Mitsubishi Electric EMU4-FD1-MB User Manual page 39

Display example (Connection example for single-phase 3-wire)
Power
No. factor Phase angle display
(Input)
∠V 12 ∠V 23
Forward
0.707
Forward
0.866
Norma
l 1 0 180
status
Delayed
0.866
Delayed
0.707
Forward
0.707
Forward
0.866
1 0 0
1
Delayed
0.866
Delayed
0.707
Forward
0.707
Forward
0.866
2 1 0 0
Delayed
0.866
Delayed
0.707
Forward
0.707
Forward
0.866
3 0 180
1
Delayed
0.866
Delayed
0.707
Forward
0.707
Forward
0.866
4 1 0 180
Delayed
0.866
Delayed
0.707
Forward
0.707
Forward
0.866
5 1 0 180
Delayed
0.866
Delayed
0.707
At the average current (V
＝V
12
Electric
power Voltage display
display
W W V
∠I 1 ∠I 3 1 3 12
315 135
330 150
0 180 W V
1 ＝W 3 12
30 210
45 225
135 315
W1＝
Negative
150 330
value
V
180 0
12
W3＝
210 30 Positive
value
225 45
135 315
W1＝
150 330 Negative
value
180 0 V
12
W3＝
210 30 Positive
value
225 45
315 315
W1＝
Positive
330 330
value
V
0 0
12
W3＝
30 30 Negative
value
45 45
135 315
W1＝
Negative
150 330
value
180 0 V
12
W3＝
210 30 Negative
value
225 45
135 315
W1＝
Negative
150 330
value
180 0 V
12
W3＝
210 30 Negative
value
225 45
)
、Ｉ ＝Ｉ
23 1 3
Current display
V V I I I 1
23 31 1 2 3
I
＝I
1 3
P1
＝V 23 ＜V 31
I
＝0
2
I
1 ＝I 3
P2
＝V ＜V
23 31
I
2 ＝0
I
＝I
1 3
P2 P3
＞V 23 ＝V 31
I
＝0
2
I P1 P2
＝V ＜V ＝I ＜I
23 31 1 3 2
I
＝I
1 3
P1
＝V ＜V
23 31
I
＝0
2
I
＝I
1 3
P3 P2 P1
＝V ＜V
23 31
I
＝0
2
(38/71)
Indicates improper connection
Connection
Voltage Current
Connecting diagram
CT(sid CT(sid
2 3
e "1") e "3")
1 2
K
L
1K 1L 3K 3L
P2 P3
Forward Forward
Connection between P1 and P2
are reserved.
1 2 3
K
L
1K 1L 3K 3L
P1 P3
Forward Forward
Connection of P1, P2, P3
terminals of measuring instrument
is reversed (P2, P3, P1).
1 2 3
K
L
1K 1L 3K 3L
P1
Forward Forward
Connection of CT side "3" is
reversed.
1 2 3
K
L
3K 3L
1K 1L 3K 3L
3K 3L
P3
Revers
Forward
Forward Reverse
e
CT side "1" and "3" are swapped.
2 3
1
K
L
K
3K 3L 1K 1L
P2 P3
L
Forward Forward
Connection of P1, P2, P3
terminals of measuring instrument
is reversed (P3, P2, P1).
1 2 3
K
L
1K 1L 3K 3L
Forward Forward
3
1K
1L
K
3K
3L
L
P1
P2
P3
1K
1L
K
3K
L
3L
P1
P2
P3
1K
1L
K
3K
L
3L
P1
P2
P3
1K
1L
K
3K
L
3L
P1
P2
P3
1K
1L
3K
3L
P1
P2
P3
1K
1L
K
3K
L
3L
P1
P2
P3