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Westerbeke Universal M-50 - Alternator Test Procedures

Westerbeke Universal M-50
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INTEGRAL REGULATOR
Integral Voltage Regulator
The voltage regulator is
an
electronic switching device which senses system voltage level and
switches the
voltage applied to the field
in
order to maintain proper system voltage.
The regulator design utilizes all silicon semi-conductors and thick-film assembly techniques. After
the
voltage has been adjusted to the proper regulating valve, the entire circuit is encapsulated to
protect the circuit and the components from
possible damage due to handling or vibration and
moisture encountered
in
a vehicle.
The voltage regulator is also temperature compensated to provide a slightly higher voltage at low
temperatures and a lower voltage at higher temperatures to provide for charging requirements of
the battery under these conditions.
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1000 2000 3000 4000 5000 6000 7000
ALTERNATOR SHAFT
RPM
TYPICAL PERFORMANCE CURVES
@AMBIENT
TEMPERATURE OF 75
0
(23.8°C) SAE TEST METHOD
56
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