A four wire, three phase system has a balanced supply voltage of 208V. Three wattmeters are connected to measure the power dissipated on the three resistors. Calculate for a) Neutral Voltage b) Line currents c) readings of wattmeter d) total power of the load W (W) 2002 40 $120 Figure 2. Question number 5

Power System Analysis and Design (MindTap Course List)
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ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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Chapter3: Power Transformers
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Problem 3.28P: For the system shown in Figure 3.34. draw an impedance diagram in per unit by choosing 100 kVA to be...
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A four wire, three phase system has a balanced supply voltage of 208V. Three wattmeters are
connected to measure the power dissipated on the three resistors. Calculate for a) Neutral Voltage
b) Line currents c) readings of wattmeter d) total power of the load
200
120
Figure 2. Question number 5
THE ANSWER KEY IS GIVEN BELOW PLEASE GIVE ME YOUR ANSWER AND SOLUTION IN 3 DECIMAL
POINTS!
Ans:
(a) Ve = 120V
(b) 11 = 2.5 <0
12=3<-120
13 = 2 <120
In = 0.866 < 90
(c) P1 = 300W
P2
= 360W
P3 = 240W
(d) PT = 900W
Transcribed Image Text:A four wire, three phase system has a balanced supply voltage of 208V. Three wattmeters are connected to measure the power dissipated on the three resistors. Calculate for a) Neutral Voltage b) Line currents c) readings of wattmeter d) total power of the load 200 120 Figure 2. Question number 5 THE ANSWER KEY IS GIVEN BELOW PLEASE GIVE ME YOUR ANSWER AND SOLUTION IN 3 DECIMAL POINTS! Ans: (a) Ve = 120V (b) 11 = 2.5 <0 12=3<-120 13 = 2 <120 In = 0.866 < 90 (c) P1 = 300W P2 = 360W P3 = 240W (d) PT = 900W
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