Electrical Installation; Description - GE GEK-113045B Manual

2.3 ELECTRICAL INSTALLATION

2.3 ELECTRICAL INSTALLATION
Wire the SPM using one of the following wiring diagrams (one each for brushless, collector ring, and brushless
and collector ring). Pay particular attention to the CT and PT inputs. These inputs must be connected as shown
below for proper power factor protection.
2
NOMENCLATURE
CM
FIELD CURRENT CALIBRATION MODULE
DCCT
DIRECT CURRENT CT
M MAIN CONTACTOR
OL OVERLOAD RELAY
T1, T2, T3
MOTOR TERMINALS
OPTIONAL ACCESSORIES
NOTES:
1) Relays shown with no control power applied to relay
*
2) Trip Relay closed during normal operation
SUPPLY
A
B
C
OL
START
STOP
M
EXCITER
CONTACTOR
M
FIELD
CONTACTOR
6
1 240 VAC
3 120 VAC
FIELD CURRENT
CALIBRATION
MODULE (CM)
2-
4
Courtesy of store.ips.us
TYPICAL BRUSHLESS MOTOR CONNECTION
A
B
C
B1
I2S
PHASE CURRENT INPUT
TYPICAL COLLECTOR RING MOTOR CONNECTION
PHASE C
M
B1
I2S I2T
PHASE CURRENT INPUT
V
B9
1
B10 V
2
G1 CHASSIS GROUND
B8
FILTER GROUND
A23 TRIP1
A22 TRIP2
FCX
MX
A13
N/O
MAIN
A14 COM
AUXILIARY
FCX
A15
N/C
RM
A7 FAR 1
A6 FAR 2
FC
CURRENT
I -
A24 A25
5
2
4
7
8
Figure 2–3: TYPICAL WIRING DIAGRAM
SPM Synchronous Motor Protection and Control
T1
T2
SYNC
MOTOR
T3
VOLTAGE DIVIDER
NETWORK (VDN)
B2 B3 B4
I2T I3S I3T
V +
A18
F
V -
A19
F
(E+)
V + A21
E
(E-)
V -
A20
E
GE POWER MANAGEMENT
FIELD CONTACTOR
SPM
T1
T2
SYNC
MOTOR
T3
VOLTAGE DIVIDER
NETWORK (VDN)
B2 B3 B4
(+)
V +
I3S I3T A18
F
( )
V -
A19
F
(E+)
V +
A21
E
(E-)
V -
A20
E
GE POWER MANAGEMENT
SPM
MX A11
A12
MX1
ON REDUCED VOLTAGE
NX2 A9
STARTERS, REMOVE
JUMPER AND CONNECT
NX1 A10
A NO. AUX CONTACT
FROM THE FINAL STEP
CONTACTOR HERE.
A1
-
+ A2
COMM
A3
GND
FIELD OPTIONAL
REF. VOLT.
PF ANALOG OUTPUT OR
N+ A17
PF REG CONTROL SIG
I +
V V
E E 1EXT 2EXT OUTPUT (IF PF
A16
N-
REGULATOR OPTION)
A5 A4
USED FOR SEPARATELY
SUPPLIED POWER FACTOR
REFERENCE VOLTAGE
(OPTIONAL CONNECTION)
2 INSTALLATION

2.3.1 DESCRIPTION

EF1
EF2
DCCT
R
FC FC
(V+)
(V-)
CM CM EXCITER EXCITER
7 8 V-
V+
FC
F1
FC
F2
FIELD
DISCHARGE
RESISTOR
FIELD
CONTACTOR
FC
(R1)
(F2)
(V+)
(V-)
+
DCCT
-
V- V+
M
EXCITER
RM
TO EXCITER
POWER SUPPLY
TO PLC
OR COMPUTER
BRUSHLESS & COLLECTOR RING - 701756AN.CDR
COLLECTOR RING - 701751.DWG
BRUSHLESS - 701753.DWG
GE Multilin