Solar systems:
A typical photovoltaic system consists of solar cells connected electrically to form a module that can measure two to four feet wide and four to six feet long. Some solar modules look just like
traditional roof shingles. Many interconnected PV modules are called a solar array. An array is often mounted on the roof of a building, facing south at an angle, so that the modules receive the
maximum amount of sunlight. Other typical features of a PV system are an inverter, which changes your electricity from direct current to alternating current so it can be used by most standard
appliances and computers. Batteries may also be added for emergency backup in the event of power outages or in cases where your PV system is not connected to utility power lines.
Solar energy is renewable and clean environmental friendly energy. |