Siemens Energy Global Gmbh & Co. Kg

Kristopher Calladine

Ghenadie Bulat

A method of operating a combustion system () for a gas turbine (), the combustor system () comprises a main fuel supply (), a pilot fuel supply (), a combustion chamber (). The method comprises the steps supplying a first fuel flow through the main fuel supply () and the pilot fuel supply (), monitoring a composition of the first fuel, monitoring combustion instability, reducing the first fuel flow through the pilot fuel supply () to zero when the first fuel composition has a) a hydrogen content ≥5% by volume and/or b) a high-HC content ≥5% by volume and the combustion instability <a predetermined value.

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Doncaster, United Kingdom

Kristopher Calladine