Illustration 39 g00637320
Typical Parallel Wye Configuration (60 Hz, 12 Lead) -
for 3406E, 3412C and 3500 series generator sets
only
This is a typical high voltage connection.
Delta Configuration Diagrams
6 Lead Generators
Illustration 40 g00626129
Typical Delta Configuration (60 Hz, 6 Lead)
12 Lead Generators
Illustration 41 g00626130
Typical Delta Configuration (60 Hz, 12 Lead)
Single-Phase Current From a
Three-Phase Generator
Three-phase current and single-phase current can be
taken simultaneously from a generator that is
connected for three-phase service. In the Wye
Configuration, connect the load to the three-phase
leads (any two of the three leads). In the Delta
Configuration, connect the load to the three-phase
leads (any two of the three leads). In both
configurations, this will provide single-phase voltage
at the same voltage as three-phase voltage.
Connect the load to any phase lead and neutral lead
of the Wye Configuration. This will produce voltage at
58% of three-phase voltage.
In the Delta Configuration that produces 240 Volts 60
Hz three-phase power, the voltages will be 208 Volts
between the high phase and neutral and 240 Volts
between either one of the low phases and neutral.
Refer to Operation Section, “Generator Operation”
for allowable single-phase loading unbalance.
Single-phase power that is taken from a three-phase
source can be a problem. Ensure that the single-
phase loading is equally distributed.
Do not exceed the nameplate current rating for any
one phase.
SEBU7125-13
29
Product Information Section
Voltage Connections
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