What is tripping relation between the turbine exhaust pressure and turbine last stage pressure....???
If turbine exhaust pressure which is normally at vacuum (-0.9 kg/cm2) increases by positive value(predefined 0.05-0.01 kg/cm2) by some reason (normally black out)
.....Then it became higher than exhaust pressure of turbine
So relation is turbine trip at vacuum -0.7 kg/cm2
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