1984•Railway gazette internationalRequires access

ASYNCHRONOUS TRACTION MOTORS WILL MEET THE SYNCHRONOUS CHALLENGE

Wallace F. Powers

Abstract

More and more three-phase traction motors are appearing, with benefits that are evident. Less obvious is the balance of advantage between synchronous and asynchronous motors, and the various types of power converter needed to drive them. The ability to dispense altogether with brushes will probably be the decisive factor enabling the squirrel-cage induction motor to fight off the synchronous challenge represented by the French BB10004 prototype.

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Key concepts: Induction motor, Asynchronous communication, Traction motor, Traction (geology), Synchronous motor, Squirrel-cage rotor, Brushed DC electric motor, Engineering