| 摘要 |
A method for operating a gas turbine, which is optionally operated with a gaseous fuel (A) having a gaseous mass flow ({dot over (m)}gas)and/or with an oil fuel (B) having an oil mass flow ({dot over (m)}oil), wherein a change between an operating mode with gaseous fuel (A) and an operating mode with oil fuel (B) is undertaken during load operation of the gas turbine, and wherein a water addition of a water mass flow ({dot over (m)}H2O) is provided at least in the operating mode with oil fuel (B). The ratio (Omeganorm) of the added water mass flow ({dot over (m)}H2O) to the fuel mass flow during the change between operating modes is determined according to Omega norm = m . H 2  O · LHV norm m . gas · LHV gas + m . oil · LHV oil .
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