Tg turbine
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specifications

specifications
governor
alarms & tripping
operation parameters
operating alarms
lube oil system

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Tg turbine Presentation Transcript

  • 1. TG turbine
  • 2. T-G SPECIFICATIONSO/P 225OO KVANO OF PHASES 3NO OF POLES 4VOLTAGE 11 KVCURRENT 1181FREQUENCY 50 HZSPEED 1500 RPMP.F 0.9RATING CONTEXCITATION VOLT 244 VFIELD CURRENT 452CLASS OF INSULATION: ARMATURE: F FIELD: F
  • 3. GVC TG 0.2 To condenser k/c2 -0.2 k/c2 150 c Vapor in1.1k/c2 Gland sealing steam 25 k/c2 To Condenser
  • 4. EJECTOR TGFROM CONDENSER TO PDM START UP IJECTOR TO CONDENSER condensate vapor46 steam ejector
  • 5. TG GOVERNERMake GE MDT 80TYPE ELECTRONIC SPEED CONTROLSpeed regulation 0 to 5 % droopSpeed control range 0 to 105 % of ratedSpeed setting accuracy +- 0.1 % of ratedPressure regulation 0 to 10 % of droopPressure control range 0.85 to 1.15 % of ratedPressure setting accuracy +- 2 % of ratedHydraulic pr 200 +- 5 psigBearing pr Turbine 21 +- 2 psigAll setting to be made at Oil temp to bearing 110 to 120 of
  • 6. TG ALARMS AND TRIPPINGSr Parameterno1 LUB OIL PR LOW AA1 1 K/C22 LUB OIL PR LOW AA2 0.8 K/C23 CONTRO OIL PR LOW ALARM AA3 10 K/C24 ACROSS FILTER DP LOW AA4 1 K/C25 LUB OIL TANK LEVEL LOW AA5 13 INCH 1 INCH6 LUB OIL TEMP HIGH AA6 42 597 RTD FAULTY OR SUPPLY FAILS AA78 BEARING OR WINDING TEMP HIGH AA8 51/65 75/959 BEARING OR WINDING TEMP VERY AA9 80 130 HIGH10 RTD FAULTY OR FAIL AA1011 BEARING TEMP HIGH AA11 12012 BEARING TEMP VERY HIGH AA12 13013 TRANSDUCER FAULTY OR SUPPLY AA13 FAILS14 AXIAL DISPLACEMENT HIGH AA14 15/18 MILS 20 MILS15 AXIAL DISPLACEMENT IS VERY AA15 28 MILS HIGH TURBINE TRIPS16 TG SET VIBRATION HIGH AA16 Alarm- 3.6/3.4/1.4/2.4/3. 6/4 mils
  • 7. TG ALARMS AND TRIPPINGSr Parameterno17 TG SET VIBRATION VERY HIGH AA17 4.8/4.8/2.6/4.6/4. TURBINE TRIPS 5/4.8 mils18 2 SPEED PICK FAIL TURBINE TRIPS AA1819 OVER SPEED TURBINE TRIPS AA1920 GCPS 1 FAILS MAINTENANCE AA20 REQUIRED ALARM21 SPEED PICK UP-1 FAILS AA21 MAINTENANCE REQUIRED ALARM22 TURBINE RUNNING BELOW 4 RPM AA22 TO START THE BARRING GEAR23 ABOVE 110% SP TURBINE RUNNING AA23 HSS24 LOAD CONTROL AA2425 EXHAUST PRESSURE VERY HIGH AA25 0.55KG/CM2 OR TURBINE TRIP- 40.85 CM HG (VACUUM)26 INLET STEAM TEMPERATURE VERY AA26 365*C LOW TURBINE TRIP27 TURBINE INLET CLOSED BELOW AA27 COOLING LIMIT28 TURBINE SIXTH STAGE AA28 260/370 *C TEMPERATURE HIGH ALARM/TIPPING –29 TURBINE TRIP DUE TO ELECTRICAL AA29 FAULT
