We have a turbine compressor it’s governor doesn’t open during pressure cannot increase above 2 bar and the lube oil pump discharge pressure is 12 bar. In addition, knob speed is fully open
What is control oil pressure? The power piston pressure? If it's a Woodward governor it has its own oil pump and governor oil pressure should be independent of the turbine lube pressure.
I assume that the turbine is not running and that the dump valves are open and dumping the control oil pressure to the drain. What is the state of the turbine (running or not running) and the T&T valve (latched or not latched)? What type of governor does it use. What is the make of the turbine. A diagram of the system would help. Something like this:
Or maybe some punctuation, capital letters, and coherent sentences? That might help.
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