After COH work on unit, we charge governing rack for trial /setting of valves of TG set. To open EVS/IVS starting device reduce to zero position. At 0 position start up oil and auxiliary stat up oil, trip oil/auxiliary trip oil built up up to normal value. During rise in position of starting device, up to 15% value of starting device turbine trip gear operated. Fault suspected in main trip valves. please guide me to carry over maintenance work on Main Trip valve.
210 MW KWU Design Governing System
Re: 210 MW KWU design governing system
