Solar
Inverter:
A solar inverter is a device that converts the DC electricity received from your
solar panels into a form of electricity that can be used by appliances and
other electronics in your home. Let's understand how it works and the different
types of inverter available for solar panels.
During the day when the sun shines
on the solar panels installed in your homes, electrons within the solar cells start
to move around which produces DC energy. The energy then goes straight into the inverter which converts it into AC energy which is the standard electrical
current used to power appliances at home.
Now we know how the solar inverter works.
Kinds
and their Functions:
Let's
look at the various kinds and their functions. There are three co-types of the solar inverter which is: grid-tie inverters, off-grid inverters, and hybrid
inverters.
Grid
Tie inverters: Grid-tie inverters are used with the
solar PV system that is integrally connected to the utility grid power. They
must connect to the grid to function the electricity produced by the solar
system which is not consumed in the property is automatically injected into the
grid via a bi-directional meter. In case of the power is cut, the inverter stops
to function as a safety feature which is known as anti-eye landing. This system
doesn't have a battery backup. So during a power cut, you will not have access to
power. Hence this system can be used in areas where there are rare or very few
power cuts. It can alternatively be used if you have a normal inverter battery
system at home for power backup during the power cut off.
Off-Grid
inverters: Off-Grid inverters on the other hand
work just like the normal inverters used at home. In this system, DC power
generated by a solar panel is used to charge the solar battery. When there is a power cut, the inverter will draw stowed energy from the battery converting DC power
from the battery to usable AC power for running electrical appliances. This
system can be used in areas where there is a frequent or long power cut.
Hybrid
inverter: Combining the capabilities of both grid-tied and off-grid inverters into one, a hybrid inverter system can be used in both high power cut
areas or areas where there is a rare or very little power cut. Under
normal operating conditions, it can supply power to the home,
charge the batteries and excess power can be fed into the grid.
In case of a power cut, the unit
will automatically switch over to battery supply and continue to operate
independently from the electricity grid.
I hope that this article will cover
the topic of inverters.
Stay tuned.
Bye.
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