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GE Gas Power offers the low loss bearing upgrade to help operators get the most from 6F.01, 6F.03, 7HA.02, 9HA.01, 9HA.02, and 9F gas turbines. This upgrade improves efficiency, which can reduce fuel and operating costs.
Savings on units with two bearings replaced
Range of improvement in SC heat rate
Range of improvement on single-shaft CC units
Time to install
GE Power’s low loss gas turbine bearing upgrade can help reduce turbine shaft losses from reduced mechanical friction. Bearing replacement can lower power loss by 35 – 40% over traditional flooded bearings by using a non-flooded, direct-lubrication hybrid bearing to replace the flooded 4-pad tilt pad bearing. The new low loss bearing consists of a fixed arc top half and a tilting pad bottom.
Improved efficiency can contribute to reduced fuel and operating costs. Validated results* show the upgrade of two GT bearings can typically save 300 kW on a 9F unit
Combined cycle heat rate can improve from -0.12% to -0.24% on single shaft configurations, with an improvement range of -0.10% to-0.20% on multi-shaft configurations. The upgrade helps deliver simple cycle heat rate improvement ranging from -0.08% to -0.16%.
* From validated field installations since 2015