For large power transformers, self oil cooled type or air blast type which of th

MCQ Practice

For large power transformers, self oil cooled type or air blast type which of the following values of current density may be used?

Subject: Electrical EngineeringTopic: Electrical Machine Design

1.0 to 1.2 A/mm 2

1.5 to 2.0 A/mm 2

2.2 to 3.2 A/mm 2

3.2 to 4.2 A/mm 2

Correct Answer: C