What are the types of hydro turbines?
Andrew Henderson
Updated on March 24, 2026
What are the types of hydro turbines?
There are two main types of hydropower turbines: reaction and impulse. The type of hydropower turbine selected for a project is based on the height of standing water—referred to as “head”—and the flow, or volume of water over time, at the site.
What are the different types of turbine?
Types of Turbines Based on Energy Exchange between the water and the Machine
- Impulse Turbines.
- Reaction Turbines.
- Radial Flow Turbine.
- Tangential or Peripheral Flow Turbines.
- Axial Flow Turbines.
- Mixed Flow Turbines.
- Low Head Turbines.
- Medium Head Turbines.
Which type of turbine is used in hydro power generation?
Hydropower Turbines
| Hydropower Turbine Type | Typical Site Characteristics |
|---|---|
| Crossflow turbine | Low to medium heads (2 – 40 metres) Low to medium flows (0.1 – 5 m3/s) |
| Kaplan turbine | Low to medium heads (1.5 – 20 metres) Medium to high flows (3 m3/s – 30 m3/s) For higher flows multiple turbines can be used. |
What are four types of turbines?
While turbines can be classed as either impulse or reaction according to the way they function, there are four broad types of turbines categorized according to the fluid that supplies the driving force: steam, gas, water, or wind.
What are the 3 basic types of turbines?
There are 3 main types of impulse turbine in use: the Pelton, the Turgo, and the Crossflow turbine. The two main types of reaction turbine are the propeller turbine (with Kaplan variant) and the Francis turbine. The reverse Archimedes Screw and the overshot waterwheel are both gravity turbines.
What are the three most common types of hydro power turbines and when is which type used?
Turbines used in hydroelectric power plants fall into two categories: Impulse and Reaction based. Impulse based turbines include Pelton and cross-flow turbines. Reaction based turbines include three subtypes: Francis turbine, propeller turbine (bulb turbine, Straflo turbine, Kaplan turbine types), and kinetic turbine.
What are the 3 types of water turbine?
What are the types of wind turbines?
There are two basic types of wind turbines:
- Horizontal-axis turbines.
- Vertical-axis turbines.
How many types of turbine are there?
There are 3 main types of impulse turbine in use: the Pelton, the Turgo, and the Crossflow turbine. The two main types of reaction turbine are the propeller turbine (with Kaplan variant) and the Francis turbine.
What are the main types of turbines used in power plants?
Which type of rotor is used by Hydro Generators?
Salient pole rotor is used by Hydro Generators.
What are 3 types of wind turbines?
- Horizontal-axis turbines are similar to propeller airplane engines. Horizontal-axis turbines have blades like airplane propellers, and they commonly have three blades.
- Vertical-axis turbines look like egg beaters.
- Wind power plants, or wind farms, produce electricity.
What are the different types of hydropower turbines?
There are two main types of hydropower turbines: reaction and impulse. The type of hydropower turbine selected for a project is based on the height of standing water—referred to as “head”—and the flow, or volume of water over time, at the site. Other deciding factors include how deep the turbine must be set, turbine efficiency, and cost.
How do I select the right turbine for my project?
Selecting the type, kind, (within type) configuration, (horizontal or vertical) size, and number of turbine units that best suit a project is a detailed process. Size and number of units are discussed in chapter-2. This involves technical, environmental, financial, and other considerations.
How are hydraulic losses accounted for in the turbine efficiency?
The hydraulic losses through the turbine and draft tube are accounted for in the turbine efficiency. Gross Head (Hg) – is the difference in elevation between the water levels of the forebay and the tailrace. Maximum Head (Hmax.
What is the difference between axial and tubular hydraulic turbines?
Axial flow hydraulic turbines have been used for net heads up to 75 meters with power output up to 200 57 MW. However, they are generally used in head applications below 35 meters. Tubular turbines (S-type) are used below 30 meters head and 8 MW capacity.
