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As a rule of thumb, for every 1% change in turbine speed reference, the power output of the turbine should change by 25% for a unit with 4% droop setting.
But in our plant, I have noticed that the speed references in the units are always around 103% at base load when actual speed is 100%. And I have noticed that the speed reference at around 50% of base load is as expected.
The gas turbines work perfectly fine and all the other parameters are changing as expected. I request someone to give an explanation for this.
But in our plant, I have noticed that the speed references in the units are always around 103% at base load when actual speed is 100%. And I have noticed that the speed reference at around 50% of base load is as expected.
The gas turbines work perfectly fine and all the other parameters are changing as expected. I request someone to give an explanation for this.