What are the limitations of flux control method of DC motor
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By varying the armature circuit resistance, the current and flux both are affected. The voltage drop in the variable resistance reduces the applied voltage to the armature, and as a result, the speed of the motor is reduced
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By varying the armature circuit resistance, the current and flux both are affected. The voltage drop in the variable resistance reduces the applied voltage to the armature, and as a result, the speedof the motor is reduced. The speed–current characteristic of a series motor is shown in the figure below.
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