Context
Central Electricity Authority (CEA) has recognized Surface Hydrokinetic Turbine (SHKT) technology under the Hydro Category to drive innovations
About Surface Hydrokinetic Turbine Technology (SHKT):
- Definition:
- A type of renewable energy technology that generates electricity by harnessing the energy of water currents (like river or ocean currents) through turbines placed on the water’s surface.
- Working Principle:
- SHKT works by converting the kinetic energy of moving water into mechanical energy using turbines.
- This mechanical energy is then converted into electrical energy using a generator.
- Unlike traditional hydropower that relies on dams, SHKT operates in areas with flowing water, without requiring large infrastructure.
- Components:
- Turbines: The primary component, often similar to wind turbines but designed for aquatic environments.
- Substructures: Supports the turbines on the surface of the water. These are typically floating or fixed installations.
- Generator: Converts mechanical energy from the turbine into electrical energy.
- Control System: Monitors the operation and efficiency of the system.
- Energy Generation:
- SHKT generates energy from water velocity (kinetic energy), unlike traditional hydropower which uses potential energy from stored water.
- Can be deployed in rivers, tidal zones, or ocean currents.
- Environmental Impact:
- Minimal Environmental Disruption: Unlike hydropower dams, SHKT does not require significant alterations to the watercourse or large-scale civil engineering.
- Marine Life: Potential impact on marine ecosystems and species, which needs careful planning and monitoring.
- Advantages:
- No Need for Large Dams: Can be deployed in areas with strong water currents without major infrastructure development.
- Renewable and Clean Energy: Provides an environmentally friendly alternative to fossil fuels.
- Scalability: Technology can be scaled up or down depending on the site and energy needs.
- Potential for Remote Locations: Can be installed in remote or off-grid areas where conventional power infrastructure is not available.
Source: PIB
Previous Year Question
In the context of which one of the following are the terms ‘pyrolysis and plasma gasification’ mentioned?
[UPSC Civil Services Exam – 2019 Prelims]
(a) Extraction of rare earth elements
(b) Natural gas extraction technologies
(c) Hydrogen fuel-based automobiles
(d) Waste-to-energy technologies
Answer: (d)