Article | REF: D3485 V1

Asynchronous machines - Schemes of any kind

Author: Michel POLOUJADOFF

Publication date: February 10, 2000

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10. Inverter-powered machine

10.1 Problem definition

We consider an inverter-controlled induction motor with six on/off controllable elements (transistors, GTOs, etc.), placed in antiparallel with a diode. We won't go into detail here, referring the reader to other articles (e.g. [3] and [4] ).

In this case, the equivalent circuit consists of six bidirectional switches, as shown in figure 11 . The inverter is supplied by a DC source, symbolized by two points at potentials E/2 and – E/2 with respect to an unshown ground. The rotor of the machine is short-circuited,...

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