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Solar Power: The Green Power That Is In Our Hands
It may still be further down the road until we finally see a solar panel not as a novelty but an essential and regular power source for businesses and homes. It will be great to find out that someday we will be one in taking on this green source of energy to power our lights in our homes as well as our notebooks while on an outdoor adventure during our summer break.
We would love to see a single solar panel- a 14 kg and 130 watt panel which can provide us with an uninterrupted green power for the next 30 years. It is a glimpse of the future where solar panels become a wide source of green power. Solar panels are made out of wiring, aluminum, glass and silicon and without moving parts that need to be replaced. This is a great power source that requires minimal maintenance.
The Magic of A Green Solar Power Panel
When we try to unleash the secrets of the solar panel it can seem like something that is from the distant future . However, if you are seriously considering buying one for your home or for your business then it would be wise for you to carefully discover and learn everything about this green source of power.
For the confused many of you, as soon as you are able to uncover a few items from the references on solar power and the solar panels you might find them as something in the midst of some kind of a voodoo practice. Some even say that they would need a high level of Education in order to master everything about this green and renewable source of energy.
Here is our humble attempt in bringing to you all the things that you need to know about solar energy and solar panels in a manner that can be understood by simple folks like us.
The solar panel harnesses solar energy by converting it to electricity for business or home use. The heart of the entire process are the photovoltaic cells usually composed of 36 units the can very in sizes depending the rating for amp/watt of the solar panel that we require for our business or home use. A photovoltaic cell is made out of a pair of silicon wafer materials that are about 1 mm in thickness one each having its own polarity.
An electron activity is generated within the cells once these are exposed to sunlight. This generated electron activity is then captured by a network of fine electrical points that are found across the solar panel. This electron activity is relayed through the solar panel’s junction grid which is located at the back portion of the solar device where it is transformed and released from the grid as direct current electricity.
The silicon wafer materials of each of the solar cells are protected by toughened outer layer glass which is about 3mm in thickness. This outer layer is strong enough to withstand the harmful elements of the external environment. This toughened outer layer must be strong enough to protect the inner layer from extreme temperatures ranges, hail and some degree of material flexing. The silicon material is blended with an anti-reflective matter to enhance the light absorption properties of the solar panels.
The back portion of the solar panel is wrapped by aluminum plate and the panel system is framed with aluminum material.
Cabling System of The Solar Panel
As soon as the solar juice goes out of the solar panels, it moves on through a system of cables that are directly attached to the junction box. The cabling size and diameter are the critical variable of the relay system. If the cabling is too thin for the actual output of the panel and the distance that has to be traveled, we end up with a condition that is akin to pouring large volume of water onto a very miniscule opening. This means poor efficiency where the juice is lost along the cabling system as heat energy and would also be the main cause of cable burnout.
There is already a fixed guideline in terms of the size and diameter of the cabling system based on the amp rating of the solar panel that you are buying. There is also a standard guideline in the cabling size and diameter based on the distance between the solar panel up to the inverter or regulator.
Orientation and Angle of the Solar Panel
The rule on the proper angle and orientation of the solar panel will depend upon your location and the prevailing climatic condition in your location. The basic information that must be considered with regard to orientation and angle are as follows:
In order to get the maximum juice from your solar panel during summer, it is advisable that you chase the light source as the sun sits on a higher level during this time of the year than during winter time.
If you are living in the Northern Hemisphere, your solar panel must face the southern direction and if you are located in the Southern Hemisphere, your solar panel must face the northern direction.
The angle of the solar panel must be at plus 15 degrees of your latitude during winter time and minus 15 degrees of your latitude during summer time.
Managing The Shade
Your solar panel and the shade do not make a perfect pair. There are claims of solar panels that are tolerant to shade but just the same, such prevailing condition will lead to substantial drop to charging power even if only a small portion of the solar panel is directly covered by shade. You will get zilch in solar juice if a fourth part of the solar panel is affected by the shaded condition.
Care and Maintenance of Solar Panels
One thing great about solar panels is that they don’t have any parts or components that are moving. By this configuration alone, issues of deterioration and maintenance are considered insignificant and you can just as well expect a low or even no-maintenance setup when used either for business or home.
You only have to do occasional brushing of the surface to remove the grime and dust that accumulate over time as these can have a major impact on the overall efficiency of the solar panels. Beyond this regular but simple chore, all that needs to be done is the inspection the wiring and frame seals along the junction box.
Cost of Solar Panels
The cost of the solar panels is entirely different story. The price tag varies as to the brand, the wattage and the type of the solar panel that you are going to purchase. It would be wise to do the requisite legwork in order to get the best deals when buying solar panels for your business or your home.
It would be normal to spend a thousand dollars for a solar power with wattage of 130 but can also find one with the wattage priced much higher by other suppliers. Thus, it really pays to do some serious shopping. You may pick out a great deal online in sites like the eBay although such approach entails high risk as you may end up with a merchant who suddenly decides to disappear after receiving payment from the purchase. It is essential that you are able to do thorough verification check of the merchant to ensure that you are dealing with someone who is reliable and trustworthy.
As a safe rule in pricing of solar panels, expect to spend around $5.00 for every watt of solar panel you buy.
How Many Solar Panels Do I Need?
This is probably the nagging question that hounds most of those who are planning to buy solar panels for their homes or businesses. The answer all boils down to your requirement, location and other distinct factors associated with your power system.
Here is a simple but practical way of determining the number of solar panels that you will need for your business or home.
List down all your appliance or equipment that requires power.
Jot down their respective wattage
Note the number of hours that of the equipment or appliances are used.
Derive the total for each by multiplying the wattage with the total hours used.
Add the total for each of the appliances or equipment to get the grand total.
Determine the peak sun hours that you get on a daily basis using the chart on peak sun hours.
Divide the grand total you get under item #5 with the peak solar hours.
The figure that you get is a ROUGH gauge of the wattage of the solar panels that you will need.
If you want a more precise measure of the total wattage of the solar panel that you will require, you can use the solar panel calculators that are offered by most merchants and suppliers. This calculation will also take into account your geographical location and other variables related to your power system.
Solar panels are particularly heavy on the budget. This is a major investment that requires serious and thorough evaluation before making the purchase. It is important that you have an almost precise determination of your electrical consumption. You should remember that a few cutbacks in the number of solar panels result to major savings in your part.
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