Domestic wind to counter the high bills
The issues related to the protection ofenvironmentemphasize the need to use energy sources renewablein order to to reduce at most polluting sources, with consequent benefits for the environment and the economy in general.
The sources of energy renewable they are represented by all those not subject to exhaustion that minimize the environmental impact, the main renewable sources are represented by solar, wind, hydroelectric and biomass energy.
The use of these energy sources is closely linked to certain environmental requirements, capable of fully exploiting their effectiveness.
For example, in the case of energy solara good exposure with adequate sunshine, favor the use of the now known solar panels.
As for energy wind powercapable of exploiting the driving force of the vento to produce electricity through the use of turbines e pale wind turbines, we have many examples now scattered throughout the national territory, represented by enormous ones piling on which large horizontal axis blades are mounted.
Of the two energy sources mentioned, solar is the most used, by virtue of the large diffusion mainly due to the good climatic conditions of our country, together with the ease of installation and environmental impact.
Clean energy with domestic wind turbines
The energy wind power it is hardly employed for use domesticoften for lack of news on the matter or because it is believed that only with the majestic wind turbines mentioned above, it is possible to produce electricity.
Thanks to the continuous research on materials and on the systems of accumulation through battery increasingly performing, today it is also possible to exploit wind energy in the home, thanks to wind power plants domestic.
Such plants do differentiate from large plants, mainly for two fundamental reasons: size of the structure and use of the electricity produced.
In fact, while large plants produce electricity to sell it on the grid, domestic ones have as their purpose the production forself-consumptionclosely linked to domestic needs.
This feature involves several benefits as the reduction of the costs of electricity bills, a certain independence from energy shortages in the event of a blackout, up to reaching, in some types of homes, theindependence from the public network.
Checks to be done before installing a mini domestic wind turbine
As with solar energy, it is necessary to verify the conditions of exposure and sunshine to create a good system, even for the construction of a domestic wind system, it is necessary to keep in mind some parameters.
The first is obviously represented by the presence of ventoa factor linked to the exposure of the site.
Also, by virtue of the power required, you need to think about the location of the structure, which, although much more modest than those of large plants, must in any case be placed in such a way as to be easily inspected.
Domestic wind power plant and its components
I components of a domestic wind power plant are basically represented by the generator wind power, consisting of horizontal or vertical blades, a regulator of charge, group of battery of accumulation and a inverter.
The blades pushed by the action of the wind produce voltage electricity variable in relation to the conditions of intensity e wind direction.
A modern AtlasX horizontal blade wind generator
This energy reaches the charge controller, which monitors the flow, thus ensuring a continuous flow of energy to the storage batteries.
The efficiency of this conversion can reach values between 80-90%.
The electricity thus obtained, stored in storage batteries, it can be used by household appliances, while part of it is transformed through the inverter into electric current alternating.
Wind turbines equipped with anemometer for large plants
These small plants are generally made up of two types of turbines:
- the first, best known, is composed of three wind turbines small size and a 3 kW wind generator;
- the second consists of mini-wind turbines with vertical axis or horizontal blades, which allow you to enjoy numerous benefitsthanks to their easy installation.
In fact, with them it is possible orientation the wind capture system based on the preferred direction, perhaps suggested by a anemometro supplied.
Moreover, thanks to the new materials used to produce the blades, it is possible to use blades very light larger in size, capable of producing energy even with wind speeds of a few meters per second.
Wind power plant and energy self-sufficiency
Thanks to them reduced size, small wind systems can be installed in different domestic areas, provided they are well exposed to the wind, such as the top of a roof of any type, on a terrace, on a canopy, etc.
Solarmill combined solar-wind module
A modern axis wind system vertical (horizontal blades), from 4 kW, a lot silent in operation and compact in its structure, it can be installed without request details authorizations municipal, provided it does not exceed 10 meters in height.
The domestic systems described constitute the solution ideal for all those homes located in areas where the wind is present more frequently.
Think of the great opportunity to be able to make self-sufficient a house by the sea or in a very windy mountainous area.
Domestic wind turbine and combination with photovoltaics
In addition, domestic wind farms can be matched to solar ones, making up for those situations in which solar radiation is scarce.
A home installation of Solarmill modules
These solutions allow with 3 photovoltaic modules of 300 W together with 3 vertical axis wind microturbines, capable of providing an additional 300 W, to reach a total power of 1.2 kW, for a total of 135 kWh per month.
The footprint of a combination such as the one described above occupies an area of 3×2 m in plan, but it is always possible to design other aggregations, based on particular needs.
The plants organized in this way, called solar millare the result of the company’s American research Windstream Technologies in the renewable energy sector, which has started an unstoppable process, the goal of which is energy independence.
Domestic wind power plant costs and advantages
Whereas a plant like the one described has a duration between 20/25 years, it does not produce noise pollution thanks to silence blades, it does not need large spaces or special authorizations.
Given that it turns out efficient even in the presence of moderate windI think it is a solution to be considered, perhaps joining it to a solar panel system, to drastically reduce energy costs.
The costs of a domestic wind farm
As for the costsat the time of writing, the prices are to be considered unstabledue to the well-known war events and related economic repercussions.
As a general principle it can be said that the greater the power required, the lower the incidence per KW.
On the net there are devices with very different costs.
The advice is always to rely on qualified personnel for the right choice, prior site inspection on the installation site, in order to evaluate the characteristics to be taken into account in the purchase.
On average, up to 6 KW should not exceed 6/7 thousand euros, including assembly, considering the increasingly exorbitant costs of electricity and the dependence of supply sources on other nations, the convenience of use is evident.
Furthermore, it is necessary to keep in mind the attitude of the European Community in the face of the need to free itself from dependence on non-renewable sources, by implementing a series of measures aimed at this transformation.
The increasingly widespread use of such systems, the concessions tax provided, the possibility of to reduce the maximum realization times, both for the installation times and for the lack of long bureaucratic procedures, certainly favors its use.
In light of the foregoing, I believe it is definitely advantageous opt for a domestic wind systemwhose purchase cost can certainly be amortized over the 25 years of its normal operation.
Source: LAVORINCASA.it by www.lavorincasa.it.
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