1. Refer to Figure 1. A Y-connected source supplies 3 balanced 3-phase loads. The source has voltage Vab=38020 V. a. Assume that load 1 is A-connected, what are the phase voltages & currents in that load? b. Assume that load 2 is Y-connected what are a the phase voltages & currents in that load? c. What real, reactive and apparent power does the generator supply when the switch is оpen? d. What are the line currents (laa, IbB, lcc)? Y-Connected b 100kW Source 0.9 LAG 80KVA 0.8 LAG Figure 1 e. What real, reactive and apparent power does the generator supply when the switch is 80kW closed? 0.85 LAG f. What are the line currents when the switch is closed? g. Determine the value of each capacitor when a Y-connected capacitor bank is to be connected in parallel with the loads to raise the PF to 0.95.

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...
icon
Related questions
Question
ANSWER “G”
1. Refer to Figure 1. A Y-connected source supplies 3
balanced 3-phase loads. The source has voltage
Vab=38020 V.
a. Assume that load 1 is A-connected, what are
the phase voltages & currents in that load?
b. Assume that load 2 is Y-connected what are
a
the phase voltages & currents in that load?
c. What real, reactive and apparent power does
the generator supply when the switch is
open?
d. What are the line currents (laa, Ibb, lcc)?
e. What real, reactive and apparent power does
the generator supply when the switch is
Y-Connected
b
100kW
Source
0.9 LAG
80KVA
0.8 LAG
Figure 1
80kW
closed?
0.85 LAG
f. What are the line currents when the switch is
closed?
g. Determine the value of each capacitor when
a Y-connected capacitor bank is to be
connected in parallel with the loads to raise
the PF to 0.95.
Transcribed Image Text:1. Refer to Figure 1. A Y-connected source supplies 3 balanced 3-phase loads. The source has voltage Vab=38020 V. a. Assume that load 1 is A-connected, what are the phase voltages & currents in that load? b. Assume that load 2 is Y-connected what are a the phase voltages & currents in that load? c. What real, reactive and apparent power does the generator supply when the switch is open? d. What are the line currents (laa, Ibb, lcc)? e. What real, reactive and apparent power does the generator supply when the switch is Y-Connected b 100kW Source 0.9 LAG 80KVA 0.8 LAG Figure 1 80kW closed? 0.85 LAG f. What are the line currents when the switch is closed? g. Determine the value of each capacitor when a Y-connected capacitor bank is to be connected in parallel with the loads to raise the PF to 0.95.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Digital Modulation Scheme (Amplitude-Shift Keying [ASK], Phase-Shift Keying [PSK], Frequency-Shift Keying [FSK])
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,