phasor diagram to proove your answer and evaluate each technique for determining circuit power factor.

Supply
230V
RMS
C = 20μF
24V RMS
50Hz
Choke
mm
L = 130mH
r = 90
Fluorescent
Tube
300
Transcribed Image Text:Supply 230V RMS C = 20μF 24V RMS 50Hz Choke mm L = 130mH r = 90 Fluorescent Tube 300
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Follow-up Question

With reference to the attached image. Can you explain in further detail how the figures of 50.33 and 39.78 in relation to Z were gathered?

 

X =
1
2π*50*20*10-6
Xc
1
Xc
=
1
2πfС
=
106
1000T
106
1000T
Z = (√(50.33)² + (39.78)²))
= 64.1530
Transcribed Image Text:X = 1 2π*50*20*10-6 Xc 1 Xc = 1 2πfС = 106 1000T 106 1000T Z = (√(50.33)² + (39.78)²)) = 64.1530
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