V Curves - | Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail |

Chapter: Electrical Engineering and Instrumentation - Induction Machines and Synchronous Machines

V Curves

The curve which is drawn between armature current and field is called V-curves which are shown in Figure 3.20.

V Curves

The curve which is drawn between armature current and field is called V-curves which are shown in Figure 3.20.



In general, over excitation will cause the synchronous motor to operate at a leading power factor, while under excitation will cause the motor to operate at a lagging power factor. The synchronous motor thus possesses a variable-power factor characteristic.

 

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