Cascade converter

A cascade converter is a type of motor-generator which was patented in 1902 by J. L. la Cour and O. S. Bragstad. A cascade converter is a type of motor-generator which was patented in 1902 by J. L. la Cour and O. S. Bragstad. It consists of an induction motor driving a dynamo through a shaft. In addition, the rotor of the induction motor is electrically connected to the armature of the dynamo.