Communication green base station lightning protection grounding standard specification

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6 FAQs about Communication green base station lightning protection grounding standard specification

Why does a telecommunications site need reliable grounding?

Reliable grounding is important for a telecommunications site for good reference ground, noise control, and dissipation of any lightning energy. Surges in the power and copper based telephone lines can originate from lightning strikes that have struck objects some distance from the actual site, in many cases, even miles away.

Where should earthing and lightning protection systems be installed?

The earthing and lightning protection systems are to be installed indoors and outdoors in electrically exposed locations, less than 1,000 metres above sea-level. The maximum wind (gust) velocity is 50 metres per second. The humidity is high and the atmosphere is often salt-laden.

How should a lightning protection System (RBS) be formed?

The earthing network of an RBS should be formed by a ring loop surrounding the tower, equipment room and fence, at a minimum. The mean radius re of this ring loop should be not less than l1, as indicated in Figure 1 and this value depends on the lightning protection system (LPS) class and on the soil resistivity.

Which grounding conductor is used in telecommunications?

In telecommunications, flat tape conductors are commonly used for grounding. They have a lower inductance and provide a higher capacitive coupling to the ground, resulting in a lower impedance earth system, especially at high frequencies associated with lightning and telecommunications noise.

Can a substation be protected from lightning strikes?

Use of the surrounding topography to assist in lightning protection is permitted. The substation compound equipment and control room shall be protected against damage from lightning strikes. A design, including lighting shielding profile drawings shall be submitted to EirGrid for review with the substation layout drawings.

What is a radio base station (RBS) earthing network?

The most important objective of the radio base station (RBS) earthing network is to minimize the differences in potential between the conductive parts within the RBS site (equipotential bonding), which is beneficial for the safety, lightning protection and electromagnetic compatibility (EMC) performance of the equipment.

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