Mitsubishi Electric EMU4-FD1-MB User Manual page 44

Energy measuring unit
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Display example (connection example for three-phase 4-wire)
Power
Phase angle display
No.
factor
(input)
∠V
∠V
∠V
∠I
1N
2N
3N
1
Forward
345 285 225
0.707
Forward
0 300 240
0.866
24
0
330
300
1
30 330 270
Delayed
60
0.866
Delayed
75
0.707
Forward
285 225 165
0.707
Forward
300 240 180
0.866
25
0
60
30
1
330 270 210
Delayed
0 300 240
0.866
Delayed
15 315 255
0.707
Forward
195 315 255
0.707
Forward
210 330 270
0.866
26
1
0
240
120
240
Delayed
270
0.866
Delayed
285
0.707
Forward
315
0.707
Forward
330
0.866
27
1
0
240
120
0 120
Delayed
30 150
0.866
Delayed
45 165 105
0.707
Forward
75 195 135
0.707
Forward
90 210 150
0.866
28
1
0
240
120
120 240 180
Delayed
150 270 210
0.866
Delayed
165 285 225
0.707
Forward
135 255 195
0.707
Forward
150 270 210
0.866
29
1
0
330
30
180 300 240
Delayed
210 330 270
0.866
Delayed
225 345 285
0.707
At the average current (V1N=V2N=V3N,I1=I2=I3)
Electric power
Voltage
display
display
W
W
W
V
V
V
∠I
∠I
2
3
1
2
3
1N
2N
3N
W
=Positive value
1
W
=Positive value
V
=V
>V
2
1N
3N
2N
W
=Positive value
3
0 300
15 315
W
=Positive value
1
W
=Negative value
V
=V
>V
2
1N
2N
3N
W
=Negative value
3
W
=Negative value
1
W
=Positive value
2
W
=Negative value
3
W
=Negative value
1
W
=0
2
W
=Negative value
3
W
=Negative value
1
0 300
W
=Negative value
V
=V
=V
2
1N
2N
3N
W
=Negative value
3
W
=0
1
30 330
W
=Negative value
2
W
=Negative value
3
W
=Positive value
1
45 345
W
=Negative value
2
W
=Negative value
3
W
=Positive value
1
75
15
W
=Negative value
2
W
=Negative value
3
W
=Positive value
1
90
30
W
=Negative value
2
W
=0
3
W
=Positive value
1
60
W
=Negative value
V
=V
=V
2
1N
2N
3N
W
=Positive value
3
W
=Positive value
1
90
W
=0
2
W
=Positive value
3
W
=Positive value
1
W
=Positive value
2
W
=Positive value
3
W
=Positive value
1
W
=Positive value
2
W
=Positive value
3
W
=0
1
W
=Positive value
2
W
=Positive value
3
W
=Negative value
1
W
=Positive value
V
=V
=V
1N
2N
3N
2
W
=Positive value
3
W
=Negative value
1
W
=Positive value
2
W
=0
3
W
=Negative value
1
W
=Positive value
2
W
=Negative value
3
W
=Negative value
1
W
=Positive value
V
=V
<V
2
1N
2N
3N
W
=Negative value
3
Current
display
I1
I
I
2
3
Connection between P2 and P0
are reserved. And connection of
CT on side "2" is reserved.
1 2 3
0
K
1K
L
1L
K
2K
I
=I
=I
1
2
3
L
2L
K
3K
L
3L
P1
U
u
V
v
P0
U
u
P3
V
v
P2
U
u
v
V
Connection between P3 and P0
are reserved. And connection of
CT on side "2" is reserved.
1 2 3
0
K
1K
1L
L K
2K
I
=I
=I
1
2
3
L
2L
K
3K
L
3L
u
P1
U
V
v
P0
U
u
P3
V
v
P2
U
u
v
V
Connection between P1 and P2
are reserved. And connection of
CT on side "3" is reserved.
1 2 3
0
K
1K
L
1L
K
2K
I
=I
=I
1
2
3
L
2L
K
3K
L
3L
u
U
P1
V
v
P0
U
u
P3
V
v
U
u
P2
v
V
Connection between P2 and P3
are reserved. And connection of
CT on side "3" is reserved.
1 2 3
0
K
1K
L
1L
K
2K
I
=I
=I
1
2
3
L
2L
K
3K
L
3L
u
U
P1
V
v
P0
U
u
P3
V
v
U
u
P2
v
V
Connection between P1 and P3
are reserved. And connection of
CT on side "3" is reserved.
1 2 3
0
K
1K
L
1L
K
2K
I
=I
=I
1
2
3
L
2L
K
3K
L
3L
u
P1
U
V
v
P0
U
u
P3
V
v
P2
U
u
v
V
Connection between P1 and P0
are reserved. And connection of
CT on side "3" is reserved.
1 2
3
0
K
1K
L
1L
K
2K
L
2L
I
=I
=I
1
2
3
K
3K
L
3L
u
U
P1
V
v
P0
U
u
P3
V
v
u
U
P2
v
V
(43/71)
Indicates improper connection
Wiring

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