Patent ID: 11946422
Assignee: SIEMENS ENERGY GLOBAL GMBH & CO. KG
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 14:
15. A combustion system for a gas turbine, the combustor system comprising:
a main fuel supply,
a pilot fuel supply,
a combustion chamber,
a controller,
a fuel composition monitor for monitoring a fuel composition of the main fuel supply and/or the pilot fuel supply,
a combustion monitor for monitoring combustion instability,
the controller is programmed to reduce the pilot fuel supply to zero when the fuel composition has
a) a hydrogen content ≥5% by volume and/or b) a high-hydrocarbon (HC) content ≥5% by volume; and
further the combustion instability <a predetermined value.