The Role of Earthing in Solar Installations: Exploring Its Importance

Earthing: What It Is and Its Importance in Solar Installations

Solar installations are increasingly finding a way in homes and industries to replace the conventional forms of power. This is an encouraging sign and is a must for the protection of our environment. However, several aspects have to be considered before you proceed to install solar panels. One such feature is earthing. In this blog, you will learn what is earthing in electricity and why it is important to provide for it while installing your solar panel system.

What is earthing?

Earthing, also known as grounding, is a safety mechanism where the discharge of electrical energy is directed to the ground with the help of low-resistance wires.

It is highly essential to protect human lives and electrical equipment from sudden surges of voltage and lightning strikes. 

In the case of solar plants, specific parts of solar equipment are connected to the ground, having no electrical potential. Earth has zero electrical potential, and any stray charges can be easily discharged to it without causing any harm. 

Importance of Earthing in Solar Installation

Benefits of earthing:

Earthing is used for domestic and industrial electrical installations. This is due to the following benefits:

Why do solar installations need earthing?

Before moving into the importance of earthing for solar installations, we will learn the major components used in solar installations. 

The list of components and their connection to electricity imparts the necessity for earthing. Let us discuss the need for earthing going forward:

Types of earthing for solar installations:

The following are some of the types of earthing generally followed:

Pipe earthing:

This is the commonly used method of earthing, where steel pipes are used to connect to the electrical conductors of the earth. Galvanized steel pipes with openings are buried deep into the ground to achieve this earthing.

Mat earthing:

An earth mat made of bare metallic conductors is buried in the soil. Mat earthing joins the horizontal and vertical electrodes.

Plate earthing:

Plate earthing is helpful in preventing static charges and stray current issues. A plate made up of copper or G.I. is buried deep into the ground. This type of earthing protects AC power systems and electronic devices.

Marconite earthing:

Marconite is a grey substance mixed with cement and water to create earthing. This is one of the safest and most efficient earthing systems used in solar installations. Low-resistant copper earth electrodes are used to make marconite earthing, which improves the effect of copper earth electrodes and lowers resistance to earth.

Bottom line:

It is thus evident that earthing is imperative for the safety of solar power plants and the people working around them. Solar panel installation cost is quite high, and if care is not taken to provide proper earthing, the life of the equipment will face severe impact. Consult a solar installation company to guide you on the importance of earthing, and make sure you make provision for the same in your solar power system.

Asked Questions

Earthing is highly imperative to protect equipment, and men working around them from stray current.

Yes, by protecting the components from sudden voltage surges and lightning strikes, earthing improves the longevity of the components.

As per Rule 90 of the Indian Electricity Rules and Safety Procedures mentions that all metal supports and metallic fittings should be permanently and efficiently earthed.

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