Wanda 4 TurbineWanda 4 TurbineWanda 4 Turbine

Outline

1. Introduction2. Turbine types3. Selection4. Curves5. Summary

Introduction

• Almost all electricity is generated by turbines

• Power = torque x angular velocity

• Gas, steam or water

Turbine types

Reaction turbinesTorque by pressure drop

Momentum turbinesTorque by jet momentum

Francis turbine (reaction type)

Pelton turbine (momentum type)

Turbine selection

Turbine curves

Pumpturbine: Suter

Different curve types

Summary