Owner manual

B-2 Typical MV SMC Flex Wiring Diagrams
1503E-IN001E-EN-P – June 2013
CURRENT LIMITING
POWER FUSES
L1
ISOLATING SWITCH
DOOR INTERLOCK
GRDL2 L3
MAXIMUM TWO STARTS PER HOUR WITH A
MINIMUM OF FIVE MINUTES BETWEEN STARTS.
CAUTION:
WIRE CONNECTIONS FOR PHASE A
REMOTE EQUIPMENT
CONNECTIONS SHOWN FOR PHASE C
WIRE CONNECTIONS FOR PHASE B
TO SMC-FLEX
TO CONTROL CIRCUIT
CURRENT LIMITING
PRIMARY FUSES
500
CPT
H1 H2
X1 X2
VA
VOLTAGE SENSING BOARDSMC-FLEX INTERFACE BOARD
24C
4160V AC, 3Ø, 60Hz
4200V
120V
CURRENT LOOP CONDUCTORS PASS THROUGH THE C.T.'S
ON THE GATE DRIVER BOARDS (CLGD)
C
A
B
C
A
B
A
B
G
CL
CONNECT TO GROUND ONLY IF POWER SYSTEM IS GROUNDEDG
VSB
1B
2B
3B
4B
5B
6B
GND2GND1
A: 4800-7200V
B: 2500-4799V
C: 1450-2499V
D: 800-1449V
J1
IS
ISa
M
B
CT3
CT2
CT1
T1
T2
T3
MTR
2
OV1
1
RS1
S1
OV2
RR1
CS1
S2
4
S4
3
OV4
S3
OV3
RR2
RS2 CS2
C1 C2 C3 C4
TX1RX1 G C
TEST
CT
CLGD
-+ OV S
T
C
CLGDCLGD
CRX1 TX1 G
TEST
CT
RX1T TX1 G
CT
TEST
S+ OV- C -+ OV
C T TX1RX1 G
CT
TEST
C T
CLGD
OVS C + - S C
SMCFLEXIB
TB6
PHASE APHASE C
U16
TX17
TX18
U18
U20
TEMP.
CT INPUTS
TX10
GATE TRANSMITTERS
PHASE B
TX12
TX11
TX13
TX14
TX15
TX16
TX6
TX5
TX9
TX8
TX7
TX4
GDPS
C+
A-
A+
B+
B-
TB5
C-
TX2
TX1
TX3
VSB
TB21
Vcom
T3
T1
T2
L3
L2
L1
L1
L2
L3
FROM CLT
GFCT
100:1
(OPTIONAL)
G
L2/N
L1
POWER
IN
POWER
OUT
TB1
J3
FROM
CONTROL
CIRCUIT
TO SMC-FLEX
(11, 12)
(27, 28)
Figure B.1 – Typical MV SMC Flex Schematic Diagram, 3300/4160V (1 of 2)