Jan 28, 2016 at 18:56 o\clock

Exactly what are Solar panel systems?

by: HildaMaynard   Keywords: Solar, panel, systems

http://solarpanels5a.hpage.com/ - veterans - - Sunlight could be the primary energy source on this planet and sunlight might be converted right into electricity using solar power panels. Electricity has grown to be indispensable in daily life. It powers the machines that most us use daily.

So, what exactly are solar power panels? Suppose you may earn your own personal?

In this post, we're going to show you a simple way of building your own functional screen.

The ingredients

A cell is normally made of six (6) components namely the PV (photovoltaic) cell or solar cell which generates the facility, the glass supplies and protects the cells, the frame which provides rigidity, the backsheet the location where the solar panels are laid, the junction box the place that the wirings are enclosed and connected, and also the encapsulant which can serve as adhesives.

As most people won't have access to equipment in manufacturing solar panel systems, it is very important note and understand those six components to ensure that that you manage to plan the materials required to produce a do-it-yourself or home-made screen.

Materials needed on the way to produce a cell have to be available for purchase locally or online and must not exceed the price tag on a fresh solar panel or will not take too much time to construct.

1.) PV Cell

The first thing to consider when building your own personal solar panel will be the solar panel.

Photovoltaic (PV) cell or solar panel converts visible light into electricity. One (1) solar panel however is just not enough to make a usable quantity of electricity similar to the microbot in Baymax (Hero 6) which only becomes useful when combined like a group. This basic unit generates a DC (direct current) voltage of 0.5 to a single volt even though this can be reasonable, the voltage remains too small for many applications. To produce a useful DC voltage, the cells are connected in series and then encapsulated in modules making the solar power. If one cell generates 0.5 volt and is also connected to another cell in series, the above cells should then manage to produce 1 volt and they also may then be known as a module. A typical module usually is made up of 28 to 36 cells in series. A 28-cell module will be able to produce roughly 14 volts (28 x 0.5 = 14VDC) that's enough to charge a 12V battery or power 12V devices.

Connecting a couple of solar panels require that you've a basic comprehension of series and parallel connection which has similarities to connecting batteries to produce up an assortment storage system.

There are two most popular solar panels that can be purchased on the market; a monocrystalline cell and a polycrystalline cell. Both of these will surely have exactly the same size, 156mm x 156mm, however the main difference would be efficiency. You will need to purchase additional cells for everyone as backup if you happen to fail on a number of the cells i.e. bad solder, broken cell, scratched, etc.

Monocrystalline solar panels are generally black and octagonal in form. Such a solar panel is constructed of the greatest and purest grade silicon causing them to be expensive. But they're the best of all sorts of cells and they are typically the option of solar contractors when space is a key to consider in experienceing this power they wish to attain depending on their solar system design.

Polycrystalline Solar cells are seen as their bluish color and rectangular. These cells are designed in a easier process which lowers the purity from the silicon content and in addition lowers the efficiency from the end product.

Generally, monocrystalline cells are more efficient than polycrystalline cells but this does not always mean that monocrystalline cells perform and outputs more power than polycrystalline cells. Solar cell efficiency has something to do with how big cellular matrix and each cell or cells have an efficiency rating based on standard tests once they were manufactured. This rating is usually in percentage as well as the common values range between 15% to 20%.

2.) Glass

The glass protects the PV cells while allowing optimal sunlight to feed. These are usually made from anti-reflective materials. Tempered glass is the collection of material nowadays even for unknown and new manufacturers though there continue to be people that utilize flat plate glass on their solar power systems. Tempered glass are made by chemical or thermal means and is also often stronger than plate glass rendering it costlier to create but the price of manufacturing them today is affordable and cost-effective. Flat plate glass creates sharp and long shards when broken rather than tempered glass which shatters safely in small pieces upon impact, this is why they also call it safety glass. It should be noted here that most amorphous solar panel systems uses flat plate glass because of the way the panel is made.

Tempered glass is exactly what manufacturers use within mass producing their solar power panels. Within our DIY project, we propose to make use of Plexiglas also called acrylic glass that's safer compared to regular normal glass out of your local shop. It's kind of expensive than regular glass but is weather resistant and does not break easily. The Plexiglas may also be screwed or glued easily on the frame.

3.) Frame

A frame is normally made of anodized aluminum which supplies structure and rigidity on the solar module. These aluminum frames are also meant to be suitable for most solar mounting systems and grounding equipment for easy and safe installation with a roof or on a lawn.

The frame in a factory-built solar panel is usually the aluminum part where all sides of the cell sheet are inserted. Consider it as a skeletal rectangular frame. The cell sheet mind you consists of the opposite 4 components and are layered and laminated within the following order all the way through; the tempered glass, top encapsulant, the solar panels, bottom encapsulant, then the backsheet. In your DIY screen, we are utilizing a wooden frame as well as the end-result can be something analogous to some picture frame where the picture could be the cells glued into a non-conductive board, the glass for the Plexiglas top cover, along with the wooden part because frame and backsheet.

4.) Backsheet

The backsheet could be the layer of plastic film for the back surface of the module. This is the only layer protecting the module from unsafe DC voltage. The primary function of the backsheet is always to insulate and protect the handler from shock and provide the safest, efficient, and dependable electrical conductivity possible.

The backsheet would have been a wooden plywood in which the frame will probably be screwed at the top as well as on the perimeters. It should be noted here which a perforated hardboard (Pegboard) will be used to place and align the Electricity cells which Pegboard will take a seat on the top of wooden backsheet and fitted inside the wooden frame.

5.) Junction Box

The junction box is the place the terminal wires and bypass diodes are situated and concealed. The terminal wires are basically the negative and positive wires depending on the series connections from the Solar cells and could be connected to another solar power, electric power charge controller, a battery system, as well as to an inverter, based on the system design. The bypass diode is often a protective mechanism that prevent power from ok the solar power when it's not producing electricity as with the case if it's evening.

There are junction boxes made for factory-built solar power panels which are available nowadays to get online especially from China. If you aren't pressed for time, purchase on the internet and wait for an delivery or maybe you can just obtain a regular electrical junction box from your local home improvement store. The intention of the junction box would be to protect the terminals (bad and the good terminals) from water, dust, along with other elements. This can be the location where the two wires (red for positive and black for negative) will be originating from. Another end of the wires can be paid by employing a PV accessory called MC4 which could also be purchased online alongside the PV junction box.

6.) Encapsulant

Encapsulant sheets prevent water and dirt from infiltrating the solar modules and serve as shock-absorbers that protect the Solar cells. They have this adhesive bonding chance to the glass, the PV cells, along with the backsheet similar to a glue but stronger. Encapsulants are usually made from Ethylene-Vinyl Acetate or EVA and they are applied using lamination machines and operations. Solar power manufacturers make use of a vacuum and a large oven to effectively seal and cure the EVA sheet to the solar panel systems. Many of us will not have the capability to do this but a majority of have tried and failed although some had varying levels of success.

Encapsulants are thin plastic sheets which are usually laminated on the top and bottom areas of the solar panel sheet. The bottom encapsulant will be the layer on top of the backsheet in which the solar panels are in fact placed and supported. In our project, we'll instead make use of a latex acrylic paint. This paint won't be put on the solar cells because when attempted, will not likely cause the same distribution or using the liquid to the surface of the cells which can degrade performance. The paint will be applied to the wooden frame, wooden backsheet, and to the Pegboard. This Latex Acrylic paint are able to protect the wooden parts from Ultra violet rays and will better resist blistering and cracking overtime. This paint, although water-soluble, can dry quickly and becomes water-resistant.

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