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TM 9-8000
Figure 13-31. Inductor Alternator
or a separate self-contained system.
are constant with generator speed.
Some oil-cooled system advantages are that the
Several disadvantages encountered with oil cooling
generator can be sealed completely, preventing entrance
include the consideration that complex manifolding,
of foreign matter; cooling oil can be used for bearing
porting, seals, and passages increase costs; and that
lubrication; the rotor can be solid, reducing windage
auxiliary heat exchangers and pumps increase cost,
losses; and generator efficiency can be higher because
weight, and complexity.
the effective losses that occur in oil circulation


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