Three Phase Power Distribution: Delta Configuration

In this detailed explanation, we dive into Delta connected three-phase transformer banks, which supply three-phase 240V power to communities. Discover how these transformers work, their primary and secondary connections, and their specific configurations like the Delta and Wye setups. Learn about the creation of single-phase 120 and 240 volts from these transformer banks and understand the reasoning behind various voltages and their applications in today's electrical grid. This video is an excellent follow-up to our previous video of single-phase transformers and provides valuable insights for electric distribution designers, planners and engineers. 00:00 Introduction to Delta Connected Transformers 00:34 Single Phase Transformer Recap 01:08 Creating a Three-Phase Transformer Bank 01:37 Understanding Primary System Connections 02:42 Primary Delta Connection Explained 06:02 Secondary Delta Connection Setup 09:21 Voltage Potentials and Phasor Diagrams 12:03 Practical Applications and Load Balancing 16:17 Conclusion and Next Steps