I beg pardon for my poor English, and many thanks for your reply and notes!
The fuel supply is going through two PCV-001A/B, PCV-001C is a stand by valve, cascade is that when valve A became fully open valve B starts open,
2 gas turbines was working with their initial load, around 10 MWt...
Hello,
I have abnormal situation on a site, there are installed 3 valves in parallel (cascade) in Fuel gas skid, upstream pressure of the valve is 30 bar, downstream pressure 25-26 bar, when 2 GTG starts up to load 40 MWt (100 %) the downstream pressure of the control valves decreses to 21 bar...