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So, My conclusion is that you agree with me that this installation is not the ideal...wright? If we install a new HRSG in parallel, do you agree also that this should be an ideal opportunity to justify the installation of a new degasifier? Also because the HRSG is water tube type, so if we will...

Dear EdStainless, Thanks for the reply. Not sure if i understood all of your points, but to clarify, do you support this solution or not? When i mention "condensate", it has a condensate tank that flashes part of the condensate.

Hi guys! I saw an installation as shown in the image below. What do you think that are the advantages of having condensate pumps putting the condensate directly in the boiler and not in a degasifier. Not loosing energy in the degasifier, flash steam, cost of the degasifier..??

Hi, I made a measuring in a air compressed dryer. The results were very confusing to me: Can someone comment please? P.S.: the clamps and voltage probes were installed correctly. Triple check!!!

Ok thanks! But i'm trying to preview how much can i save in this winter conditions. So, for this i want to know the air flowrate in this situation. That's my problem.... Thanks

Hi, I need some help here with some calculations. I have the following cooling tower: Thermal power: 1997 kW Water flowrate: 26,5 l/s Water inlet temp. (process): 48,5 ºC Water outlet temp. (process): 30,5 ºC Dry bulb temp.: 37,0 ºC Wet bulb temp.: 24,0 ºC Air flowrate: 40,1 m3/s So i can...

I have a 3-phase power monitor, but with it i i don't see how i can get de motor efficiency...

Dear GroovyGuy, Agree again with everything that you said. Understood perfectly. If the motor was re-wounded, do you think a 2% loss as a usual value? Dear LionelHutz, I will search for the document. Undestand and agree with all that you say. About de VFD working at nominal speed, my opinion is...

Dear jraef What i want to know for real is the actual efficiency. The torque is only a way to calculate it. Let me correct you: above i mentioned that what the VFD gives is a % of torque and not % of currente. The current is given in Amps (367,6 A). The previous calculations that i made...

Thank you both for your answers. Dear itsmoked, I will try to otain the power from the VFD. But do you agree that i may use de %torque given by the VFD as a % of the nominal torque, to know the actual torque? About the dynamometer, i do not know to measure it without dismanteling the motor and...

I supose because at low rpm the torque is near max values.... Wait for better answers and for people with more knowledge...i'm Mechanical :)

Thanks jraef, The mfr no longer exists... The motor power factor measured at the inlet of the VFD (witch i supose is the same as the outlet) was 0,93. I supose the losses in the VFD are low...2 to 3%? Well, i am trying to calculate e actual efficiency of the motor. Considering the nominal...

Hi, I need to obtain efficiency of a electric motor of 250kW, working with a VFD. I have the basic specifications of the nameplate: - Power: 250 kW - Current: 475 A - Tension: 400 V - FReq: 50Hz - Cos fi: 0,80 - Rot. vel.: 1000 rpm I also have the actual consumed power, measured: 183,5 kW I...