Dear All,
We have 6b Gas turbine machine during base load trail gas control valve hunts from 73% to 62 % same as command hunted from 68% to 58%
& load also fluctuate from 34.5MW to 29MW. However GCV fluctuation reference alarm comes with effect load reduced. Later on again checked same scenario happen.
As Hydraulic oil filter checked found ok . no differential pressure/ no Hyd. pressure hunting/ No gas flow hunt checked. nor SRV hunt.
Kindly suggest.
We have 6b Gas turbine machine during base load trail gas control valve hunts from 73% to 62 % same as command hunted from 68% to 58%
& load also fluctuate from 34.5MW to 29MW. However GCV fluctuation reference alarm comes with effect load reduced. Later on again checked same scenario happen.
As Hydraulic oil filter checked found ok . no differential pressure/ no Hyd. pressure hunting/ No gas flow hunt checked. nor SRV hunt.
Kindly suggest.