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[[File:Cascade Converter Image from page 300 of "The Street railway journal" (1884).jpg|thumb]]
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 (electric)|rotor]] of the induction motor is electrically connected to the [[armature (electrical engineering)|armature]] of the dynamo.

When the machine is running, half the power is transmitted mechanically through the shaft while the other half is transmitted electrically.  

The advantage of this arrangement is that the machine can be smaller than a conventional motor-generator of the same power.

The [[United Kingdom|British]] manufacturing rights for the cascade converter were held by [[Bruce Peebles & Co. Ltd.]] of [[Edinburgh]].{{Citation needed|date=February 2023}}

==Sources==
* ''The Electrical Year Book 1937,'' published by Emmott and Company Limited, Manchester, England, pp 105-106

== See also ==
* [[Rotary converter]]
* [[Rotary phase converter]]

[[Category:Electric power systems components]]
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