Solar panels are complex modules of photo-voltaic cells that accumulate sun energy and turn it into electricity; though the system as such seems very complex, from the technical point of view, things are not difficult at all. Depending on the necessity of the user, the solar panels vary in size according to the number of photo-voltaic modules that they incorporate; the modules are hold together by special wiring systems and they function as a field unit. Fiberglass, metal, simple glass or even plastic are used for covering the photo-voltaic cells and creating the exterior of the overall solar panels.
There are some practical conditions to be met for the solar panels to work properly. First of all, the cells in the solar panels have to be connected with each other in order to accumulate and pass on the electric charge. Then, the solar panels have to be protected from the outward environment, since they are very sensitive to aggressive mechanic factors. Thus, you have to take all the measures necessary for the exterior protection against hail, heavy snow and winds. Such precautions are particularly important if your solar panels are made of wafer-based silicon cells that brittle more easily.
You can increase the performance and the life of the solar panels by creating some insulation cover against moisture; hence avoiding metal corrosion is in fact the best way to ensure that the panels remain in good shape. Depending on the type of module structures, solar panels can be flexible if based on thin film cells, or rigid for normal modules. You don't have to worry about the potential overheating of the cells since there are diodes integrated in the structure of the solar panels that decrease temperature automatically. Moreover, manufacturers most often include special ventilation items in the design of the solar panels.
The most competitive solar panels use a combination of mirrors and lenses to focus solar energy on the cells, thus reducing the energy production costs. Companies are offering extensive innovations in the systems, since the demand for solar panels has registered a real boom over the last ten years. With fast decreasing energy resources, and given the high pollution rate that power plants are responsible for, it's no wonder people are looking for alternative energy sources.Solar panels can cover up to 80% of the heat and electricity needs of a household, with the mention that they can be applied for all sorts of landscaping light systems too.
Showing posts with label Solar. Show all posts
Showing posts with label Solar. Show all posts
Monday, May 17, 2010
Wednesday, May 12, 2010
Solar Power Basic
Many question are ask, Is it a great idea to go solar or if it's not?What are the advantages?Its solar really good for my business or home.The advantages in going solar are the electricity supplied by a pv system displaces electricity from some other power-generating technology.If the alternative is very expensive,such as a utility connection to a remote location,then the pv system can save you alot of money.
Yes,its great having a solar system install in you're home or business,the benefits are huge but we need to consider a few things.Before we go out and purchase a system we need to know,It's they're sufficient sun hours where i live?and how many sun hours in a daily basis.We need to determine what are our needs,concerns,expectation.Hiring a professional pv installer is really the best choice, he or she can explain the process of determining potetial array location ,methods and diagramming shadding patterns.
What to really consider before purchasing a solar power system:
Need to discuss with the professional you hire,considerations in determining the suitability and condition of existing roof,stuctural systems.
Electrical systems and equipment.
Ask the professional installer to explain the function of an energy audit and idetify opportunities for conservation and energy efficiency.
What you should consider when a proposal is offer such as,estimate for cost,size of system,performance,and value of system.
Identifying these factors begins the site surveying process,which influences all other subsequent system design and installation procedures,including solar equipment,preparing bids,planning and completing pv system.Installer and designers of pv system must identify the customers need,concerns and answer all question a customer should ask.Some customers may be very informed while others may need the installerto explain the types of systems and their costs,functions,and performance.Many solar contractors provide literature to help customers identify their options.
The cost and funding is the major concern to customers.Fortunately,there are many resources for renewable energy,including financing,state and federal incentives,and credits.When discussing your needs with pv installers and have the solar system that cover your needs,ask them for information on applicable funding programs.Later,when the system is figured out,the contractor or installer can use this information to help you apply for these programs.
Also have in mind tha installers must coordinate a schedule and minimize potential delays to ensure the work is completed in a timely manner.The pv installer should discuss the installation process with the customer.Schedule should have flexibility to accommodate unavoidable delays such as weather or shipping delays.
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