What are the different types of turbines used in Hydroelectric Power Plants?
1. Pelton turbines – It is impulse turbine which is normally used for more than 250 m of water head. 2. Francis – This is a reaction turbine which is used for head varying between 2.5m to 450m 3. Kaplan It is propeller type of plant with adjustable blades which are used for heads varying between 1.5 m to 70 m 4. Propeller It is used for head between 1.5 to 30 m 5. Tubular This is used for low and medium height projects. Normally for head less than 15 m.