3-Phase Alternators ("Delta" Configuration) - Generac Power Systems QT Series Owner's Manual

Figure 7.1 — Stator Power Winding
Connections - 3-phase, 346/600V (6 Lead)
INTERNAL
CONNECTIONS
S6
E3 S3
Stationary Emergency Generator
General Information
S1 E1
L-L
S4
NEUTRAL
S5
S2
L-N
3-PHASE ALTERNATORS
("DELTA" CONFIGURATION)
The Stationary Emergency Generator is designed
to supply 3-phase electrical loads. Electric power is
produced in the alternator power windings. These
windings were connected at the factory to the main
circuit breaker with a "Delta" configuration as shown
in Figures 7.5.
The rated voltage between circuit breaker terminals
E1-E2, E1-E3 and E2-E3 is 208V.
The rated voltage between E1 or E3 and the neutral
point 00 is 120V.
Figure 7.5 — Stator Power Winding
Connections - 3-phase, 120/240V (12 Lead)
E2
7-2
E2
E1 E