Operation
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Winterthur Gas & Diesel Ltd.
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3.2 Control System
The CPP control functions are usually part of the engine control system and include
the functions in the paragraphs that follow.
3.2.1 Combinator Mode 1
Combinator mode for operation without a shaft generator. A combinator curve that
includes an applicable light running margin can be set in the permitted operation area,
Line 7 (see Fig. 2).
3.2.2 Combinator Mode 2
An optional mode used in connection with shaft generators. During maneuvering, the
combinator curve follows the Line 9. At sea the engine is operated between point F
and 100% power (Line 8) at constant speed .
For manual and/or emergency operation, different setpoints for speed and pitch are
usually supplied.
An alarm is also usually given in the main engine safety system, or the alarm and
monitoring system when the engine operates for more than three minutes in the
operation area that is not permitted. If the engine operates for more than five minutes
in the operation area that is not permitted, the engine speed must be decreased to
idle speed (less than 70% ).
2014
The Relation between Engine and Propeller
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