Friday, 19 July 2013

Animated phasor diagrams of a synchronous motor (Power-angle curve)


The steady-state characteristics of a synchronous motor represented by phasor diagrams are shown as function of the load P with the excitation voltage E kept constant. The power expression is P = I V cos(φ) = E V sin(δ) / X. The basic phasor equation is V = E + jX I. The locus of E is a portion of a circle of radius E centered at the origin of the complex plane.The locus of I is also a circle of radius E/X centered on the imaginary axis at –V/X. The power P versus the torque angle δ is also plotted.

1 comment:

  1. Great Article
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