2. Magnetic circuit
2.1 Role
The torque C developed in an electric machine is proportional to the product of the magnetic flux Φ and the induced current I; it is expressed by the relation :
There are therefore two main components in the active part of a machine:
a set of conductors to carry the currents;
-
a magnetic circuit whose main functions are :
the channelling of magnetic induction lines,
maintaining drivers,
heat conduction from conductors to cooling zones (ventilation ducts, air gap)....
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Magnetic circuit
Windings
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"Conversion of electrical energy"
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