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AUTOMATIC TURBINE TESTER

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AUTOMATIC TURBINE TESTER

HEALTHINESS OF FOLLOWING COMPONENTS IS

CHECKED ONLINE (WITHOUT TRIPPING OF TURBINE)

PROTECTION DEVICES

- FUNCTIONING OF REMOTE TRIP SOLENOID- FUNCTIONING OF OVERSPEED TRIP FLYBOLTS

- FUNCTIONING OF HYDRUALIC LOW VACUUM TRIP

- FUNCTIONING OF THRUST BEARING TRIP

TURBINE STOP & CONTROL VALVE

- FREE MOVEMENT OF ALL HP / IP STOP VALVES

- FREE MOVEMENT OF ALL HP / IP CONTROL VALVES

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SCHEDULE OF TESTING

ATT FOR PROTECTION DEVICES

-TWICE IN A WEEK

ATT FOR TURBINE STOP & CONTROL VALVE-ONCE IN A MONTH

ATT FOR PROTECTION DEVICES IS CONDUCTED AT FULL

LOAD CONDITION WHEREAS FOR TURBINE STOP &

CONTROL VALVE IT IS CONDUCTED AT PART LOAD

CONDITION

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GOVERNING RACK

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ATT SCHEME PART-1

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ATTSCHEME

PART-2

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ATT SCHEMEPART-3

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ATT SCHEMEPART-4

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ATT FOR PROTECTION DEVICES

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CHANGEOVER

VALVE FOR

AUTOMATIC

TESTING

DEVICE

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CHANGEOVER VALVE IN GOVERNING RACK

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HYDRAULIC LOW

VACUUM TRIP

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LOW VACUUM TRIP

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OVERSPEED TRIP

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THRUST BEARING TRIP DEVICE

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HYDRAULIC TEST

SIGNAL

TRANSMITTER FOR

OVERSPEED TRIPS

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MAIN TRIP VALVE

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REMOTE TRIP

SOLENOID VALVE

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1

2

3

II

RESET SOLENOID

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ATT FOR STOP & CONTROL VALVES

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AUTOMATIC TURBINE TESTER FOR STOP VALVES AND

CONTROL VALVES

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SOLENOID VALVES FOR ATT OF VALVES

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STOP VALVES AND CONTROL VALVES

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TEST VALVE STOP VALVE SPRING

ASSEMBLY

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CONTROL VALVE

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THANK YOU