how to connect three single phase transformers?

To connect three single-phase transformers, you can configure them in either a delta or wye (star) arrangement, depending on your application. In a delta connection, each transformer is connected end-to-end, forming a closed loop, while in a wye connection, one terminal of each transformer connects to a common neutral point. Ensure that the transformers have the same voltage ratings and are properly phased to avoid issues. Always follow safety protocols and local electrical codes during installation.