INSTRUMENTATION  & CONTROL FOR  THERMAL POWER PLANT AN INTRODUCTION <ul><li>SHIVAJI CHOUDHURY </li></ul><ul><li>SE  (I&C D...
OBJECTIVE OF INSTRUMENTATION & CONTROL <ul><li>SAFE OPERATION OF PLANT </li></ul><ul><li>LOWEST COST OF GENERATION </li></...
 
 
OVERVIEW OF INSTRUMENTATION & CONTROL  <ul><li>DDCMIS (DISTRIBUTED DIGITAL CONTROL & MANAGEMENT INFORMATION SYSTEM) </li><...
OBJECTIVE OF DDCMIS <ul><li>HIGH RELIABILITY . </li></ul><ul><li>IMPROVED RESPONSE TIME </li></ul><ul><li>EXTEND PLANT EQU...
DDCMIS <ul><li>MAN MACHINE INTERFACE </li></ul><ul><li>PLANT INFORMATION SYSTEM </li></ul><ul><li>AUTO CONTROL SYSTEM </li...
DDCMIS –MaxDNA ( 500 MW ) <ul><li>REDUNDENT CONTROLLERS-32 BIT MICROPROCESSORS </li></ul><ul><li>INPUT ANALOG CARDS  for T...
DDCMIS Architecture
Man Machine Interface <ul><li>CRT/TFT MONITORS (OPERATOR WORK STATION-PC) </li></ul><ul><li>PRINTERS  </li></ul><ul><li>IN...
Operator workstation-Display <ul><li>ALARM MONITORING & REPORTING </li></ul><ul><li>MIMIC/GRAPHIC DISPLAY </li></ul><ul><l...
LOGS / SUMMARIES / REPORTS <ul><li>EVENT ACTIVATED LOGS   - ALARM LOG, TRIP ALARM ANALYSIS LOG ,STARTUP LOG  </li></ul><ul...
AUTO CONTROL LOOP <ul><li>COORDINATED CONTROL </li></ul><ul><li>TOTAL AIR CONTROL </li></ul><ul><li>SUPER HEATER/ REHEATER...
INTERLOCK & PROTECTION <ul><li>INTERLOCK &PROTECTION ARE USED FOR SAFE START UP / OPERATION / SHUTDOWN / TRIP OF ANY EQUIP...
BURNER MANAGEMENT SYSTEM <ul><li>THE SYSTEM PROVIDE INCREASED SAFTY & RELIABILITY FOR FURNANCE </li></ul><ul><li>PROTECTIO...
TURBINE CONTROL SYSTEM <ul><li>TURBINE GOVERNING SYSTEM </li></ul><ul><li>TURBINE STRESS CONTROL SYSTEM </li></ul><ul><li>...
AUTOMATIC TURBINE RUNUP SYSTEM (ATRS) <ul><li>AUTOMATIC STARTUP/ SHUT DOWN SEQUENCE </li></ul><ul><li>STRESS /TEMPRETURE M...
TURBINE SUPERVISORY SYSTEM <ul><li>BEARING VIBRATION </li></ul><ul><li>SHAFT VIBRATION </li></ul><ul><li>DIFF EXPANTION OF...
DDCMIS  CONTROLLER GROUPING DETAILS-BOILER(500MW) <ul><li>MASTER  FUEL  TRIP. </li></ul><ul><li>OIL </li></ul><ul><li>PA F...
DDCMIS CONTROLLER GOUPING DETAILS-TURBINE(500 MW) <ul><li>TUBINE PROTECTION A & B </li></ul><ul><li>AUTO TURBINE TESTER </...
DDCMIS CONTROLLER GROUPING DETAILS-STATION (500MW) <ul><li>ALL  AUTO CONTROL SYSTEM(CLCS) </li></ul><ul><li>INTERLOCK & PR...
DDCMIS - PERFORMANCE CALCULATION <ul><li>BOILER EFFICIANCY </li></ul><ul><li>STEAM TURBINE </li></ul><ul><li>HP/IP/LP TUBI...
FLUE GAS ANALYSERS <ul><li>WE MEASURE OXYGEN,CARBON MONO OXIDE IN FLUE GASES FOR PROPER & OPTIMISATION OF COMBUSTION OF FU...
STEAM & WATER ANALYSER <ul><li>CONDUCTIVITY , pH , SILICA , DISOLVED OXYGEN  ETC ARE MEASURED  </li></ul><ul><li>TO ENSURE...
