Tag: Renewable Energy

The O2 Tidal power generator

Tidal energy is a type of renewable that extracts power from the natural rise and fall of ocean tides and currents. In the 20th century, we have developed methods to harness this tidal movement to generate power where there are tidal variations. But as of now, tidal energy is still developing or in its baby steps. Until now the power generated by tides is almost negligible, a few plants around the globe can harness this power.

Currently, there are three methods of generating power from these tides: tidal streams, barrages, and lagoons. The most commonly used is a tidal stream as it consists of a fast-flowing body of water formed from tides. Turbines are used to generate electricity from these fast-flowing tides. A turbine is a device that uses energy from a fluid that has the potential energy to convert it to kinetic energy.

Recently, the world’s most powerful tidal turbine has commenced grid-connected power generation at the European Marine Energy Centre in Orkney, an archipelago that’s situated in the northern regions of Scotland. Called O2, and developed by Orbital Marine Power, the massive 680 metric ton turbine is anchored in a body of water dubbed ‘the Fall of Warness’ that’s connected to a subsea cable that links it back to a local electricity network on the ground.

The 74-meter-long turbine includes two fully integrated power trains attached on two wing-like legs. The twin-bladed rotors, each possessing a diameter of 21 meters are the largest ever on a single generating platform, driven by the tidal current to date. These retractable legs are designed to raise the nacelles, pitch hubs, and blades out of the water for making maintenance and repairs easy.

The construction of this turbine began in 2019 and is based on the company’s previous generation of large tidal turbines dubbed the SR2000. The whole rig is built from steel using fabrication methods that emphasize reducing costs and futureproofing of the turbine for mass production.

The massive power generator is expected to be functional for the coming 15 years and would be capable of powering over 2,000 UK homes every year.

4 Renewable Energy Sources

Environment Power Renewable Energy Renewables

Renewable energy is now in the list of popularity for the highest demand in recent year.In one word, you can say renewable energy are the future solution.

What is Renewable Energy?

Renewable energy means it is possible to renew them.In simple word there is no end of this type of energy.

 with the growth of population on the earth. The demand of renewable energy is also increasing day by day.Here I have discussed about some of the renewable energy sources.

Some Renewable Energy Sources :

  1. Solar Energy:
  2. Source:The source of this type of energy is the Sun,the King of our Solar System. Solar Energy is usually produced from sunlight falls on our earth surface.
  3. Production: To produce the Solar Energy, a solar panel is used which convert the sunlight into current for the uses. These solar panel are made of crystalline Silicon or C-Si which are also called as solar grade silicon. Silicon are abundant in amount on earth surface and feasible for produce current from sunlight.
  4. Advantage:
  5. The source of solar energy as we know it is the sun has no end. So, this energy is available anytime.
  6.  28-34 panel of solar plate can generate currents needed for an average house. So, you can personally generate the current you need.
  7.  No CO2 is produced during any process. So, it is eco-friendly. Even the solar panel are able to recycle bind.
  8.  It does not harm environment in any way.
  9. Economically affordable.
  10. Disadvantage: During rain, the power production efficiency is quite low than the sunny day, but still it does not affect so much the efficient is lowered by 5% .
  1. Hydro energy:
  2. Source: The source of hydro energy is water .This energy are produced by water dam, preserver, mountain rivers, water fountains.
  3. Production: To produce this energy, the following speed of water should be very high. The water flow will rotate the turbine which generate the electricity.
  4. Advantage:
  5. Water as a source of hydro energy is in abundant amount.
  6. During generation of hydro energy, there is no chance for the production of greenhouse gas. So, the environment is not affected.
  7. It produce a lot of energy.
  8.  The water is also not pollute during its production.
  9. Disadvantage:
  10. To need a lot of space for construct a damn and preserver. It is quite complex to set the need equipment to produce Hydro energy and need so much money.
  11.  The production process does not harm the environment but the construction can definitely affect the nature.
  1. Wind energy:
  2. Source:Obviously the source of this energy is wind.
  3. Production: It is produced by windmill. A heavy 3 blade rotor is fixed on the top of the tower.The speed of wind flow helps to make the rotor move which produce electricity.The windmill is usually setup on seashore,meadows or in any windy places.
  4. Advantage:
  5. The wind is abundant in amount. So, there is no running out of wind energy.
  6.  No CO2 is produced so no harming effect on the environment.
  7. Wind is not polluted during production.
  8. Disadvantage:

need lots of money equipment and manpower to set up a windmill.

  1. Biomass energy:
  2. Source: It is understandable that Biomass are living plant object.
  3. Production:The produce this energy the plant object are chosen.Electricity produced by burring those plant parts.
  4. Advantage: the non-edible and useless parts of plant are used as biomass energy.
  5. Disadvantages: Low amount of Co2 is produced but it does not affect environment that way.

Renewable Energy Sources

Energy is an important input for development. It aims at human welfare covering household, agricultural transport & industrial complexes. Due to population explosion the demand for various forms of energy has got increased many folds. Renewable Resources can be generated continuously in nature & are inexhaustible. These resources can be used again & again in an endless manner.

RENEWABLE TECHNOLOGIESWIND POWER

  1. WIND POWER :

Wind is an emissions-free source of energy. It is harnessed by making use of wind mills. Number of wind mills are installed in cluster are called wind farms. Minimum wind speed required is 150km/hr. A windmill converts wind energy into rotational energy by means of its blades. The basic principle of every windmill is to convert kinetic energy of wind into mechanical energy which is used to rotate the turbine of electrical generator to produce electricity.

2. HYDROPOWER

Hydropower or hydroelectricity refers to the conversion of energy from flowing water into electricity. Modern hydro turbines can convert as much as 90% of the available energy into electricity. Hydroelectric power generates about 10% of the nation’s energy. Hydropower is fueled by water, so it’s a clean fuel source, meaning it won’t pollute the air like power plants that burn fossil fuels, such as coal or natural gas.

3. TIDAL ENERGY

It is harnessed from the tides produced in the ocean. The turbine and generator converts the movement of water coming from change in tide, the kinetic energy, into electricity. Tidal Energy has an expensive initial cost which may be one of the reasons tidal energy is not a popular source of renewable energy.

4. SOLAR ENERGY

Solar energy as energy obtained from the sun. Solar energy is the cleanest and most abundant renewable energy source. It can be used in many appliances like Solar heat collectors, Solar cells, Solar cookers, Solar water heaters Solar power plant, Solar furnace.

Top 10 Residential Uses for Solar Energy