Wind Energy

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Wind Energy

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GROUP 1 (DAVIDE BALZANI, DIEGO MARONO, FRANCESCO RIDOLFI AND ELISA SANTONI) + (BENTE DOSSCHE, HELENA LIBBRECHT, AND DONJETA SHALA)

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Definition:

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The wind energy, as the name implies, is a type of energy derived from the force of the wind, which is converted into work-power (often in the form of electricity). 

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HISTORICAL BACKGROUND:

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Between the nineteenth and twentieth centuries, various scientists focused their studies on the exploitation of wind for energy purposes. The result of their studies is that today, most of the wind energy is produced by turbines and wind turbines.

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How is the force of the wind converted into energy?

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Electricity is obtained from turbines that transform the movement of the blades moved by the wind into electricity.
As in the paper swivels, so the wind moves the large wind turbines of the turbine creating kinetic energy (i.e. the energy generated by the movement of a body).
The blades are connected to a rotor, in turn connected to a "tree" (placed in the pole), which sends the rotation energy to the electric generator located at the base of the structure. This generator uses some magnets and electromagnetic induction properties to produce an electrical voltage (i.e. a difference in electrical charge) and therefore electrical energy.
There are various types of turbines and various types of blades depending on their size or type of axis.

Wind Energy
in Italy

The great majority of the plants are located in the South, that is where the most windy areas are located. The south and the islands are driving forces for the wind sector in Italy and represent 97% and beyond. less than 3% of the remaining parts of Italy, a production of about 4.3 MW, in particular just under 2% from the center and 1% from the north.

Wind Energy in Emilia-Romagna

Emilia Romagna is a region historically devoid of windmills and with characteristics not conducive to wind-industrial. Production from renewable sources is 3,527.4 GWh; the production mix from renewable sources in the region is made up as follows: 44% bioenergy, 31% solar, 25% hydraulic and 1% wind. Wind powered plants mostly find applications in industrial initiatives for the production and sale of electricity. In fact, the average size of the plants powered by these renewable sources is approximately 2.79 MW.

Wind Energy: Why yes

It is:
- easily exploitable

-transformable and easily available

-The costs of the wind power plant and the maintenance of the turbines are relatively low. A cost for each kW produced, in very windy areas, is rather low.

Wind Energy: Why not

It is:
- as well as the weather conditions, the wind is relatively unpredictable so it is not possible to accurately estimate a return on investment plan.
- precisely because of the intermittent and non-programmable nature of this energy source, wind energy must be used in combination with energy from fossil sources.
-polluting at visual and acoustic level (for this reason the places where they are mostly built are near the coasts, mountains or hills, where the wind blows even stronger.

THE FUTURE OF WIND ENERGY

The wind is an inexhaustible source of energy. This characteristic has pushed the European institutions to give a decided push to the so-called renewable energies with the 20-20-20 Plan. In our country, the use of renewable energy has increased by 14% in the last year (Terna report).

SOLAR ENERGY: photovoltaic system

SOLAR ENERGY

It comes from OUR star, the sun, primary and endless source in our planet.
Renewable, clean, inexhaustible.
SUN WON'T DISAPPEAR

solar photovoltaic

Formed by SOLAR PANELS, that convert sunlight in electric energy without using and producing fossil fuels.

This conversion takes place in PHOTOVOLTAIC CELLS, made of Silicon, a natural and completely recyclable material!