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ROLE OF LUBRICANTS IN POWER SECTOR
RAYALASEEMA THERMAL POWER PROJECTAP GENCO
V.V.REDDY NAGAR/KADAPA(DIST),AP
Presented By
KODANDA PANI VUDUGUNDLAADE/TURBINE MAINTENANCE/STAGE-III
INSTALLED CAPACITY OF RTPPNAME Stage
no.Unit no. capacit
yDate of commissioning
RTPP,V V Reddy Nagar-516 312Yerraguntla(Mandal)KADAPA (Dt).
I Unit-IUnit-2
210 MW210 MW
31-03-199425-02-1995
II Unit-3Unit-4
210 MW210 MW
24.01.200717.04.2007
III Unit-5 210 MW
10.02.2011
IV Unit-6 600 MW
Under construction
BASIC LAYOUT OF 210MW TPP
MAIN PLANT EQUIPMENT IN TPP NEED LUBRICATION
BOLIER AUXILLARIES LIKE COAL MILLS,APH,PA FAN,FD FAN,ID FAN etcTURBINE AUXILLARIES LIKE MAINTURBINE BEARINGS,BFP,
CEP,ACWP,DMCWP AND CWP etcGENERATOR AUXILLARIES LIKE GENERATOR & EXCITOR BEARINGS
LUBRICATION OF POWER PLANT EQUIPMENT
NECESSITY OF LUBRICATIONTo reduce friction and wear between two
surfaces moving relative to one another To dissipates heat and act as cooling
mediaTo prevents rust or corrosion, acts as a
seal to outside contaminantsTo reduce force of friction there by
reduction in input energy
OILS USING IN TURBO GENERATOR SET SERVO PRIME-46 SERVO CONVAL-46 SERVO SYSTEM HLP-32FUNCTION OF SERVOPRIME-46 OIL LUBRICATION AND COOLING TURBINE BEARINGS JACKING UP TURBINE SHAFT DURING START UP AND SHUT
DOWN OF UNIT DRIVING HYDRAULIC TURNING MOTOR SUPPLYING CONTROL OIL TO GOVERNING SYSTEM SEALIN OIL TO GENERATOR H2 GASFUNCTION OF SERVOCONVAL-46 OIL ACT AS HYDRAULIC FLIUD TO OPERATE HP BYPASS SYSTEMFUNCTION OF SERVO SYSTEM HLP-32 OIL LUBRICATION TO TOTAL BOILER FEED PUMP SET HYDRAULIC COULPING
SERVOPRIME-46 IN MAIN TURBINE LUBRICATING SCHEME
TURBINE BEARING TEMPERATURES
SERVOPRIME-46 IN GENERATOR SEAL OIL SYSTEM
SCHEME OF LUB OIL AND WORKING OIL OF BOILER FEED PUMP SET(SERVO SYSTEM HLP-32 OIL IN HYDRAULIC COUPLING CHAMBER)
APPLICATION OF SERVOCONVAL-46 IN HIGH PRESSURE BYPASS SYSTEM
Turbine Oil SpecificationS.NO PROPERTIES VALUE
1 Kinematic Viscosity 41.4 – 50.6 cst2 VISCOSITY INDEX Min. 98
4SPECIFIC GRAVITY AT 50 DEG 0.85
5 FLASH POINT Min. 200°C6 POUR POINT - 6°C max.
7Total acidity after 1000 hrs. Oxidation
Max. 2.0 mg of KOH per gm. of oil
TURBINE OIL AS PER M/s BHEL RECOMENDATION
Oil of viscosity class ISO VG 46 shall be USEDThe oil shall be a petroleum product with or without
additives to meet the requirement of this standard.The finished oil shall be clear and free from water,
suspended matter, dirt, sediment and other impurities.
The turbine oil must be capable of withstanding bearing temperature of max. 130°C without physical and chemical degradation.
The properties of the oil shall not be affected by centrifuging or filtering
LUBRICANTS IN 210MW THERMAL POWER PLANT
SERVOPRIME-46SERVOPRIME-68SERVOSYTEM HLP-32SERVOMESH SP-320SERVOCYCLE C-680SERVOCONVAL-46SERVOSYSTEM-150SERVOSYSTEM-220SERVOSYSTEM-32SERVOMESH-SP-460SERVOSYSTEM-68SERVOMESH-680
Types of lubricants procuring from IOCL
THANK YOU