Sir
We have supplied turnkey project (Thermal Power Plant)of 200 MW and 500 MW rating. Speed of TG system is 3000 rpm. Main steam parameters are 135 Kg/cm2 and 535 deg.C for 200 MW and 170 Kg/cm2 and 535 deg.C for 500 MW. There are many critical pipelines (pipe connecting boiler outlet to main...
During natural frequency test of rotor blades of ulility turbine, we have to mount accelerometer pick up on blade.
I want to know whether there is any empirical formulae for calculating what should be the weight of accelerometer pick up with respect to weight of rotor blade.
or in other...
During natural frequency test of LP rotor of ulility turbine, we have to mount accelerometer pick up on blade.
I want to know whether there is any empirical formulae for calculating what should be the weight of accelerometer pick up with respect to weight of LP blade.
or in other words...
One of the utility power station experiencing damage of non-working side thrust pad. What could be the reason of such damage. This is 67 MW turbine based on KWU technology in which front bearing is thrust bearing and turbine is single rotor type and then condenser is connected at exhaust.
Can anyone tell me what are the limits of axial vibration in TG sets (utility set of rating of more than 200 MW). Should we trip the machine on high axial vibration, even if horizontal and vertical vibration are within the limit.
Can we operate a TG set (utility set of 100 MW) at high lub oil temperature (of the order of 54-55deg.C, against the design value of 45deg.C). When set is operated at 54-55 deg.C, drain oil temperature of bearing are below 70 deg.C and bearing metal temperature are less than 85 deg.c (less than...