Solar panels in private households can be installed on rooftops or in the garden. In the second case, if there is enough space for installing panels, the owner of a Solar companies in Pakistan plant receives many advantages.
The ground option is suitable if the roof has too complex geometry, it is obscure by neighboring buildings or trees, and it is unfavorably oriente. In addition, on the roof of even a fairly large cottage, solar panels can be place only for half the nominal power of the solar power plant with a generation of up to 30 kW
Installing panels on the ground is less technically difficult than designing structures on roof slopes. Especially if the owner of the site plans to install typical designs that install companies offer.
What to consider when installing panels on the ground
The main conditions are the absence of shading and orientation to the south. If you plan to install solar panels in several rows, take care of sufficient distance between them. A typical solar power plant with a capacity of 30 kW will take you approximately 500 m² of area; for atypical designs, the area must be calculate depending on their features.
The first stage on the way to your future solar power plant is design. For him, the company to which you entrust the construction of the station, you need to provide a site plan, taking into account underground utilities and terrain features, planned capacity, geological conditions.
Experts recommend installing structures made of aluminum profile or hot-dip galvanized steel. These materials will serve for many years, as they practically do not corrode. There is no need to repaint them every year.
The right angle for maximum performance
In order for the solar power plant to generate the maximum amount of energy, it is necessary to choose the right angle of inclination of the panels. In Ukraine it is usually 30-35° in the absence of mutual shading.
The amount of energy generate by solar power plants can be increase by using fastening systems that automatically change the angle of the panels depending on the season and the location of the sun. Tracker systems are single-axis and two-axle. They increase energy generation by 20 to 40% compared to stationary structures.
However, tracker systems also have advantages and disadvantages. They increase the performance of solar power plants, but require additional maintenance costs, large areas for installation. For the installation of a ground-based solar power plant with single-axis trackers with a power of about 10 kW, about 130 m² of area will be required. This is due to the fact that in the morning and in the evening the angle of inclination of the panels can reach 50-55 ° due to the low position of the sun. Two-axis trackers change the angle in a wider range, respectively, they need even more space for their location.
Installation of ground solar power plant
Construction starts with the foundation. It can be piles or concrete: the time of creating the foundation of your station depends on the choice of the type of foundation. Since the concrete must harden, the duration of the work with this choice will increase.
Metal structures according to a standard project are usually mounted up to several days. Installation of Solar energy in Pakistan is quite fast, it will take some time to install inverters and lay cables. Experienced specialists will competently plan and organize the process, so it is quite realistic to carry out all the work in 7-10 days.
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