Transformers III – Connections

The objectives of this course are to help you understand how to apply distribution transformers in both single-phase and three-phase applications. After completing this course you will: Understand how to apply a single-phase transformer in a single-phase application. Understand how to apply a single-phase transformer in a three-phase application. Understand the application issues for delta-delta delta-wye wye-delta and wye-wye transformer banks. Understand the special considerations when applying open wye- open delta and open delta- open delta banks. Understand when a wye-zig zag or a Scott T transformer bank might be used. Know how to calculate the available fault current at the secondary of a distribution transformer.