A List Of Examples For Incorrect Wiring Display; 3-Phase 4-Wire System - Mitsubishi Electric ME96SSEB-MB User Manual

9. Appendix

A List of Examples for Incorrect Wiring Display

9.2.1. 3-phase 4-wire System

*The shaded parts indicate influential parts caused by incorrect wiring.
The dashed lines show incorrect wiring parts.
Phase Angle Display
Power Factor
No.
(Input)
∠V ∠V ∠V
1N 2N 3N
1
LEAD 0.707
LEAD 0.866
0 120 240
1.000
LAG 0.866
LAG 0.707
LEAD 0.707
LEAD 0.866
1.000 0 240 120
LAG 0.866
LAG 0.707
2
LEAD 0.707
LEAD 0.866
1.000 0 120 240
LAG 0.866
LAG 0.707
3
LEAD 0.707
LEAD 0.866
1.000 0 120 240
LAG 0.866
LAG 0.707
At balanced load (V
Voltage Display Current Display
Active Power Display
∠I ∠I ∠I
W W W V
1 2 3 1 2 3
315 75 195
330 90 210
W =W =W V
0 120 240
1 2 3
30 150 270
45 165 285
315 195 75
330 210 90
0 240 120 W =W =W V
1 2 3
30 270 150
45 285 165
135 75 195
150 90 210
W =Negative value
1
W =Positive value V
180 120 240
2
W =Positive value
3
210 150 270
225 165 285
315 255 195
330 270 210
W =Positive value
1
W =Negative value V
0 300 240
2
W =Positive value
3
30 330 270
45 345 285
=V =V , I =I =I )
1N 2N 3N 1 2 3
Voltage
V V I I I
1 2 3
1N 2N 3N 1 2 3
=V =V I =I =I P1 P2 P3 PN
1N 2N 3N 1 2 3
P1 P3 P2 PN
=V =V I =I =I P3 P2 P1 PN
1N 2N 3N 1 2 3
P2 P1 P3
=V =V I =I =I
P1 P2 P3 PN
1N 2N 3N 1 2 3
=V =V I =I =I
P1 P2 P3 PN
1N 2N 3N 1 2 3
76
Connection (*1)
Current
N 1 side CT 2 side CT 3 side CT
Normal
1 2 3 N
k
K
l
L
k
K
l
L
K k
+C1-C1 +C2-C2 +C3-C3
l
Normal Normal Normal
L
Reversed phase sequence 1
1 2 3 N
K k
l
L
k
K
l
L
+C1-C1 +C3-C3 +C2-C2
K k
Normal Normal Normal
l
L
Reversed phase sequence 2
1 2 3 N
k
K
l
L
k
K
l
L
+C3-C3 +C2-C2 +C1-C1
K k
Normal Normal Normal
l
L
Reversed phase sequence 3
1 2 3 N
k
K
l
L
k
K
l
L
+C2-C2 +C1-C1 +C3-C3
K k
PN
Normal Normal Normal
l
L
1 2 3 N
k
K
l
L
k
K
l
L
+C1-C1 +C2-C2 +C3-C3
K k
Reverse Normal Normal
l
L
1 2 3 N
K k
l
L
k
K
l
L
+C1-C1 +C2-C2 +C3-C3
K k
Normal Reverse Normal
l
L
Connection
+C1
C1
+C2
C2
+C3
C3
u
U
P1
V v
U
P2
u
v
V
P3
u
U
PN
v
V
+C1
C1
+C2
C2
+C3
C3
U u
P1
V v
U
P2
u
v
V
P3
u
U
PN
v
V
+C1
C1
+C2
C2
+C3
C3
U u
P1
v
V
U
P2
u
v
V
P3
u
U
PN
v
V
+C1
C1
+C2
C2
+C3
C3
U
u
P1
V v
U
P2
u
v
V
P3
u
U
PN
v
V
+C1
C1
+C2
C2
+C3
C3
U u
P1
V v
U
P2
u
v
V
P3
u
U
PN
v
V
+C1
C1
+C2
C2
+C3
C3
U u
P1
V v
U
P2
u
v
V
P3
u
U
PN
v
V