Transformers I - Lessons 3,4 (Do the best you can with Lesson 4, many of the "real-world" pictures are difficult to follow)

Read Chapter 4 - Starting at "Three-Phase Circuits" on page 76 through page 91. There will be a quiz on the reading. Use your resources, I think the reading, my lecture, and other resources (Google) should be used for you to get a really good understanding of three-phase systems