What is Low Head?


Low-head turbines are commonly used for hydroelectric power generation. They are used when the vertical distance between the water intake level and discharge level is in the range of 2-20 meters. Interestingly, low-head turbines harness the energy from low-head drops in rivers and produce renewable energy sources. The best part about these turbines is that they produce energy with minimal impact on the environment.

This reliable and cost-effective energy source has been used for centuries. As countries continue to transition towards cleaner and more sustainable energy sources, low-head hydropower is likely to play a significant role in meeting their energy needs.

What are the Applications of Low Head?

The applications are as follows-

1. This hydropower is commonly applied to small to medium-scale projects such as irrigation schemes, water supply systems, and small-scale electricity generation. The turbines can be designed to operate at various flow rates and head heights depending on the intended application.

2. It is most commonly used to provide electricity to rural areas with limited or no access to power. Small-scale hydropower plants can be installed in remote villages to power household appliances, lighting, and cooking. They can also be used to power small-scale industries, such as sawmills, rice mills, and other agro-processing industries.

3. Another application of this hydropower is in water supply systems. By generating electricity while water is being pumped from a lower elevation to a higher elevation, turbines can offset some of the electricity consumption from the grid. Low-head dams can also be designed to create reservoirs for recreational activities such as fishing and boating while generating electricity.

4. Low-head hydropower has significant environmental benefits as well. It is a renewable source of energy that does not produce harmful emissions, making it a clean and efficient energy solution. Its projects also have a minimal environmental impact, as they can be designed to allow the free flow of water, minimizing the impact on aquatic life.

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