MEASUREMENT <ul><li>TEMPRETURE </li></ul><ul><li>FLOW </li></ul><ul><li>PRESSURE </li></ul><ul><li>LEVEL </li></ul>
AIM <ul><li>DO IT RIGHT </li></ul><ul><li>FIRST TIME </li></ul>
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Instrumentation & Control For Thermal Power Plant

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Transcript of "Instrumentation & Control For Thermal Power Plant"

  1. 1. INSTRUMENTATION & CONTROL FOR THERMAL POWER PLANT AN INTRODUCTION <ul><li>SHIVAJI CHOUDHURY </li></ul><ul><li>SE (I&C DESIGN) ,MPPGCL, JABALPUR </li></ul>
  2. 2. OBJECTIVE OF INSTRUMENTATION & CONTROL <ul><li>SAFE OPERATION OF PLANT </li></ul><ul><li>LOWEST COST OF GENERATION </li></ul><ul><li>LONGEST EQUIPMENT LIFE </li></ul><ul><li>MINIMUM ENVIROMENTAL FFECTS </li></ul><ul><li>MAXIMUM EFFICIENCY </li></ul><ul><li>ENERGY CONSERVATION </li></ul>
  3. 5. OVERVIEW OF INSTRUMENTATION & CONTROL <ul><li>DDCMIS (DISTRIBUTED DIGITAL CONTROL & MANAGEMENT INFORMATION SYSTEM) </li></ul><ul><li>BURNER MANAGEMENT SYSTEM </li></ul><ul><li>TURBINE CONTROL SYSTEM </li></ul><ul><li>GENERATOR INSTRUMENTS </li></ul><ul><li>ANALYSERS </li></ul><ul><li>MEASUREMENT </li></ul>
  4. 6. OBJECTIVE OF DDCMIS <ul><li>HIGH RELIABILITY . </li></ul><ul><li>IMPROVED RESPONSE TIME </li></ul><ul><li>EXTEND PLANT EQUIPMENT LIFETIME. </li></ul><ul><li>IMPROVE OPERATOR INTERFACE TO PLANT </li></ul><ul><li>IMPROVE ACCESSABILITYOF PLANT DATA TO ENGINEERING &MANAGEMENT PERSONAL </li></ul><ul><li>HISTORICAL STORAGE AND RETRIVAL SYSTEM </li></ul>
  5. 7. DDCMIS <ul><li>MAN MACHINE INTERFACE </li></ul><ul><li>PLANT INFORMATION SYSTEM </li></ul><ul><li>AUTO CONTROL SYSTEM </li></ul><ul><li>INTERLOCK & PROTECTION </li></ul><ul><li>BURNER MANAGEMENT SYSTEM </li></ul><ul><li>TURBINE CONTROL SYSTEM </li></ul><ul><li>GENERATOR INSTRUMENTATION </li></ul><ul><li>SEQUENCE OF EVENTS RECORDING SYSTEM </li></ul><ul><li>MEASUREMENT </li></ul><ul><li>PROGRAMMING/DOCUMENTATION </li></ul>
  6. 8. DDCMIS –MaxDNA ( 500 MW ) <ul><li>REDUNDENT CONTROLLERS-32 BIT MICROPROCESSORS </li></ul><ul><li>INPUT ANALOG CARDS for THERMOCOUPLE, RTD, MILLI VOLTS, 4-20MA. </li></ul><ul><li>OUTPUT ANALOG CARDS </li></ul><ul><li>SEQUENCE OF EVENT CARD </li></ul><ul><li>INPUT/ OUTPUT DIGITAL CARDS </li></ul><ul><li>POWER SUPPLY MODULE </li></ul><ul><li>ALL CONTROLLERS ARE CONNECTED WITH DATA HI WAY </li></ul><ul><li>OPERATOR WORK STATION ( PC) </li></ul>
  7. 9. DDCMIS Architecture
  8. 10. Man Machine Interface <ul><li>CRT/TFT MONITORS (OPERATOR WORK STATION-PC) </li></ul><ul><li>PRINTERS </li></ul><ul><li>INDICATERS </li></ul><ul><li>RECORDERS </li></ul><ul><li>ANNUNCIATION SYSTEM </li></ul><ul><li>DESK MOUNTED PB ILL PB </li></ul>
