Singly fed electric machine is a broad term which covers ordinary electric motors and electric generators. Such machines have only one external connection to the windings, and thus are said to be singly fed.1
References
References
- Ceraolo, Massimo & Poli, Davide (Apr 7, 2014). Fundamentals of Electric Power Engineering: From Electromagnetics to Power Systems. John Wiley & Sons. ISBN 978-1118679692.