M.Tech I Year I Semester (R17)
Preparation of commissioning, trial run of various equipments, commissioning of valves, air and gas tightness test of boiler. Chemical cleaning boiler, preparation for boiler light up, thermal flow test of water walls and economizers, steam blowing.
Safety valves setting, reliable run of boiler. Hydraulic test of boiler. Alkaline flushing and commissioning of regenerative system, acid cleaning of oil pipe lines, oil flushing procedure of lubricating oil and governing system. Turbine Lubricating oil flow testing steam blowing, reheater safety valve, vacuum tightness test, ejector testing.
Commissioning of governing system and ATRS & ATT, and TSE. Commissioning of generator and auxiliaries (Generator testing, rotor and stator cooling system, excitation system)Commissioning of electrical system (Circuit breakers, isolators, CT and PT, rectifiers, switchgear, DC System).C&I Commissioning activities (Minimum instrumentations required for major C&I commissioning, commissioning of control valve, tuning of control valves). Discussion/Appraisal.
Availability of electrical supply to the equipment (source feeder of each equipment, points of isolation of the equipment, locking during isolation, permit to work system). Boiler pre light up checks. (Meaning of light up, shut down, tripping, starting etc.,l No pending permits, local checks). Operation of service auxiliaries (cooling water pump, compressors, auxiliary steam, fuel oil pump). Operation of air-pre heater and ID fan )(Rechecks, flow path line up, permissives, interlocks).
Operation of FD & PA Fans (pre checks, flow path line up permissives, interlocks). Mill operation (pre checks, flow path line up, permissives, interlocks). FSSS (Secondary air, burner tilt, fuel and air control). Drum level control, Super Heater, Re-Heater, temperature control and their interlocks. Operation of turbine lubricating system and barring gear. Operation of condensate and feed water system (BFP, Heaters CEP). HP/LP Bypass operation and turbine heating. Turbine rolling and synchronization. Operation of generator cooling system (stator and hydrogen cooling). Operation of Generator excitation system AVR. Operation of Turbine governing system. Integrated operation of unit (unit loading and shut down sequence) Operational difference between cold start up, warm start up and hot start up. Load dispatching and coordination with load dispatch center.
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