  • 8. TG ALARMS AND TRIPPINGSr no Parameter30 EXHAUST PRESSURE HIGH AA3031 MANUAL TRIP ALARM AA3132 AA3233 INLET STEAM TEMP LOW AA33 43034 1ST EXTRACTION PR HIGH AA34 10 K/C2 SV 10.7 K/C235 1ST EXTRACTION PR VERY HIGH AA35 11.5 K/C236 II ND EXTRACTION PR HIGH AA36 4.6 K/C2 SV 4.737 II ND EXTRACTION PR VERY HIGH AA37 5.0 K/C238 EXHAUST TEMP ALARM AA38 80 0C39 INLET STEAM PR LOW ALARM AA39 70 K/C240 MAIN STEAM PR LOW ALARM AA 40 74 K/C241 Inlet Steam Temperature Very Low AA41 365 OC42 Ist Ext. Press. Low after NRV AA4243 IInd Ext. Press. Low after NRV AA4344 AA4445 Exhaust Hood Temperature High AA45 80 *C46 86G Or HT Panel Breaker Trip AA46 (Electrical Fault)47 SLIT Or HT Panel breaker Trip AA47 Process Fault
  • 9. TG ALARMS AND TRIPPINGSr no Parameter48 Hot Air Temperature High AA 48 (39/45 *C) 75/80 *C49 Hot Well Level Low AA 49 70% 40%50 Hot Well Level Very Low AA 50 35%51 Hot Well Level High AA 5152 AA 5253 CW Inlet Pressure Low AA 53 1.5 Kg/cm2 0.9 Kg/cm254 Ist Extraction Temperature High(After AA 54 250 *C DSS)250 *C55 IInd Extraction Temperature High AA 55 150 *C56 Ist Ext. Press. High Before NRV AA 5657 IInd Ext. Press. High Before NRV AA 5758 Ist Ext. Steam Temperature Low AA 5859 IInd Ext. Steam Temperature Low AA 5960 SLIT 502 (Turbine Trip) AA 60
  • 10. Sr Parameter OV Unit ALARM Sr Parameter OV Alar Tripno no m BEARINGTEMPERATURES (OC) LAOD (MW) 8.7 TURBINE JOURNEL TG OPERATING PARAMETERS SPEED (RPM) 8000 HP BEARING 80/71(9) STEAM PRESSURE(K/C2) LP BEARING 82/79 MAIN ST PRESSURE 85 TURBINE THURST + VE 70/67 IST EXTR PRESSRE 10 68/66(8) II ND EXTR 3 TURBINE THURST -VE 55/53 51/54 EXHAUST STEAM 1/09 GEAR BOX STEAM TEMPERATURES (OC) PINION TURBINE END 84/87 MAIN STEAM 470 PINION ALTERNATOR END 79/81 IST EXTR 270 GEAR WHEEL TURBINE END 60/61 II ND EXTR 194 GEAR WHEEL ALTERNATOR END 70/67(3) EXHAUST STEAM 40 GENERATOR TURBINE END 50/51 LUBE OIL PRESSURE (K/C2) 1.55/1. GENERATOR ALTERNATOR END 50/49 35 ROTOR AXIAL POSITION (MILLS) 17/19 CONTROL OIL PRESSURE 14/12. VIBRATIONS( MILS) VER / HZT (K/C2) 8 TURBINE HP BEARING 1.2/0.9 FLOW (TON/HR) TURBINE LP BEARING 2.2/2.5 MAIN STEAM 85 GEAR PINION TURBINE END 4.5/4.0 IST EXTR 28 GEAR PINION ALT END 4/4 II ND EXTR 35 GENERATOR 2.5/3.6 CONDENSER 9 2.2/2.1