  9. 11. Operator workstation-Display <ul><li>ALARM MONITORING & REPORTING </li></ul><ul><li>MIMIC/GRAPHIC DISPLAY </li></ul><ul><li>TREND DISPLAY(X-T ) </li></ul><ul><li>X-Y PLOT </li></ul><ul><li>OPERATOR GUIDENCE DISPLAY </li></ul><ul><li>SYSTEM & DIAGNOSTIC DISPLAY </li></ul><ul><li>CONTROL </li></ul><ul><li>BAR CHART </li></ul><ul><li>SEQUENCE DISPLAY </li></ul><ul><li>FAULT ANALYSIS DISPLAY </li></ul>
  10. 12. LOGS / SUMMARIES / REPORTS <ul><li>EVENT ACTIVATED LOGS - ALARM LOG, TRIP ALARM ANALYSIS LOG ,STARTUP LOG </li></ul><ul><li>TIME ACTIVATED LOGS -SHIFT LOG,,DAILY LOG </li></ul><ul><li>OPERATOR DEMAND LOGS -SUMMARY LOG,PERFORMANCE LOG, MAINTENANCE LOG </li></ul><ul><li>SEQUENCE OF EVENTS LOG </li></ul>
  11. 13. AUTO CONTROL LOOP <ul><li>COORDINATED CONTROL </li></ul><ul><li>TOTAL AIR CONTROL </li></ul><ul><li>SUPER HEATER/ REHEATER TEMP CONTROL </li></ul><ul><li>MILL OUT TEMP CONTROL </li></ul><ul><li>HOTWELL LEVEL CONTROL </li></ul><ul><li>LP/ HP HEATER LEVEL CONTROL </li></ul><ul><li>DEARATOR LEVEL /PRESSURE CONTROL </li></ul><ul><li>DRUM LEVEL CONTROL </li></ul><ul><li>FURNACE DRAFT CONTROL </li></ul><ul><li>MILL AIR FLOW CONTROL </li></ul><ul><li>HFO/LDO PRESS /FLOW CONTROL </li></ul>
  12. 14. INTERLOCK & PROTECTION <ul><li>INTERLOCK &PROTECTION ARE USED FOR SAFE START UP / OPERATION / SHUTDOWN / TRIP OF ANY EQUIPMENT OR AUXILLARY EXAMPLES </li></ul><ul><li>CW PUMP,ID FAN ,FD FAN,BOILER FEED PUMP,CEP, MILL ,PA FANS ,PUMPS </li></ul><ul><li>LP / HP HEATERS </li></ul><ul><li>AIR HEATERS </li></ul><ul><li>REHEATER PROTECTION </li></ul><ul><li>VALVE &DRAINS </li></ul>
  13. 15. BURNER MANAGEMENT SYSTEM <ul><li>THE SYSTEM PROVIDE INCREASED SAFTY & RELIABILITY FOR FURNANCE </li></ul><ul><li>PROTECTION FROM IMPOLTION & EXPLOTION </li></ul><ul><li>FURNACE PURGE SUPERVISION </li></ul><ul><li>HIGH ENERGY ARC IGNITOR CONTROL </li></ul><ul><li>LDO/ HFO OIL ON/ OFF CONTROL </li></ul><ul><li>PULVERISER & FEEDER CONTROL / SUPERVISION </li></ul><ul><li>FLAME SCANNER INTELLIGENCE </li></ul>
  14. 16. TURBINE CONTROL SYSTEM <ul><li>TURBINE GOVERNING SYSTEM </li></ul><ul><li>TURBINE STRESS CONTROL SYSTEM </li></ul><ul><li>HP/LP BYPASS </li></ul><ul><li>AUTOMATIC TURBINE RUNUP SYSTEM ( ATRS) </li></ul><ul><li>TURBINE SUPERVISORY SYSTEM </li></ul>
  15. 17. AUTOMATIC TURBINE RUNUP SYSTEM (ATRS) <ul><li>AUTOMATIC STARTUP/ SHUT DOWN SEQUENCE </li></ul><ul><li>STRESS /TEMPRETURE MARGIN CONTROL ACCELERATION </li></ul><ul><li>STRESS/TEMPRETURE MARGIN CONTROLLED LOADING/UNLOADING </li></ul><ul><li>AUTOMATIC SYNCHRONISATION AND LOADING UPTO 100% MCR </li></ul><ul><li>UNLOADING & SHUTDOWN OF MACHINE </li></ul>
