subject: Pv Solar Roof Top Standalone System [print this page] Typically a Solar Roof Top Standalone System is installed at buildings/homes where there are major power supply issues from conventional resources (non-renewable). As the name suggests it is a complete standalone module that takes care of all the power needs of a house or business establishment. Depending on the power demand of a particular household or business establishment the sizes and costs of Solar Roof Top Standalone Systems vary. It is therefore very important to first gauge the power needs before installing such a system.
How it works?
A complete solar Roof Top Standalone System comprises of four components. For easy understanding it is better to divide it into 3 main components and a subcomponent. The first component of such a system is solar panels that should be well positioned on the roof top to attract maximum sunlight to make optimum utilization. Remember as mentioned earlier it is important to first find out the actual power needs of a household/business establishment (depending on number of appliances running, bulbs, tubes, fans, etc.). The more the number of panels the more will be the DC power generated. The second and third component of such a system would be Solar Power Inverter and a battery respectively. Like conventional inverter running on batteries the solar inverters convert the DC power generated through the solar panels and provide AC current as electricity. The subcomponent of the standalone system is a Solar Charge Controller, which regulates the DC current flowing from the solar panels to the batteries and makes sure that the charging of batteries are optimized (no under or over charging). Depending on the load factors and weather conditions, the standalone systems may also be connected to Solar Power off Grids.
Checklist before installing Solar Roof Top Standalone System
A thorough analysis or a study needs to be done on power requirements before buying and installing a roof top system. Firstly, you need to make a rough estimate of the number of appliances you would be running using such a system. Secondly, and most importantly the various technical factors need to be analyzed like the positioning of solar panels, battery types, quality and configuration of all the components, sub components, etc. Remember, buying a stand alone roof top system is a long term investment meant for reaping long term benefits!
