wind power plants
wind power plants
The transition from the use of non-renewable energy sources to renewable energy sources is part of the wider transition towards a more sustainable economy, aiming to limit and possibly reduce climate change; aware of the sudden change in the sector, Officine Meccaniche Zanetti is determined to assume an increasingly important role in dealing with this evolution.
A wind power plant consists mainly of four elements: a wind tower, between 60 and 100 meters of height, a turbine shaft, three aerodynamic wind turbines of variable length between 20 and 60 meters and a hub that together form a rotor; as a mechanical workshop, we process and supply turbine shaft, hubs and rotors, which connect the blades to the hub, allowing the adjustment of the pitch angle in order to optimize the yield.
The wind’s driving force blowing on the two sides of the blades, fixed to the tower, produces a pressure difference that allows them to rise, therefore making the rotor, connected to a turbine shaft, turn. The kinetic energy thus created, thanks to the rotor, is transformed into electrical energy.
Wind farms, depending on their location, can be offshore or on-shore, based on whether they are in the middle of the sea or on land.
These plants have many advantages, in addition to being a source of renewable energy:
- They occupy relatively little space, developing vertically;
- Their environmental impact is very low, and their turbines are estimated to last no less than 20 years;
- Wind is an inexhaustible source of energy;
- Installation costs are lower than other installations using non-renewable energy;
- Their installation is almost completely reversible
The energy produced in 2020 by wind farms reached 5,825 GJ, marking a 7.3% increase compared to 2019.
With the current growth rate, it is estimated that the energy produced by wind farms could reach 20% of the world’s electricity production by 2030.
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