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Solar Photovoltaic Street Lighting Systems

2021-11-18 14:36:05

Solar photovoltaic street lighting system is a photovoltaic lighting system for solar street lights that work on photovoltaic cells or batteries, this solar street light system will convert sunlight or solar energy into electricity.  

 

Types of solar PV systems

 

We all know PV systems are widely being used for solar applications over the past few years, and nowadays the scope of solar photovoltaic (PV) systems has grown exponentially. There are three main types of solar energy and photovoltaic systems: grid-tied (on-grid system), hybrid system and off-grid system.

 

The grid-tied solar PV system is one of the solar systems that is connected to the electrical power grid permanently. As in the case of off-grid solar systems, grid-tie does not need batteries. Grid-tie solar PV systems allow to use of solar energy when available or to transmit excess power back into the grid.

 

The hybrid solar PV system is also known as a grid-tied solar PV system with battery backup. The hybrid solar PV system is a most helpful solar system if you live in a district where the electrical grid is unreliable, an area that takes a long time to repair to the grid, or the extreme weather events are common. Moreover, it provides a hybrid of the benefits of grid-tie solar, for example, using clean and renewable solar power as the primary source of electricity and selling excess power to the utility through net metering.

 

An off-grid solar PV system refers to an installation that does not connect to the electricity grid. It means all the energy produced is stored and used on site. Generally, off-grid solar photovoltaic systems operate from the energy stored in a battery bank.

 

How does the solar PV street lighting system work?

 

You may notice a dark panel on top of the light when you see a solar street light on the road. That is the solar panel of the photovoltaic cells that will convert sunlight into electricity. And the electricity will be stored in the solar light batteries. Then the solar power can be used as and when needed. The solar lighting batteries will charge themselves continuously while the solar panel is being exposed to available sunlight. Inbuilt battery solar street light, as the batteries are inbuilt into the solar lighting systems, so the solar street lights are capable of drawing light from them. Solar street lighting systems are always wireless, there is no need to be attached to wires, for power transmission.

Solar Photovoltaic Street Lighting Systems 1

 

Types of PV solar panels

 

PV solar panels play the important role in solar products, they capture the sun’s energy and convert it into electricity so that the solar products can work. There are three main types of PV solar panels are monocrystalline, polycrystalline, and thin-film solar panels. Each of these PV solar panels is made in a unique way and has a different aesthetic appearance.

 

Monocrystalline solar panels

When people mention monocrystalline solar panels, generally they are known as used for premium solar products. The main advantages of monocrystalline panels are higher efficiencies and sleeker aesthetics than the other solar panels. Monocrystalline solar panels are made from about 40 of the monocrystalline solar cells. These solar cells are made from pure silicon. Silicon is formed into bars and cut into wafers, in order to make solar panels with monocrystalline solar cells. These solar panels are called “monocrystalline” to indicate that the silicon used is single-crystal silicon. As a monocrystalline cell is made up of a single crystal, the electrons that generate a flow of electricity have more room to move. Therefore, monocrystalline solar panels are more efficient.

 

Polycrystalline solar panels

As the same as monocrystalline solar panels, polycrystalline solar panels are also made from silicon. However polycrystalline cells are made from fragments of the silicon crystal melted together. Polycrystalline solar cells are called “multi-crystalline”, or many-crystal silicon. There is less freedom for the electrons to move because polycrystalline solar cells are many crystals in each cell. As a result, polycrystalline solar cells have lower efficiency ratings, but their advantage is a lower price point. Nowadays, polycrystalline solar panels are rising quickly in popularity and efficiency, even though they are a newer development.

 

Thin-Film Solar Panels

Thin-film solar panels aren’t always made from silicon, they can be made from a variety of materials, such as cadmium telluride, amorphous silicon, and copper indium gallium selenide, this is the most distinguishing feature of thin-film panels. Thin-film solar panels are the newest development in the solar panel industry now.

 

Benefits of solar photovoltaic street lighting systems

1. Solar PV lighting system provides clean and green energy sources. There is no need to worry about the panels generating any harmful substance into the air.

2. There is no need to pay for raw materials, as solar PV system depends on solar energy to produce electricity. Solar power is natural, free, and available in abundance for a long time. People can save on electricity costs once start using the energy generated by PV cells.

3. Solar PV systems can generate electricity anywhere. All it needs is sunlight, making it a useful energy source in the outdoor environment.

4. Solar PV system has an important role in smart energy networks, which work on distributed power generation. It is very environmentally friendly because it helps reduce the production of electricity at centralized power plants.

5. Solar PV systems reduce costs, they are also a renewable energy system promoted through government subsidy funding.

6. Compared with other renewable energy systems, solar PV systems are known for low maintenance and operating costs.

7. Because solar PV systems are silent and won’t produce any noise, they are perfect for urban areas and residential applications.

8. Solar PV systems are easy to install.

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