Q. The V curves of a synchronous motor show relationship between dc field current and ac armature current
Solution:
- A V-curve of a synchronous motor shows the relation between armature currents as ordinates and field currents as abscissas when the motor operates with a constant power input at rated terminal voltage.
- V curve is a plot of the stator current versus field current for different constant loads.
- The Graph plotted between the armature current Ia and field current If at no load the curve is obtained known as V Curve.
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