2. Analysis of permanent three-phase sinusoidal operation
In this paragraph, we restrict ourselves to the case of a two-pole machine with three-phase stator and rotor.
2.1 Steady-state operating equations
Figure 5 a shows a motor consisting of a stator and a rotor. Each carries a three-phase, two-pole winding, in accordance with the rotating field winding design.
The three stator windings are supplied with balanced, direct three-phase voltages u 1 , u 2 , u 3 ; the three rotor windings are star-connected, and short-circuited. We'll assign subscripts "a, b, c"...
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Analysis of permanent three-phase sinusoidal operation
Operating characteristics at constant voltage and frequency
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