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Grid Tie Solar System
Shakil Ahmed, Md.; Al-Amin, Md.
Date:
2020-10-10
Abstract:
Distribution level solar energy generation has gained importance and popularity, because it helps
create a sustainable electricity system while reducing the harmful environmental impacts our
current power systems have. The simple model has a photo-current source, a single diode junction
and a series resistance, and includes temperature dependences. When settings are right, the grid-
connected PV system supplies the additional power, moreover consumption by the connected load,
to the utility grid. This study proposes an alternative energy source, a laboratory scale grid-
connected photovoltaic system. The control of DC/DC converter is ensured by using perturb and
observe method in order to make photovoltaic panels work at maximum power point (MPP) in all
cases. A grid-tied solar power inverter does DC-to-AC conversion and minimizes energy transfer
losses. The inverter also has an anti-islanding feature, which senses a power outage and prevents
back-feeding through isolating the circuit. The circuit’s breakers isolate electrical components and
protect the circuit.
Description:
The term grid-tied is additionally called grid connected or on-grid. Grid tied solar PV system is an
arrangement of your solar panel association wherever in electricity may be drawn from the
standard utility grid (main line) also as from it implies, if you're putting in grid-connected solar
panel system at home, solar isn't the only source of electricity. It additionally means the house
doesn’t run out of power. Once the solar panels aren’t producing enough electricity, the system
will import the shortage from the grid. During this system, the inverters convert DC generated by
the solar panels to electricity (AC) corresponding to the voltage of the grid power. The electricity
created by the solar system is 1st used to power the house, surplus power that in not consumed
within the home, is automatically exported to the electricity grid via a Bi-directional meter, which
results in reduction of power bill. Suppose, if your solar system produces twenty units in in the
future and if you utilize solely ten units at home, then the balance ten units is distributed to the
state public-service corporation, which ends in savings in your electricity bill. Just in case there's
a power cut, the inverter stops to perform as a safety feature. This method doesn’t have battery
backup therefore during power cut you'll not have access to power. Therefore this method are often
utilized in area wherever there's rare or too much less power cut. Solar energy is an alternate
technology which will hopefully lead us far from our petroleum and gas dependents energy
sources. The main problem with solar panel technology is that the efficiencies for solar energy
systems are still poor and therefore the prices per kilo-watt-hour (kWh) aren't competitive, in most
cases, to vie with petroleum and gas energy sources. We are designed to pure sine wave inverter
for tie grid system. The efficiency indicates the percentage of the obtainable solar energy that is
genuinely convertor and fed into the utility grid. Nowadays inverters presently consume between
4 and 8% the converted energy within the conversion method that corresponds to whole efficiency
of 92 to 96%.
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