Difference Between Frances Turbine and Kaplan Turbine







Type of Turbine

France Turbine is radially in ward or mixed flow Turbine
Kaplan Turbine is partially axial floe



Disposition of shafts

France Turbine disposition of shaft is in vertical or horizontal direction
Kaplan Turbine disposition of shaft is only in vertical direction



Number of vanes

France Turbine has very large number of blades 16 to 24
Kaplan Turbine has very small number of blades 3 to 8



Adjustment of runner vanes 

France Turbine Runner vanes are not adjustable
Kaplan Turbine Runner vanes are adjustable

Resistance to over come
France Turbine very large resistances have to be over come
Kaplan Turbine very less resistances have to be over come




Head

France Turbine medium head is required
Kaplan Turbine very low head is required




Flow Rate

France Turbine medium flow rate is required
Kaplan Turbine very large flow rate is required




Specific Speed

France Turbine 50 to 250
Kaplan Turbine 250 to 850 


 Type of generator

France Turbine regular generator is required
Kaplan Turbine heavy duty generator is required


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