Saturday 29 June 2013

8. What are the pre-commissioning activities in Boiler, Turbine, Generator and others?

Boiler :
a. Trial run of Auxiliaries which includes the logic confirmation using simulated input/output signal from field/marshalling panel
b. Confirmation of logic and protection for BMS
c. Trial Light up of burners
d. Alkali boil-out
e. Acid cleaning and passivation
f. Steam blowing
g. Safety valves testing

Turbine :
a. Trial run of Auxiliaries which includes the logic confirmation using simulated input/output signal from field/marshalling panel
b. Oil flushing
c. Trial start-up
d. Speed test, confirmation of Auto Run-up System (ARS)

Generator :
a. Trial run of Auxiliaries which includes the logic confirmation using simulated input/output signal from field/marshalling panel
b. Back charging of Transformer. Some Power companies are not allowing this test. Transformers shall be test after generator commissioning
c. Confirmation of Excitation, AVR System
d. OC and SC Test
e. Synchronizing and initial loading

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