The IEEE paper Gill, John, D “ Transfer of Motor Loads between Out-of-Phase Sources” paper IPSD 78-60, presented at the 1978 Industry Applications Society Annual Meeting, Toronto,ON, Canada October 1–5, provides evidence to the danger of using “Open Circuit Transition” in the reduced voltage Autotransformer motor starter apparatus. https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=4503676
