Phoenix Electrical Solar Services

Power from the Sun

How does solar work

When you think renewable energy, chances are your mind fills with the image of solar photovoltaic cells adorning rooftops. But how do they work? How do the panels convert sunlight into electricity?

Basically, solar panels consist of a layer of silicone, which has been created with elemental impurities so to create a natural electric field. When the photons from sunlight hit the panel, it releases an electron into the negative field of the PV and that electron is ejected from its atom. With the right wiring in place, that electron can create an electric current which can then be used to power your gadgets.

The problem with PV cells is that they only really work when they are subjected to sunlight, so they won’t create electricity at night, and produce less when the sky is overcast. That said, there are solutions available to store the charge from PV cells in batteries for later use, or to be sold back “to the grid” to give you a bit of cash from producing your own electricity, although in most cases you’ll consume more than your PV setup will create.

Considering the technology has been around since the Russians first went into space, it’s surprising that every house isn’t built with PV cells already attached.  

 

 

How Solar Works

 

 Sunlight is converted into DC electricity by your solar panels.

Your grid tied inverter then transforms the DC electricity into 240V AC sending it to your mains switchboard.

Your residence gets power from your mains switchboard.

While the sun is shining you are feeding electricity from your solar inverter into your residence as well as the local grid, through the mains switchboard.

When the sun goes down the inverter switches off and 100% of your energy is then provided from the electrical grid.

At sunrise the inverter switches on and starts exporting 240V AC electricity back into your residence and out onto the electrical grid. 

Clean Energy Council
Clean Energy Council
SMA Solar Technology AG
SMA Solar Technology AG
Trina Solar
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