Chapter 12, Problem 1RQ

What is the primary consideration for personnel performing transformer maintenance?

To determine

The primary consideration for personnel performing transformer maintenance.

Explanation of Solution

The primary consideration for personnel performing transformer maintenance are as mentioned below.

• The transformer is checked whether it is energized or disenerzied.
• Prepare a written switching process of each step for de-energizing the connections.
• Check all the connections exposed to power supply.
• Use of proper instruments of high voltage rating.
• The atmosphere of transformer tank is checked before entering into the tank for maintenance.
• The gloves and shoes used by personnel must be of good insulation rating.