TURBINE LUB OIL SYSTEM OF 200 MW

CONTENTSWHY LUB OIL SYSTEM IS NECESSARY COMPONENTS OF LUB OIL SYSTEM FLOW DIAGRAM OF LUB OIL SYSTEM FUNCTIONS OF INDIVIDUAL COMPONENTS OIL FLOW TO DIFFERENT BRANCHES FIRE PROTECTIONS CONTROL OIL

WHY LUB OIL IS NECESSARYLUBRICATION : SUPPLIES OIL TO JOURNAL BEARRINGS TO GIVE AN OIL WEDGE AS THE SHAFT ROTATES MAINTAINS THE TEMP OF BEARINGS H2 COOLED GEN : SEALING MEDIUM TO PREVENT H2 LEAKING OUT ALONG THE SHAFT MEDIUM FOR HYDRAULCALLY OPERATING THE GOVERNOR GEAR DRIVING THE TURNING GEAR JACKING UP THE SHAFT AT SLOW SPEED

COMPONENTSAUXILLARY OIL PUMP JACKING OIL PUMP EMERGENCY OIL PUMP MAIN OIL PUMP EMERGENCY SHUT OFF OIL MAIN OIL COOLERS MOT CENTRIFUGE MOT VAPOUR EXTRACTOR

LUB OIL SYSTEM

HP

IP

LP

GEN

SOST OIL TANK OIL COOLER

AUXILLARY OIL PUMPAOP-Two in numbers Specifications Capacity-78 L/S Discharge pr-6.8 Ksc Speed - 1480 rpm Drive - A.C. Motor Motor power-11 KW Rated Current-53 Amp During start up & shut down AOP supplies the control oil. When turbine speed is less than 2800 rpm it supplies oil to governing system as well as lubrication system

SLC AOPCommand goes to switch ON AOP-1 when : SLC AOP-1 IS ON and AOP-2 trips OR Oil pressure 540 rpm JOP-1 gets off command SLC JOP-2 ON If JOP-1 trips OR JOP pr