Example 5.26. From the phasor diagram of an over-excited salient-pole synchronous motor (i.e. with armature current lead

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Example 5 26 From The Phasor Diagram Of An Over Excited Salient Pole Synchronous Motor I E With Armature Current Lead 1 (51.43 KiB) Viewed 60 times

Example 5.26. From the phasor diagram of an over-excited salient-pole synchronous motor (i.e. with armature current leading the terminal voltage), prove the following relations : Ia (Xa cos 0 + ra sin 8) tan 8 = jĪqXq V₁+Ia (Xq sin 0-ra cos 0) t e and X₂ = V, sin 8-Iara sin (8 + 0) Ia cos (8 + 0) ix where 8 and 8 are load and power-factor angles respectively.