What is the role of a surge arrester in switchgear?
Practice Questions
Q1
What is the role of a surge arrester in switchgear?
To regulate voltage
To protect against voltage spikes
To measure current
To provide reactive power support
Questions & Step-by-Step Solutions
What is the role of a surge arrester in switchgear?
Step 1: Understand that electrical equipment can be damaged by sudden increases in voltage, known as voltage spikes.
Step 2: Recognize that these voltage spikes can be caused by natural events like lightning or by human activities like switching operations in the electrical system.
Step 3: Learn that a surge arrester is a device designed to protect electrical equipment from these harmful voltage spikes.
Step 4: Know that when a voltage spike occurs, the surge arrester diverts the excess voltage away from the equipment, preventing damage.
Step 5: Conclude that the main role of a surge arrester in switchgear is to ensure the safety and longevity of electrical equipment by managing voltage spikes.
