Thursday, November 2, 2017

MDBFP To TDBFP Changeover

MDBFP To TDBFP Changeover


  • Reset Trip of TDBFP ( TDBFP Protection tab)
  • After timer of 1 minute, Open TDBFP Exhaust valve (slowly watching vacuum)
  • Reset Trip circuit, Open ESV by resetting 
  • Ensure TDBFP Turbine casing drain and vent are OPEN
  • If, Casing temperature is ambient, soak TDBFP at speed 1500 rpm
  • Then when it reaches 100 Deg, again give speed to 3000 rpm
  • When Temperature reaches 200 Deg, Give rpm to 4000 rpm
  • After that 4000rpm, 4500 rpm, 4800 rpm, 5000 rpm
  • After that match Discharge Pressure with MDBFP
  • When  TDBFP's flow is sufficient (>550 tph) and developing pressure near to MDBFP, Close its r/c valve and simultaneously Open MDBFP r/c valve and give negative bias to MDBFP and take scoop in manual
  • Put TDBFP on Remote from Local,
  • Decrease Scoop and run MDBFP with flow around 225 tph and take a round of TDBFP .
  • After waiting for around 15 minutes , Trip MDBFP and put it on standby

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