How Solar Panel Cells Work🔥🔥 Benefits of Solar Energy

What is a solar panel and how does it work? how electricity is generated in a solar system, the benefits of solar panels?

What is a solar panel?

When a large panel is made up of many small solar cells, that panel is called a solar panel.

What is a solar cell?

If the sunlight falls on the solar panel, the solar cell takes energy from the sun and converts that energy into electrical energy.

How does a solar cell work?

Solar cells are made of silicon. Silicon is a semiconductor.

How Solar Panel Cells Work, Benefits of Solar Energy

Semiconductor means - the substance whose electrical properties lie between the conductor and the insulator. Germanium and silicon are the most popular examples of these substances.

The electrical conductivity of a semiconductor increases with increasing heat, which is why the resistance coefficient of the semiconductor is negative.

Many other useful properties are also seen in semiconductors, such as the flow of current in one direction more easily than in the other direction i.e. different conductivity in different directions.
In addition, the conductivity of semiconductors can be reduced or increased by adding a controlled amount.

How does solar panel work?

We told you that solar panels are made of small silicon solar cells. When sunlight passes over this silicon solar cell, electrons flow inside the silicon cell. And it produces electron current.

How does solar panel cell work?

There are two types of solar panels.
Mono crystalline and poly crystalline

Mono crystalline solar panels - where sufficient amount of sunlight is not available. Like - in mountainous areas because there can be clouds all the time. Mono-crystalline solar panels give us electric energy even in low sunlight.

Poly crystalline solar panels - in sunny areas. Poly crystalline solar panels provide lower efficiency than mono solar panels, due to which poly-crystalline panels are cheaper than mono panels.

After connecting several solar panels, all these solar panels are connected to the solar tracking system. Solar tracking system is a very important part of any solar plant. So that the solar panel is always facing sunlight.

We all know that the sun rises from the east and sets in the west. The function of the solar tracking system is to rotate the solar panel towards the sun's rays. So that the sunlight can fall directly on the solar panel.

How does the solar system work?

First, solar panels are installed in our plant, they are all connected to solar tracking systems (STS).

Why is the Buck Boost Converter implemented?

Buck Boost Converter - The function of Buck Boost Converter is to convert DC supply from solar panel to DC. Connects DC power to the booster converter from the DC bus bar. Finally, DC bus bars are connected to a battery or inverter.

In solar plants ranging from 1MW to 5MW, one would have seen one using a battery. But batteries are not used in solar plants above 5MW.

Inverter - works to convert DC supply from solar panel to AC current. We connect the AC supply from the inverter to the transformer.

Benefits of solar energy

  • Do not harm the environment in any way.
  • Solar plants do not require much maintenance. Just have to remove dust from the panel from time to time.
  • With this help, we can reduce our electricity bill significantly.
  • With its help, electricity can be generated anywhere easily.
  • Solar panels can be easily installed at home.

Cons of solar energy

  • The cost of setting up a solar plant is very high in the early times. Which includes solar panels, batteries, inverter and some expenses. By the way, the government helps a little through subsidies.
  • Solar plants require more space for installation.
  • This energy is completely dependent on the weather. We get very little electricity during rain or when it is cloudy.
  • Solar cannot get electricity at night time.
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