FIELD: engines and pumps.
SUBSTANCE: additionally with the help of an autonomous engine protection unit (EPU) of the GTP, speed of the GTP turbine is measured, which provides for driving of a marine screw, the measured value is compared with the pre-specified limit, defined through calculations and experiments for each GTP type and confirmed in process of GTP acceptance tests, as power turbine speed exceeds the pre-specified limit for the specified time, fuel supply to the GTP combustion chamber is stopped with the help of the EPU and an emergency switch, a signal is generated "Protection against power turbine overspeed" and sent to the ship management system.
EFFECT: increased reliability of GTP operation and ship safety.
1 dwg
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