
AVC63-12
or
AVC125-10
2
3
4 5 5a 6 6a 7 8
20 22 24 26 28 30
F1 F2
9
CH
GND
R
R
Chassis
Ground
2
5
KTK 20 AMP
KTK 20 AMP
1
3
9
SHOWN WITH 3-PHASE PMG. FOR SINGLE PHASE
PMG, OMIT A-PHASE CONNECTION TO TERMINAL 26.
10K
PMG
GEN
52
A
A
B
B
C
C
9
6
Sensing
Power
Output
AVC63-12
or
AVC125-10
2
3
4 5 5a 6 6a 7 8
20 22 24 26 28 30
F1 F2
9
CH
GND
R
R
Chassis
Ground
2
5
KTK 20 AMP
KTK 20 AMP
1
3
1
2
3
5
6
4
CONNECT 2 AND 3 TO SCP250 VAR/PF AND El200
CONTROLLERS AS SHOWN IN FIGURE 7. SHORT
WHEN NOT USED.
REQUIRED FOR 3-PHASE SENSING. ALSO
REFERENCE NOTE 2.
POWER STEPDOWN TRANSORMER REQUIRED
IF GENERATOR VOLTAGE DOES NOT MATCH THE
REGULATOR INPUT POWER RANGE.
SENSING STEPDOWN TRANSFORMER REQUIRED
IF GENERATOR VOLTAGE DOES NOT MATCH THE
SENSING VOLTAGE RANGE IDENTIFIED BY THE
VOLTAGE REGULATOR'S STYLE NUMBER.
REFERENCE STYLE CHART.
10K
GEN
52
A
B
C
6
D2590-34.w m f
09-2
- 0-01
4
7 ABC ROTATION SHOWN.
8
LDC COMPENSATES FOR VOLTAGE DROP DUE TO
LINE REACTANCE AND REACTIVE COMPONENTS
OF THE LOAD CURRENT ONLY.
For Line Drop Compensation,
reverse the CT inputs.
8
5 5a 6
Sensing
Power
Output
CONNECT 6a TO 9 FOR 3-PHASE SENSING,
OPEN FOR 1-PHASE SENSING.
CONNECT 6a TO 8 FOR 1 V/Hz, REMOVE
FOR 2 V/Hz UNDERFREQUENCY SLOPE.
CONNECT REMOTE VOLTAGE ADJUST FROM
6a TO 7, REMOVE LINK 4-7 IF FITTED WITH A
REMOTE ADJUST.
CONNECT TO TERMINAL 5 FOR 1 AMP CT.
.
CONNECT TO TERMINAL 5a FOR 5 AMP CT
Figure 6. Typical Interconnection Diagram
DC Output Voltage
210
230
250
270
290
310
330
350
1
10
100
Shutdown Region
Time In Seconds
Figure 4. AVC125-10 Overexcitation Shutdown Characteristics
L
C
2
3
Part of
AVC63-12
or
AVC125-10
Part of
EL200
P0009-25.vsd
06-26-01
A
C
Part of
SCP250
NOTE: AVC Units may be connected to
either the EL200 or the SCP250 using the
terminals as shown in place of this series
interconnection. See the unit Instruction
Manuals for more information.
Figure 7. AVC Interconnection Diagram
70
90
110
DC Output Voltage
130 150 170 190 210 230
Time In Seconds
1
10
100
S h u t d o w n R e g i o n
Figure 3. AVC63-12 Overexcitation Shutdown Characteristics
GEN 1
GEN 2
5 or 5A
6
AVC
0.1
0.1
CT
CT
LOAD
CCC
ENABLE
CONTACT
5 or 5A
GEN 3
0.1
CT
P0009-26.vsd
08-10-01
5 or 5A
52b
1
52
1
52
2
52b
2
52b
3
52
3
AVC
AVC
6
6
Figure 8. Cross-Current Compensation
F 1
F 2
28
30
20
22
A V C 6 3 - 1 2
A N D
A V C 1 2 5 - 1 0
D 2 5 9 0 - 3 3 . v s d
0 6 - 1 5 - 0 1
10
o h m
Input
Power
1 0 0 W
L a m p
24
26
2
3
5
6
6a
7
8
5a
9
4
C H
G N D
Sensing
Voltage
Figure 9. Operational Test Set-Up