What is solar energy and how do solar panels work?

Our sun is a natural nuclear reactor. It releases little packs of power known as photons, which travel then 93 million miles from the sun to planet in about 8.5 minutes. Every hour, enough photons impact our earth to produce enough solar power to theoretically satisfy global power needs for a full year.

Presently photovoltaic power accounts for just 5-10 of one percent of the power consumed in the America. But solar technology is improving and the cost of going solar is dropping quickly, so our capability to harness the suns abundance of power is on the rise.

How do best solar panels work?

When photons strike a solar cells, they knock electrons loose from their atoms. If conductors are linked to the negative and positive sides of cell, if forms an electrical circuit. When electrons flow via such a circuit, they produce electricity. Different cells make up solar panel, and different panels can be wired combine to make a solar array. The more panels you can deploy, the more power you can expect to produce.

What are solar panels made of?

Photovoltaic solar panels are made up of many little cells. Solar cells are made of silicon, like semiconductors. They are made with a negative and a positive layer, which combine make an electric field, just like in a battery.

How do solar panels produce electricity?

PV best solar panels produce direct current electricity. With DC power, electrons flow in single direction around a circuit. This example presents a battery powering a light bulb. The electrons move from the negative battery side, through the lamp, and return to the positive side of the battery.

With AC electricity, electrons are pulled and pushed, periodically reversing direction, much like the cylinder of a vehicles engine. Generators make AC power when a coil of wire is spun text to a magnet. Many different power sources can “turn the handle” of this generator, such as diesel fuel or gas, nuclear, hydroelectricity, solar, wind, or coal.

What does solar inverter do?

Any solar inverter takes the DC power form the solar array and uses that to make AC power. Inverters are like the brains of the system. Along with inverting AC to DC power, they also give ground fault protection and system stats, adding current and voltage on DC and AC circuits, power production and highest power point tracking.

Central inverters have dominated the solar industry since the starting. The introduction of micro-inverters is one of the largest technology shifts in the PV industry. Micro-inverters optimize for each individual solar panel, not for a full system, as central inverters do.

This permits every solar panel to at highest potential. When a central inverter is used, having an issue on one solar panel can drag down the performance of the full solar array. Micro-inverters, make this a non-issue. If one solar has a problem, the rest of the solar array still works efficiently.

How does  a solar panel work?

Here is an example of how a home solar installation works. First, sunlight targets a roof solar panel. The panels change the power to DC current, which flows to an inverter. The inverter changes the electricity from DC to AC, which you can then use to energy your home. It is beautifully clean and simple, and it is getting more affordable and efficient all the time.

Anyway, what happens if you are not home to use the power your solar panels are producing every sunny day? And what happens at night when your solar system is not producing power in true time? Do not hesitate, you still advantage through a system known as “net metering.”

A typical grid-tied PV system, during top daylight hours, frequently generates more power than one customer needs, so that excess power is fed back into the grid for use elsewhere. The customer get credit for the excess power produced, and can use the credit to draw from the conventional grid at cloudy days or night. A net meter records the power sent matched to the power received from the grid.

Is my house a best candidate for solar?

Here are some important questions we ask anyone interested in buying or leasing a solar power system from solar companies to ensure their home is top suited for making power with best solar panels.

What type of roof do you have?

Solar panels work amazing with durable, powerful roofing materials, such as asphalt or composite shingle, standing seam metal or concrete title. For roofing materials such as slate tile and wood shake, or for roofs made of lay with composite or mortar stone/metal coated steel, you can still go solar but you would want to pick a solar expert who has experience installing solar panels those kinds of roofs. Also, the kind of mounting hardware your solar installer plans to use is vital.

How much sunlight does your roof get?

To view if your home is a best candidate for solar, try out a solar panel suitability checker such as Google sunlight project. Then set up an appointment for a solar consultation with a professional who will visit your home to check its orientation, tree shading, roof angle to view if your roof will get enough sunlight to meet your family power needs. The more direct sunlight your home gets, the more power the panels will generate.

Does your roof need to be replaced?

It is a best idea to change a roof that is near the end of its life before installing solar because best solar panels have an expected useful life of forty years, and you would not want to unnecessarily have to remove them. Solar panels should be installed on roofs that are in best situation and will not need to be changed in the near future. Considering that your savings from top efficiency solar panels could pay for the cost of a re-roof in as pretty as 5 years after solar installation, it may be valve it to do any needing roofing work before you solar installation.

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