Auto Transformers in University Test Labs- A Guide to System Integration

https://voltage-tapping-journal.lucialpiazzale.com/open-delta-transformers-for-site-backup-networks-what-to-know-about-panel-layout

Auto Transformers in University Test Labs: A Guide to System Integration Small power issues are easy to miss until a line is under stress. In university test labs, test gear and sensitive loads may need stable, well documented power