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Small brush-type Starter/Generator
Uses a two speed transmission. |
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Prototype Brushless Alternator/Starter
Uses 3 Phase controls
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Combination
Starter-Generators or Starter-Alternators make sense
in some applications. The choice of a combination
unit or separate modules depends on the starter torque
required and the alternator or generator power required.
If the starter torque required is significantly larger
than the alternator power needed, it is usually lighter
and less complex to use a geared starter module and
a direct drive alternator.
The two speed transmission has some significant drawbacks
(noise, maintenance and reliability) and is normally
only used on short duration, limited life vehicles.
When the starter torque and alternator capacity are
fairly close, a combination starter-alternator may
be a good solution. Generally, the unit will be physically
larger and heavier than a starter or alternator alone,
but may be lighter overall than both modules together.
Please contact us
for a more thorough discussion of the merits of each
type of design. |
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