When maintaining a large industrial dry-type transformer used in a unit substation, weekly inspections when the transformer is first installed will indicate how often the unit will have to be taken out of service for maintenance.

Question

Quizplus · Accepted Answer

The frequency of maintenance for a large industrial dry-type transformer is determined by its operational environment, load conditions, and manufacturer's recommendations, not solely by initial weekly inspections. Initial inspections can help identify immediate issues but don't dictate long-term maintenance schedules.

When Maintaining a Large Industrial Dry-Type Transformer Used in a Unit