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VTP Pump 1673Hz dominant peak

I want to hear some of analyst assessment regarding to attached FFT. i have a problem with my VTP (Vertical Turbine Pump) (condensate extraction pump) having high frequency peak, previous history of this pump is that the commissioning team replaced the motor bearing from OB and IB in due to high vibration red about 18 mm/s RMS which dont have any analysis taken (FFT) and found out that the grease was became dry and sees a lacking of grease when opened. after commissioning, we bought...Read More...
Last Reply By Ngo Dinh · First Unread Post

chiller pump 1-A

Dear Lampard Nguyen , Here with I attached file chiller pump 1-A as per your test message pump time waveform ,Harmonic, spectrum I prepare new spectrum file please check and suggest me I am not full expert vibration analysis .second attached file EOT Crane also gearbox vibration was very high.Read More...

Vertical vibration of hydro generator

Dear all, I have a problem with the vertical vibration of a hydro generator. My customer has 02 units with specifications below: - Speed: 600 rpm; 1x is 10 Hz - Power: 16 MW I took the measurements of vertical direction at upper guige bearing. Unit H1 is good at value 0.761 mm/s, but unit H2 this value is very high 3.92 mm/s. 2X and especially 3x is very very high. You can see in the attached images. Does anyone have experience in this case ? Please give me your advice. Thank you for your help!Read More...
Last Reply By Nera · First Unread Post