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Chapter 4 Terminal Board I/O and Equipment Connections GEH-6632 EX2100 User’s Guide
Power Connections and Analog I/O
Figure 4-1 displays a typical connection diagram of the common power and analog
I/O for an excitation system.
5
3
1
6
4
2
3
1
4
2
3
1
4
2
PTSW1
H3
H2
H1
X3
X2
X1
PT1
P
RI
VA
C :
14
40
0
SE
C
VA
C :
12
0
(O
PE
N
O
R
G
R
O
U
N
D
E
D
Y)
5
3
1
6
4
2
PTSW2
H3
H2
H1
X3
X2
X1
PT2
P
RI
VA
C :
14
40
0
SE
C
VA
C :
12
0
(O
PE
N
O
R
G
R
O
U
N
D
E
D
Y)
CTSW3
CTSW1
-
H3
H2
H1
X3
X2
X1
PPT
P
RI
VA
C :
12
47
0
SE
C
VA
C :
65
0
KV
A
12
80
L3
L2
L1
K3
K2
K1
Customer Supplied
To Bridge 1
Generator Field +
Generator Field -
41AC1
Power Conversion Cabinet
PT
CT
PT
PT
PT
CT
EPCT
5H
5L
1H
1L
5H
5L
1H
1L
Note: Circuits shown
external to the exciter
are for reference only.
1
2
3
Phase Rotation
+
Fa
n-
ou
t
cir
cui
ts
J3
05
J3
08
J3
15
To
EMIO
(M1)
To
EMIO
(M2)
To
EMIO
(C)
Control Cabinet
To
Bridge 1
1
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
17
19
21
23
18
20
22
24
TB1
4
3
2
1
TB2
4
3
2
1
TB3
Power
Flow
12
3
Figure 4-1. Exciter AC Power Supply and PT/CT Wiring