K
We have Frame6 MarkV m/c 30MW. We have implemented inlet air chilling to improve the throughput of the gas turbine. Originally there were pulse air filters and I have seen m/c generating 36MW at 15degC amb temp, 50Hz freq (India) with TTRX 545degC. As we have gone for air chilling, air filtration sytem also changed. At present we have 2 stage filtration, primary filters T-50 type and Secondary MV95. With this system the following problems are being faced: Lower base load o/p 27-28MW than earlier (Donaldson) filters. TTRX remaining 575-78 degC.
Secondly we have switched over to HRSG supl. firing from OIL to Dual firing in which we have installed GRID plate prior to duct burner (whether this can cause lower output), but CPD is also less compared to earlier. We have measured compressor inet pressure which is -175 inwc with IGV full open and base load o/p 25 mw at 36 degC amb. What is the inlet press of compresor with Donaldson filter at base load? (We do not have previous data.)
Secondly we have switched over to HRSG supl. firing from OIL to Dual firing in which we have installed GRID plate prior to duct burner (whether this can cause lower output), but CPD is also less compared to earlier. We have measured compressor inet pressure which is -175 inwc with IGV full open and base load o/p 25 mw at 36 degC amb. What is the inlet press of compresor with Donaldson filter at base load? (We do not have previous data.)