A synchronous and synchronous motors are the two main categories of ac motors. The induction motor is a common form of asynchronous motor and is basically an ac transformer with a rotating secondary.

{Editor's note: This article originally appeared as a series of blogs in EE Times. It is replicated here in its entirety for the convenience of the EDN community.} Motors are all around us, and an ...

An introduction to the symmetric, multiphase, wound-rotor “synchronous” doubly-fed motor or generator system, called SYNCHRO-SYM. How SYNCHRO-SYM is only possible with brushless, automatic, ...

A straight line may not be the best path between two or more rotors. • Electric machines with noncoaxial rotors date back to the 19th century, but today’s electronic controls now make them practical. ...

As electric vehicle (EV) technology advances to improve vehicle performance and range, battery technology may be grabbing many of the headlines, but equally important are the electric motors that ...