Photovoltaics are solar connected in an array which converts sunlight into direct current electricity. Solar technology has advanced over the years due to the surge of wanting renewable energy and the public interest as well. Since 2002, there has been a 20% increase of global PV installations which have produced over 21000 megawatts of solar power energy since 2010. Thanks to the drive of achieving better technology and an increase in the supply of PV solar power, the prices have dramatically changed. The state and government in general have boosted the use of PV's thanks to the tax incentives such as preferential feed in tariffs which has supported installations in many countries.
Photovoltaics work by photoelectric effect where the protons from the sun bounce electrons in the silicon solar cells creating an electric current. The electricity created by the solar cells is used to charge batteries or power equipment. Majority of photovoltaic are modules are used mainly in the generation of grid connected power. Small markets for off grid power usages are also available for electrical vehicles, road side emergency phone booths, boats and remote sensing. It's imperative to note that solar cells are completely fragile and require enclosure to protect them from extreme conditions.
More and more countries are now turning to setting up solar PV plants to power up the nation. One can assemble one within the confines of their homes with no emissions produced thus making them a greener option for earth. Photovoltaic power has many uses and its application depends on the location of the home owner and the needs of the consumer. The application will vary from urban, rural or suburban depending on where the consumer lives or uses the PV solar energy. It should be noted by every home user who wants to try out photovoltaic solar power not to worry how their homes will look like since a solar powered home can and will function almost identical to an electronically powered home.
Photovoltaic power is harnessed to operate electrical appliances in the home ranging from powering a computer, stereo equipment for recreation, TV and powering lights. Solar panels will be placed on the roof of houses in densely populated areas such as suburbs and cities to supplement electric power use. In such cases, the homes are already connected to the city's power grid. Science for solar technology for home use has produced home solar photovoltaic systems that will work at homes making bills that we make monthly to power our homes greatly decrease.
The current created by the array can be directed to deep into deep cycle batteries through a charger controller. The controller regulates the batteries charging process and limits any back flow of current to the array. The batteries store Direct Current (DC) and an inverter is used to convert the DC to Alternate Current (AC) since most of household electrical equipments use AC.
A home solar photovoltaic system is a good idea to explore alternative energy for our homes.