4) A balanced delta connected load of ...+j18 ohm per phase is connected at the end of a three phase line as shown in figure. The line impedance is 1+j2 ohm per phase. The line is supplied from a three-phase source with a lie- to-line voltage of 207.85 V rms. Taking Van as reference, determine the following: a) Current in phase a. b) Total complex power supplied from the source. c) Magnitude of the line-to-line voltage at the load terminal. (Please determine the impedance value within the specified limits: 16-26 V. By considering the impedance value you determined yourself, solve the question.) 1+j2 n wwwm ao |VL| = 207.85 V bo- Figure ...+j18 n

4) A balanced delta connected load of ...+j18 ohm per phase is connected at the end of a three phase line as shown in figure. The line impedance is 1+j2 ohm per phase. The line is supplied from a three-phase source with a lie- to-line voltage of 207.85 V rms. Taking Van as reference, determine the following: a) Current in phase a. b) Total complex power supplied from the source. c) Magnitude of the line-to-line voltage at the load terminal. (Please determine the impedance value within the specified limits: 16-26 V. By considering the impedance value you determined yourself, solve the question.) 1+j2 n wwwm ao |VL| = 207.85 V bo- Figure ...+j18 n

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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Concept explainers

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

Question

4) A balanced delta connected load of ...+j18 ohm per phase is connected at the end of a three phase line as shown
in figure. The line impedance is 1+j2 ohm per phase. The line is supplied from a three-phase source with a lie-
to-line voltage of 207.85 V rms. Taking Van as reference, determine the following:
a) Current in phase a.
b) Total complex power supplied from the source.
c) Magnitude of the line-to-line voltage at the load terminal.
(Please determine the impedance value within the specified limits: 16-26 V. By considering the impedance value you
determined yourself, solve the question.)
ao-
|V₂|
bo
Co-
1 +j2 Ω
= 207.85 V
www
Figure
a
Jum
...+j18 n
b

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Step 1: Given information about the three phase system.

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Step 2: Conversion of the delta connected load into star connected load.

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Step 3: Drawing the per phase equivalent circuit and per phase supply voltage.

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Step 4: Determination of current in phase a.

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Step 5: Determination of total complex power supplied by the source.

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Step 6: Determination of the magnitude of line-to-line voltage at the load terminal.

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Analysis of Single Phase and Three Phase System

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