
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN: 9781305632134
Author: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher: Cengage Learning
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Transcribed Image Text:Star-connected
3+ supply
Phase 3
(grey)
Filtered
Current Voltage
sensors 1V/A
Ө
13
V3
10
Phase 2
(black)
Black
Phase 1
(brown)
Red
Line currents
11
Power
Neutral current
0.00
се
Three-phase
star-connected
power supply
(24V line)
V2
CH2
brown
V1
Star-connected balanced loads
with neutral connection
HEA› HFA³· HEA
Im . m 1. m
www
10 Ω
30 mH
100 μF
200 µF
400 μF
+10 adaptors both channels
Line 3
A
Line 2
A
Line 1
A
Neutral
ww
www
Figure 7
00000
·
Delta-
connected
balanced load
102+
200 µF
10 Ω
(Delta)
Black
V12
V
Red
V2N
Brown
Brown
VIN CH1 (N)
CH2N
Blue
Blue
Figure 8
L3
Induction
Motor
L2
L1

Transcribed Image Text:+
Phase voltage
Line and phase voltage measurements
Phase voltage V1N, potential
difference of line 1 with respect to
13.2V
(phase 1)
neutral (rms)
Phase voltage
Phase voltage V2N, potential
-6.8ms
(phase 2)
difference of line 2 with respect to
neutral (rms)
Line voltage
Line-to-line (line) voltage
23.8V
(phases 1-2)
(rms), V12 from meter
Time difference for V12
*Phase angle for V12 rel to V1N
1.8ms
32.8deg
*Calculate later to allow you to complete phasor diagram
Draw accurately and to scale the phasor diagram showing how the
rms magnitudes and phases of the line voltages V12, V23 and V31
relate to the phase voltages V1N, V2N and V3N, and use your diagram
to show specifically (using your measured magnitude and phase of
V12) that V12 = V1N- V2N
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ISBN:9781305632134
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