  16. 18. TURBINE SUPERVISORY SYSTEM <ul><li>BEARING VIBRATION </li></ul><ul><li>SHAFT VIBRATION </li></ul><ul><li>DIFF EXPANTION OF ROTOR AND CYLINDER FOR HPT/IPT/LPT </li></ul><ul><li>OVERALL EXPANTION OF HPT/IPT </li></ul><ul><li>AXIAL SHIFT OF ROTOR </li></ul><ul><li>TURBINE SPEED </li></ul><ul><li>EMERGENCY STOP & CONTRL VALVE POSITION </li></ul><ul><li>BEARING TEMPRETURE OF TUBINE </li></ul>
  17. 19. DDCMIS CONTROLLER GROUPING DETAILS-BOILER(500MW) <ul><li>MASTER FUEL TRIP. </li></ul><ul><li>OIL </li></ul><ul><li>PA FANS </li></ul><ul><li>COAL MILL (A TO K) </li></ul><ul><li>SADC & APRDS </li></ul><ul><li>SOOT BLOWING CONTROL. </li></ul><ul><li>HP BY PASS </li></ul><ul><li>TOTAL CONTROLLER-27(12 PAIR,3 SINGLE) </li></ul>
  18. 20. DDCMIS CONTROLLER GOUPING DETAILS-TURBINE(500 MW) <ul><li>TUBINE PROTECTION A & B </li></ul><ul><li>AUTO TURBINE TESTER </li></ul><ul><li>ELECTRO HYDROLUIC TURBINE CONTRL </li></ul><ul><li>TURBINE STRESS CONTROLLER </li></ul><ul><li>LPBYPASS </li></ul><ul><li>GENERATOR </li></ul><ul><li>ATRS </li></ul><ul><li>TURBINE DRIVEN BFP </li></ul><ul><li>TOTAL CONTROLLER-28(14 PAIR) </li></ul>
  19. 21. DDCMIS CONTROLLER GROUPING DETAILS-STATION (500MW) <ul><li>ALL AUTO CONTROL SYSTEM(CLCS) </li></ul><ul><li>INTERLOCK & PROTECTION(OLCS) </li></ul><ul><li>ELECTRICAL BREAKERS </li></ul><ul><li>TOTAL CONTOLLERS –44 (22 PAIRS) </li></ul>
  20. 22. DDCMIS - PERFORMANCE CALCULATION <ul><li>BOILER EFFICIANCY </li></ul><ul><li>STEAM TURBINE </li></ul><ul><li>HP/IP/LP TUBINE </li></ul><ul><li>AIR PREHEATER </li></ul><ul><li>FEED WATER HEATERS </li></ul><ul><li>DEAERATOR </li></ul><ul><li>CONDENSER </li></ul><ul><li>UNIT HEAT RATE </li></ul>
  21. 23. FLUE GAS ANALYSERS <ul><li>WE MEASURE OXYGEN,CARBON MONO OXIDE IN FLUE GASES FOR PROPER & OPTIMISATION OF COMBUSTION OF FUELS IN BOILER. </li></ul><ul><li>WE MEASURE SULPHER DI OXIDE, NITROGEN OXIDES,DUST DENSITY IN FLUE GASES TO MINIMISE THE ENVIROMENTAL EFFECTS. </li></ul>
  22. 24. STEAM & WATER ANALYSER <ul><li>CONDUCTIVITY , pH , SILICA , DISOLVED OXYGEN ETC ARE MEASURED </li></ul><ul><li>TO ENSURE QUALTY OF D M WATER TO BOILER </li></ul><ul><li>TO PREVENT COROSSION </li></ul><ul><li>TO REMOVE IMPURITIES TO PREVENT SCALE DEPOSIT IN THE BOILER TUBE </li></ul><ul><li>TO PREVENT SILICA DEPOSIT ON THE BLADES OF TUBINE </li></ul>
  23. 25. MEASUREMENT <ul><li>TEMPRETURE </li></ul><ul><li>FLOW </li></ul><ul><li>PRESSURE </li></ul><ul><li>LEVEL </li></ul>
  24. 26. AIM <ul><li>DO IT RIGHT </li></ul><ul><li>FIRST TIME </li></ul>
  25. 27. Thanks

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