12-Lead (Three-Phase) Generator Sets - Kohler 6.5RMY Operation Manual

12-Lead (Three-Phase) Generator Sets

NOTE
Current transformers (CTs) are used only on generator
sets equipped with controllers with meters.
NOTE
Position current transformers CT1, CT2, and CT3 with
dot or HI side toward generator set.
60 HZ - 120/240V.- 1PH. 3 WIRE
50 HZ - 110/220V.- 1 PH. 3 WIRE
USED ON GENERATORS 20-100 KW ONLY
CT3 NOT USED
10
7
CT1
L1
4
1
TB2 UP
60 HZ - 120/240V. OR 120/208V. - 3 PH. 4 WIRE LOW WYE
50 HZ - 120/208V. OR 110/190V. - 3 PH. 4 WIRE LOW WYE
L3
CT3
9
12
5
2
TB2 UP V7
5-4 Generator Reconnection
9
11
3
12
5
2
6
L0
METER SCALE
V7 LO
LAMP JUMPER
L0
L1
3 7
CT1
6 10
1
4
11
8
CT2
L2
METER SCALE
LO
LAMP JUMPER
Figure 5-6. Generator Reconnection
Three-phase, 12-lead generator sets are reconnectable
to the voltages and phases shown in Figure 5-6. If the
generator set is reconnected to obtain a different output
voltage, voltage regulator voltage adjustments may be
necessary to obtain desired voltage.
60 HZ - 120/240V. - 3PH. 4 WIRE DELTA
50 HZ - 110/220V. - 3PH. 4 WIRE DELTA
1
10
8
7
CT2
CT1
L1
L2
6
TB2 UP
60 HZ - 277/480V. - 3 PH. 3 WIRE HIGH WYE
50 HZ - 220/380V. - 3 PH. 4 WIRE HIGH WYE
L1
1
CT1
TB2
L2
CT2
4
8
11
3 12 9
METER SCALE
V7 LO
LAMP JUMPER
2
5
4
8
7
10 11
L0
12
L0
9
6
CT3
3
L3
METER SCALE
UP V7 LO
LAMP JUMPER
TP-5631 7/96
2
5
CT3
L3
L2
CT2