The Y-A system of Fig.3. A positive sequence of balanced voltages is applied at the load erminals. The source phase voltage is Van = 230.9420V If the line current is 10 A and the reading of two wattmeters are -2000, and 2000 W respectively. What is the power factor of the load? Plot the phasor diagram. What is Z? (b) For the same voltages and currents in the previous case and a unity power factor, what are the readings of the two wattmeters respectively? Plot the phasor diagram. What is Z? W₁ W₂ Z Z
The Y-A system of Fig.3. A positive sequence of balanced voltages is applied at the load erminals. The source phase voltage is Van = 230.9420V If the line current is 10 A and the reading of two wattmeters are -2000, and 2000 W respectively. What is the power factor of the load? Plot the phasor diagram. What is Z? (b) For the same voltages and currents in the previous case and a unity power factor, what are the readings of the two wattmeters respectively? Plot the phasor diagram. What is Z? W₁ W₂ Z Z
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.19P: Consider a single-phase load with an applied voltage v(t)=150cos(t+10)volts and load current...
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![The Y-A system of Fig.3. A positive sequence of balanced voltages is applied at the load
terminals. The source phase voltage is Van 230.9420
=
If the line current is 10 A and the reading of two wattmeters are -2000, and 2000 W
respectively. What is the power factor of the load? Plot the phasor diagram. What is Z?
(b)
For the same voltages and currents in the previous case and a unity power factor, what
are the readings of the two wattmeters respectively? Plot the phasor diagram. What is Z?
Figure 3
m
Fm "!!
W₁
W₂
Z
Z
Z](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb47103db-7f5a-4431-bb05-a76766f758d7%2Ff3f730a3-dc7f-460e-bd69-5533bc2f2412%2Fg1kai2_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The Y-A system of Fig.3. A positive sequence of balanced voltages is applied at the load
terminals. The source phase voltage is Van 230.9420
=
If the line current is 10 A and the reading of two wattmeters are -2000, and 2000 W
respectively. What is the power factor of the load? Plot the phasor diagram. What is Z?
(b)
For the same voltages and currents in the previous case and a unity power factor, what
are the readings of the two wattmeters respectively? Plot the phasor diagram. What is Z?
Figure 3
m
Fm "!!
W₁
W₂
Z
Z
Z
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