Hydroelectric Power Plant: 3 Types of Hydroelectric Turbines

Francis, Kaplan and Pelton turbines are most popular types of turbines. The use of a particular type depends on the head of power plant, the required RPM, the output power and the type of flow.

Given below are 3 popular types of hydroelectric turbines:

Turbine type Head Speed Output Power Flow type
Francis Low & High 60-400 rpm Upto 80000 hp Radial inward
Kaplan Low & Medium 300-1100 rpm Upto 15000 hp Axial
Pelton High & Very high 4-70 rpm Upto 33000 hp Tangential

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