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12-LEAD, BROAD RANGE STATORS
This type of stator winding forms a 12-lead configu-
ration and has six coils or windings.
High Wye Stator Connection
Units with this broad range stator connection may
be assigned any of the following voltage codes
(Figure 1.2):
• "K" units are rated 277/480 volts, three-phase,
60 Hz.
• "R" units are rated 231/400 volts, three-phase,
50 Hz.
Different voltage ratings are available from the
same stator connection by adjusting the voltage
regulator.
Figure 1.2 – High Wye Stator Connection
Low Wye Stator Connection
Units with this broad range stator connection may
be assigned any of the following voltage codes
(Figure 1.3):
• "G" units are rated 120/208 volts, three-phase,
60 Hz.
• "N" units are rated 115/200 volts, three-phase,
50 Hz.
Different voltage ratings are available from the
same stator connection by adjusting the voltage
regulator.
NOTE:
NOTE:
Section 1 – General Information
Generac Standby Generator Sets
Figure 1.3 – Low Wye Stator Connection
Zigzag Stator Connection
This type of stator has six coils connected in a zigzag
fashion (Figure 1.4). This type of stator connection
does not have an assigned Generac voltage code.
Figure 1.4 – Zigzag Stator Connection
Three-phase Delta Stator Connection
This type of stator has six coils and 12 leads (Figure
1.5). Units may be assigned any of the following volt-
age codes:
• "J" units are rated 120/240 volts, three-phase,
60 Hz.
• "P" units are rated 100/200 volts, three-phase,
50 Hz.
Figure 1.5 – Three-phase Delta Stator Connection
Generac
®
Power Systems, Inc.
9
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