Post on 05-Apr-2018
transcript
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FUNCTIONS OF THE GOVERNINGSYSTEM
FUNCTIONS OF THE GOVERNINGSYSTEM
To control the initial run up and synchronizationof the machine
To regulate the steam control valve position and
hence load generated.To assist in matching the power generated to
that demanded by responding to the network
frequency changes.To contain the speed rise within acceptable
limits if the unit gets disconnected from load.
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REMOTE TRIP SOLENOIDS
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TURBINE TRIP GEAR
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AUX
TRIPFLUI
D
DRAIN DRAIN
REMOTE TRIP SOLENOIDS
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AUX
TRIPFLUI
D
DRAINDRAIN
REMOTE TRIP SOLENOIDS
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MAIN TRIP VALVE IN RESET POSITION
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CONTROL FLUID
AUX START-UP FLUID
START-UP FLUID
AUXSE
CONDARY
F
LUID
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CONTROL FLUID
AUX START-UP FLUID
START-UP FLUID
AUX
SECO
NDARY
FLU
ID
PRIMARY OIL
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SPEEDER GEAR
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