  • 11. Sr Parameter OV U ALARM Sr Parameter OV Alar Tripno (TEMP – OC AND PRESSURE- nit no m K/C2) PRIMARY EJET STEAM PR 40 CONDENSER LEVEL 70 5 SECONDARY EJECT. STEAM PR 40 TG OPERATING PARAMETERS GEAR BOX OIL TEMP (0C) 70 PRIMARY EJECT VACUUM 700 VACUUM 70 (MMHG) IST EXTR DESUP TEMP.(OC) 257 SEC.EJECT. VACUUM(MMHG) 570 CONDENSATE PUMP PR(K/C2) 4.25 COND OUTLET TEMP 42 COND. PUMP LOAD (AMPS) 22 COND VACUUM AT GVC MMHG 0.15 CW PR COND. INLET (K/C2) 1.2 COND TEMP AT GVC 150 CW PR COND. OUTLET (K/C2 CW TEMP IN TO LUB OIL 22 COOLER CW TEMP OUT TO LUB OIL 30 COOLER MOP DISCH OIL PR 0.25/1 3.7 BEARING OIL DRAIN TEMP 61/63 LUB OIL COOLER OUTLET 40 COND CW OUTLET TEMP 25 TURBINE 6 TH STAGE TEMP 215 I ST STAGE SHELL PR 46 GLAND STEAM PRESSURE 0.45 VANE 1 1.5 VANE 2 13/8 VANE 3 3/4
  • 12. Sr Parameter Sr Parameterno (TEMP – OC AND PRESSURE- no K/C2) SAFETY RELIEF VALVE Low lub oil pr alarm 1.0 SETTINGS TG OPERATING ALRMS Very low lub oil trip switch 0.8 1ST EXTRACTION SAFETY V/V 10.7 2 NOS Low control oil pressure alarm 10 2ND EXT SAFETY V/V 3.7 2 NOS 1 st ext steam pr high alarm 10 LUB OIL SAFETY V/V 2.4 2nd ext steam pressure high alarm 4.6 CONTROL OIL SAFETY V/V 15.5 & 17 1st ext pr very high trip switch 11.5 EXH HOOD SENTINEL RELIEF 5 PSI 2nd ext steam pressure very high trip 5 STEAM SEAL LINE RELIEF 15 PSI switch CONDENSER SAFERTY V/V 5 PSI Lub oil pr drop across the filter 5 psi alarm JOURNEL BEARING TEMP ALARM 250 OF 121 OC Barring gear interlock with low lub 0.8 oil pressure JOURNEL BEARING TEMP HIGH 275 OF 135 OC TRIP Exhaust hood very low vacuum trip 0.55 TRUST BEARING TEMP HIGH 275 OF 135 OC AOP auto start 11 THRUST BEARING TEMP HIGH 300 OF 148 OC Gear oil pump start indication 10 TRIP VIBRATION PROBES ALARM TRIP 5.0 EOP Steam driven start indication 10 3.5 MILS MILS AC driven oil pump start indication 10 EOP auto start 10 ROTOR POSTION PROBE AL -10 TRIP 20 MILLS MILS Lub oil temperature alarm 59 CRITICAL SPEED 1ST 1900 Exh hood high temperature alarm CRITICAL SPEED 2ND 4800 ELECT GOVER./ TRIP 8606 MECH TRIPIING 8890
  • 13. TG LUB OIL SYSTEM GEAR BOXALT A END HP & THRUST ALT T END LP BEARING MOP 1.4 LUB V 1,2,3 G 14 CONTROL EOP LOC LOC LOC AOP F
  • 14. EOP (Emergency oil pump) Condensate Extraction pump(Steam Driven)Make :Triveni Make :KSB Mather and Platt Type :CPK 60 M M3 /HR :50M3 /HR :78 HEAD (M) :50 Head (m) :206 RPM :1440 RPM :2975 Inlet steam pr. :46 42 Motor Inlet st. Temp. :410 405) Exh. Pr.(kg/cm2 KW(HP) :15 (20):03 RPM :1455 RPM :2930 AMPS :29 KW :75 Over speed trip :3345 LUBE OIL FILTER Exh. Relief (kg/c2) :3.5 Ful flow commercial filters Ist critical speed :7400 Model :hsf 19-3-4 Max designAOP (Auxiliary oil pump) operating pressure:(Electric Driven) 300 psi at 200 oFMotor KW :75Rpm :2960Current :124 amps