78
9. Appendix
9.2. A List of Examples for Incorrect Wiring Display
9.2.1. 3-phase 4-wire System
∠
V
1N
∠
V
2N
∠
V
3N
∠
I
1
∠
I
2
∠
I
3
W
1
W
2
W
3
V
1N
V
2N
V
3N
I
1
I
2
I
3
1
2
3
N
1 side CT 2 side CT 3 side CT
10
LEAD 0.707
315
195
75
LEAD 0.866
330
210
90
1.000
0
240
120
LAG 0.866
30
270
150
LAG 0.707
45
285
165
11
LEAD 0.707
195
75
315
LEAD 0.866
210
90
330
1.000
240
120
0
LAG 0.866
270
150
30
LAG 0.707
285
165
45
12
LEAD 0.707
195
315
75
LEAD 0.866
210
330
90
1.000
240
0
120
LAG 0.866
270
30
150
LAG 0.707
285
45
165
13
LEAD 0.707
315
75
195
LEAD 0.866
330
90
210
1.000
0
120
240
LAG 0.866
30
150
270
LAG 0.707
45
165
285
14
LEAD 0.707
75
195
315
LEAD 0.866
90
210
330
1.000
120
240
0
LAG 0.866
150
270
30
LAG 0.707
165
285
45
15
LEAD 0.707
135
255
15
LEAD 0.866
150
270
30
1.000
180
300
60
LAG 0.866
210
330
90
LAG 0.707
225
345
105
W
1
=Negative value
W
2
=Positive value
W
3
=Positive value
V
1N
<
V
2N
=V
3N
I
1
=I
2
=I
3
+C3-C3
Normal
W
1
=0
W
2
=Positive value
W
3
=Negative value
W
1
=Negative value
W
2
=Positive value
W
3
=Negative value
W
1
=Negative value
W
2
=Positive value
W
3
=0
W
1
=Negative value
W
2
=Positive value
W
3
=Positive value
+C3-C3
Normal
PN P2 P3 P1
+C1-C1
Normal
+C2-C2
Normal
0
330
30
P3 P2 P1 PN
+C1-C1
Normal
+C2-C2
Normal
0
240
120
W
1
=Positive value
W
2
=Positive value
W
3
=Negative value
V
1N
=V
2N
=V
3N
I
1
=I
2
=I
3
P2 P1 P3 PN
+C1-C1
Normal
+C2-C2
Normal
+C2-C2
Normal
+C3-C3
Normal
W
1
=Positive value
W
2
=Negative value
W
3
=0
W
1
=Positive value
W
2
=Negative value
W
3
=Negative value
W
1
=Positive value
W
2
=0
W
3
=Negative value
W
1
=Positive value
W
2
=Positive value
W
3
=Negative value
I
1
=I
2
=I
3
P1 P3 P2 PN
+C1-C1
Normal
W
1
=Negative value
W
2
=0
W
3
=Positive value
W
1
=Negative value
W
2
=Negative value
W
3
=Positive value
W
1
=0
W
2
=Negative value
W
3
=Positive value
W
1
=Positive value
W
2
=Negative value
W
3
=Positive value
0
240
120
W
1
=Positive value
W
2
=Negative value
W
3
=Positive value
V
1N
=V
2N
=V
3N
0
240
120
W
1
=Negative value
W
2
=Positive value
W
3
=Positive value
V
1N
=V
2N
=V
3N
I
1
=I
2
=I
3
+C3-C3
Normal
P1 P2 P3
W
1
=Negative value
W
2
=Positive value
W
3
=0
W
1
=Negative value
W
2
=Positive value
W
3
=Negative value
W
1
=0
W
2
=Positive value
W
3
=Negative value
0
120
240
W
1
=Positive value
W
2
=Positive value
W
3
=Negative value
V
1N
=V
2N
=V
3N
I
1
=I
2
=I
3
V
1N
=V
2N
=V
3N
I
1
=I
2
=I
3
P1 P2 P3 PN
+C3-C3
Normal
+C2-C2
Normal
+C1-C1
Normal
W
1
=Positive value
W
2
=Positive value
W
3
=Negative value
No.
Power Factor
(Input)
Phase Angle Display
At balanced load (V
1N
=V
2N
=V
3N
, I
1
=I
2
=I
3
)
Connection (*1)
Active Power Display
Voltage Display Current Display
Voltage
Current
Connection
PN
+C1-C1
Normal
+C3-C3
Normal
+C2-C2
Normal
W
1
=Positive value
W
2
=0
W
3
=Negative value
W
1
=Positive value
W
2
=Negative value
W
3
=Negative value
W
1
=Positive value
W
2
=Negative value
W
3
=0
W
1
=Positive value
W
2
=
Negative value
W
3
=Positive value
0
120
240
W
1
=Negative value
W
2
=Positive value
W
3
=Positive value
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
1
2 3 N
K
L
k
l
K
L
k
l
K
L
k
l
U
u
V
v
U
V
v
u
v
u
U
V
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
1
2
3 N
K
L
k
l
K
L
k
l
K
L
k
l
U
u
V
v
U
V
v
u
v
u
U
V
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
1
2
3 N
K
L
k
l
K
L
k
l
K
L
k
l
U
u
V
v
U
V
v
u
v
u
U
V
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
1
2
3 N
K
L
k
l
K
L
k
l
K
L
k
l
U
u
V
v
U
V
v
u
v
u
U
V
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
1
2
3 N
K
L
k
l
K
L
k
l
K
L
k
l
U
u
V
v
U
V
v
u
v
u
U
V
+C2
C2
+C3
C3
P1
P3
P2
+C1
C1
PN
1
2
3 N
K
L
k
l
K
L
k
l
K
L
k
l
U
u
V
v
U
V
v
u
v
u
U
V