What are GRID-TIED SOLAR SYSTEMS?
Grid-Tied Solar System is a solar roof system connected to a utility power grid.
It also has various names such as utility-interactive, grid intertie, and grid back feeding.
A Grid-Tied Panels does not require batteries and other equipment to store energy. Thus, it has lower equipment and installation costs than any other types of solar power system.
Apart from its cost effectiveness, Grid-tied solar systems are also easier to install.
In the event of excess solar energy generated by your panels, your grid tie system uses net metering to place it into the utility grid.
Another advantage of having a grid-tied system includes access to backup power from the utility grid. At the same time, you help to mitigate the utility company’s peak load. As a result, the efficiency of our electrical system as a whole goes up.
WHAT ARE THE GRID-TIED SYSTEMS COMPONENTS?
GRID-TIE INVERTER (GTI)
The Grid-tie inverter regulates voltage and current received from your solar panels. The DC or Direct Current from your panels are converted to AC or Alternating Current. AC is mainly used on electrical appliances.
Grid-tie inverters also have another function, which is to synchronize the phase and frequency of the current to fit the utility grid.
Micro-inverters are found at the back of each solar panel, as opposed to one central inverter that typically takes on the entire solar array. Micro-inverters are quite costly, but they do yield high efficiency rates. Installations with possible shading issues are strongly recommended to use micro-inverters.
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