Tg turbine
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The document provides specifications for a 22500 KVA, 3 phase, 4 pole turbine generator including operating parameters such as voltage, current, speed, power factor, ratings, excitation voltage and current. It also lists turbine alarms and trip parameters related to lubrication oil pressure and temperature, bearing temperatures, vibrations, axial displacement and electrical faults. Key operating parameters outlined include load, steam pressures and temperatures, flows, lubricating oil pressures and temperatures.
Tg turbine
- 1. TG turbine
- 2. T-G SPECIFICATIONS O/P 225OO KVA NO OF PHASES 3 NO OF POLES 4 VOLTAGE 11 KV CURRENT 1181 FREQUENCY 50 HZ SPEED 1500 RPM P.F 0.9 RATING CONT EXCITATION VOLT 244 V FIELD CURRENT 452 CLASS OF INSULATION: ARMATURE: F FIELD: F
- 3. GVC TG 0.2 To condenser k/c2 -0.2 k/c2 150 c Vapor in 1.1 k/c2 Gland sealing steam 25 k/c2 To Condenser
- 4. EJECTOR TG FROM CONDENSER TO PDM START UP IJECTOR TO CONDENSER condensate vapor 46 steam ejector
- 5. TG GOVERNER Make GE MDT 80 TYPE ELECTRONIC SPEED CONTROL Speed regulation 0 to 5 % droop Speed control range 0 to 105 % of rated Speed setting accuracy +- 0.1 % of rated Pressure regulation 0 to 10 % of droop Pressure control range 0.85 to 1.15 % of rated Pressure setting accuracy +- 2 % of rated Hydraulic pr 200 +- 5 psig Bearing pr Turbine 21 +- 2 psig All setting to be made at Oil temp to bearing 110 to 120 of
- 6. TG ALARMS AND TRIPPING Sr Parameter no 1 LUB OIL PR LOW AA1 1 K/C2 2 LUB OIL PR LOW AA2 0.8 K/C2 3 CONTRO OIL PR LOW ALARM AA3 10 K/C2 4 ACROSS FILTER DP LOW AA4 1 K/C2 5 LUB OIL TANK LEVEL LOW AA5 13 INCH 1 INCH 6 LUB OIL TEMP HIGH AA6 42 59 7 RTD FAULTY OR SUPPLY FAILS AA7 8 BEARING OR WINDING TEMP HIGH AA8 51/65 75/95 9 BEARING OR WINDING TEMP VERY AA9 80 130 HIGH 10 RTD FAULTY OR FAIL AA10 11 BEARING TEMP HIGH AA11 120 12 BEARING TEMP VERY HIGH AA12 130 13 TRANSDUCER FAULTY OR SUPPLY AA13 FAILS 14 AXIAL DISPLACEMENT HIGH AA14 15/18 MILS 20 MILS 15 AXIAL DISPLACEMENT IS VERY AA15 28 MILS HIGH TURBINE TRIPS 16 TG SET VIBRATION HIGH AA16 Alarm- 3.6/3.4/1.4/2.4/3. 6/4 mils
- 7. TG ALARMS AND TRIPPING Sr Parameter no 17 TG SET VIBRATION VERY HIGH AA17 4.8/4.8/2.6/4.6/4. TURBINE TRIPS 5/4.8 mils 18 2 SPEED PICK FAIL TURBINE TRIPS AA18 19 OVER SPEED TURBINE TRIPS AA19 20 GCPS 1 FAILS MAINTENANCE AA20 REQUIRED ALARM 21 SPEED PICK UP-1 FAILS AA21 MAINTENANCE REQUIRED ALARM 22 TURBINE RUNNING BELOW 4 RPM AA22 TO START THE BARRING GEAR 23 ABOVE 110% SP TURBINE RUNNING AA23 HSS 24 LOAD CONTROL AA24 25 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 TRIP 27 TURBINE INLET CLOSED BELOW AA27 COOLING LIMIT 28 TURBINE SIXTH STAGE AA28 260/370 *C TEMPERATURE HIGH ALARM/TIPPING – 29 TURBINE TRIP DUE TO ELECTRICAL AA29 FAULT
- 8. TG ALARMS AND TRIPPING Sr no Parameter 30 EXHAUST PRESSURE HIGH AA30 31 MANUAL TRIP ALARM AA31 32 AA32 33 INLET STEAM TEMP LOW AA33 430 34 1ST EXTRACTION PR HIGH AA34 10 K/C2 SV 10.7 K/C2 35 1ST EXTRACTION PR VERY HIGH AA35 11.5 K/C2 36 II ND EXTRACTION PR HIGH AA36 4.6 K/C2 SV 4.7 37 II ND EXTRACTION PR VERY HIGH AA37 5.0 K/C2 38 EXHAUST TEMP ALARM AA38 80 0C 39 INLET STEAM PR LOW ALARM AA39 70 K/C2 40 MAIN STEAM PR LOW ALARM AA 40 74 K/C2 41 Inlet Steam Temperature Very Low AA41 365 OC 42 Ist Ext. Press. Low after NRV AA42 43 IInd Ext. Press. Low after NRV AA43 44 AA44 45 Exhaust Hood Temperature High AA45 80 *C 46 86G Or HT Panel Breaker Trip AA46 (Electrical Fault) 47 SLIT Or HT Panel breaker Trip AA47 Process Fault
- 9. TG ALARMS AND TRIPPING Sr no Parameter 48 Hot Air Temperature High AA 48 (39/45 *C) 75/80 *C 49 Hot Well Level Low AA 49 70% 40% 50 Hot Well Level Very Low AA 50 35% 51 Hot Well Level High AA 51 52 AA 52 53 CW Inlet Pressure Low AA 53 1.5 Kg/cm2 0.9 Kg/cm2 54 Ist Extraction Temperature High(After AA 54 250 *C DSS)250 *C 55 IInd Extraction Temperature High AA 55 150 *C 56 Ist Ext. Press. High Before NRV AA 56 57 IInd Ext. Press. High Before NRV AA 57 58 Ist Ext. Steam Temperature Low AA 58 59 IInd Ext. Steam Temperature Low AA 59 60 SLIT 502 (Turbine Trip) AA 60
- 10. Sr Parameter OV Unit ALARM Sr Parameter OV Alar Trip no 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 Trip no (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 Parameter no (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 BOX ALT 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 :50 M3 /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 design AOP (Auxiliary oil pump) operating pressure: (Electric Driven) 300 psi at 200 oF Motor KW :75 Rpm :2960 Current :124 amps