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close this bookElectrical Machines - Basic vocational knowledge (Institut für Berufliche Entwicklung, 144 p.)
close this folder5. Asynchronous motors
close this folder5.3. Operational behaviour
View the document5.3.1. Start
View the document5.3.2. Rating
View the document5.3.3. Speed control
View the document5.3.4. Rotational sense alteration

5.3.4. Rotational sense alteration

Any change in the rotational sense in the case of an asynchronous motor can be attained by changing the rotational direction of the rotating field by exchanging any two external conductors in accordance with Figure 57.


Figure 57 - Rotational sense change

L... conductor U; V; W winding connections (terminal board)