Solar Panel: An alternative source of energyTweetDate: Feb 9, 2012 | Views: 29 | Comments: 0 A solar panel is a device that uses energy from the sun and converts it into other forms of energy that can be consumed for a variety of purposes. This is constructed from several solar cells that are arranged in several arrays to create a panel. These solar cells absorb sunlight, which is then converted into energy via an electrically connected grid, which provides electrical power. The most popular and highly useful type of solar panel is known as the Photovoltaic panel which collects sunlight and converts it directly into electricity through a semi-conductor material like silicon. The number of photovoltaic panels depends on the amount of space available for its function. If one has a large area, many panels can be set up. Even if there are other open spaces in garden or backyard those space can be used effectively.Solar energy panels are a new, eco-friendly option for homeowners who want to heat and cool their home efficiently using the sun's light. This panel can be used for powering electric devices and electronic appliances and also for recharging batteries. Initially this PV panels were used for generating power for spacecraft and orbiting satellites. It is also used to create grid connected power generation and DC power can be converted into AC power. Thus power can be used to generate electricity for rural homes, power boats, electric cars and recreational vehicles. Another common type of panel system is system which, collects heat energy from the sun and generally uses it to heat either water or liquids that will then transfer their heat to water or air. In large scale solar thermal plants, the heat can be used to power steam turbines. There are several companies which are able to help to estimate one’s requirements and install the panels accordingly. We can use the services of such companies for specifying an appropriate system, procuring the most efficient panels and installing them in our home or business. An efficient modern solar water heating systems is constructed with the latest evacuated tube & heat-pipe technology to make them extremely efficient. They convert 60% of the solar energy that falls on them into useful heat energy. They can be operated in low temperatures as cold as -40°C enabling them to contribute to water heating throughout the winter. They are durable and resistant to frost. During the summer they provide 90-100% of hot water needs. On average over the year they provide ~50-70% of hot water required.
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