Dear All,
on thorough analysis of the entire system, we found that the speed transducer is malfunctioning - it is giving higher feedback of the speed than the actual (Reading 58000 rpm in place of the actual 39000 rpm).
Hence all through this period we were running the equipment at 39000 rpm...
@rotw & georgeverghese:
The indicated pressure is the inlet pressure of the turbine.
The other side of the turbine is a gas booster.
We do not have any auto capacity controller, IGV (pneumatical) of the turbine is controlled manually.
Let me explain our process for better understanding.
# We...
Dear all,
We are having a turbo expander in cryogenic air separation plant. Few days ago, the lube oil pump tripped due to some electrical issues and the turbine tripped. Mean while the bearing temperatures of the turbine and booster bearings gone upto 180 deg C. After rectifying the electrical...