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CHAPTER 4: ELECTRICAL INSTALLATION
489
889
MULTILIN 489 TO 889 RETROFIT KIT – INSTRUCTION MANUAL
4.2
489 to 889 SLOTS J&K: CT/VT Connections
POSITIVE DIRECTION OF LAGGING VARS
NEUTRAL SIDE CTs
GENERATOR
K1 K2 K3 K4 K5 K6 K7 K8
I
N
I
N
I
N
I
N
A
C
G
B
PHASE A PHASE B PHASE C
GROUND
CURRENT INPUTS
Type
Function
Voltages
Va polarity
Voltages
Va non-polarity
Voltages
Vb polarity
Voltages
Vb non-polarity
Voltages
Vc polarity
Voltages
Vc non-polarity
Voltages
V common
Voltages
V Neutral / Vx
polarity
Voltages
V Neutral / Vx non-
polarity
489 TO 889 SLOTS J&K: CT/VT CONNECTIONS
TERMINAL SIDE CTs
J1 J2
J3 J4
J5 J6 J7 J8
I
I
I
I
N
N
N
N
A
B
C
G
PHASE A PHASE B PHASE C
GROUND
CURRENT INPUTS
Figure 4-4: 489 and 889 CT/VT Wiring
Table 4–3: VT Connections
489
G2
N/A
H1
N/A
H2
N/A
G1
F10
E10
DIRECTION OF POWER FLOW FOR POSITIVE WATTS
BREAKER (52)
WYE VT
CONNECTION
J16 J15 J14 J13 J12 J11 J10 J9
V
V
V
V
V
V
V
V
X
C
C
B
B
A
A
X
VOLTAGE INPUTS
889
Wye
Delta
J9
J9
J10
J10-J11
J11
J11
J12
J12-J13
J13
J13
J14
J14-J9
J10, J12, J14
N/R
J15
J15
J16
J16
Phase A
Phase B
Phase C
21
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