Patent ID: 9279370
Filing Date: 2016-03-08
CPC Classification: F02C,F05B

Claim Text:
1. A method of operating a turbomachine to perform fuel change over at a high load, the method comprising: operating first and second gas fuel modes at first and second load ranges, respectively; operating first and second liquid fuel modes at third and fourth load ranges, respectively, the third load range being equal to the second load range and the fourth load range being equal to the first load range; operating a third liquid fuel mode at a fifth load range, which at least partly overlaps with the fourth load range; and operating a third gas fuel mode at a sixth load range, which is equal to the fifth load range, wherein the second load range and the third load range each extends from a first load percentage associated with an output of less than 170 MW to a second load percentage associated with an output of more than 170 MW.