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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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