This document discusses the equivalent circuit of single and three phase transformers, including transformer losses from magnetic flux and core losses. It also covers the effect that different loads have on the secondary winding of a transformer.

1. Single and Three Phase
Transformers
Learning Outcome 2

2. Read chapter 14.4 of Jenneson

3. The equivalent circuit of a
transformer

4. The equivalent circuit of a
transformer

5. The equivalent circuit of a
transformer

6. Transformer Losses

7. Magnetic Flux

8. Core Losses

9. The effect of load on the
secondary winding