The typical lightning arrester has a high-voltage terminal and a ground terminal. When a lightning surge (or switching surge, which is very similar) travels along the power line to the arrester, the …

A properly working lightning arrester breaks down quickly when exposed to an abnormal voltage over the rated breakdown value. A “breakdown” refers to the function of the lightning arrester …

Jan 10, 2025 · When a surge or lightning strike occurs, the voltage across the arrester rises. The spark gap conducts, and the non-linear resistor limits the voltage to a safe level. The excess …

Dec 29, 2024 · This article explores the fundamental workings of a lightning arrester, detailing its components, how it functions during a lightning strike, and the different types available.

Jun 17, 2023 · A lightning arrester avoids lightning damage to devices due to high voltage. The lightning arresters offer a low-impedance path to the ground for lightning current.

Lightning arresters play a crucial role in protecting these systems. They are essential components of lightning protection systems. But how do lightning arresters work? They divert high voltage …

Aug 30, 2025 · The arrester isn't designed to "block" lightning, but rather to act as a crucial safety valve. When a dangerous high-voltage surge occurs, it quickly and safely diverts that massive …

It works by providing a low-resistance path for the lightning current to travel to ground, bypassing the equipment and preventing it from experiencing the damaging effects of high voltage surges.

Mar 17, 2024 · A lightning arrester is like a lightning rod on your roof, diverting a direct strike away from your home. A surge arrester, on the other hand, is like a surge protector plugged into …

Aug 26, 2023 · When there's a lightning strike or any event that triggers a voltage surge in the power line, the arrester quickly detects it. In response, the arrester springs into action, forging …