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Progresses obtained in command and power electronics have increased the technical and economic performances of brushless direct current motors. Consequently, the problem of optimum design and operation of these motors, frequently used for driving small vehicles, is a very present one. Studies presented in literature show that high oscillations of torque occur in these motors in a complete rotation...
This study considered different constructive variants of brushless direct current motors which have the same rated data, constructive dimensions and electromagnetic stresses. The motors differ by their number of poles and slots. The analysis aimed at torque value, low torque oscillations and energetic efficiency. There has been identified the optimum constructive variant which has 2p=40 poles and...
Interest paid lately to brushless direct current motors made the researches regarding the optimum design and construction of these motors to be very present. The study carried out, by the simulations we presented, shows that these motors have high torque oscillations in a complete rotation. There are identified the slots which create high torques, respectively low torques, in a complete rotation,...
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