AUTOMATIC TURBINE TESTER
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
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
GOVERNING RACK
ATT SCHEME PART-1
ATT
SCHEME
PART-2
ATT SCHEME
PART-3
ATT SCHEME
PART-4
ATT FOR PROTECTION DEVICES
CHANGEOVER
VALVE FOR
AUTOMATIC
TESTING
DEVICE
HYDRAULIC LOW
VACUUM TRIP
LOW VACUUM TRIP
OVERSPEED TRIP
THRUST BEARING TRIP DEVICE
HYDRAULIC TEST
SIGNAL
TRANSMITTER FOR
OVERSPEED TRIPS
MAIN TRIP VALVE
REMOTE TRIP
SOLENOID VALVE
1
2
3
II
RESET SOLENOID
ATT FOR STOP & CONTROL VALVES
AUTOMATIC TURBINE TESTER FOR STOP VALVES AND
CONTROL VALVES
STOP VALVES AND CONTROL VALVES
TEST VALVE
STOP VALVE SPRING
ASSEMBLY
CONTROL VALVE
THANK YOU