Compute i) excitation e.m.f. ii) Synchronus power coefficient in watts per electrical degrees iii) Synchronus power coefficient in watts per mechanical degrees .Neglect armature resistance

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written 8.4 years ago by

sahaishani07 • 0

modified 4.2 years ago by

phenjoisilab • 0

A 3 phase star connected 11KV 12 pole 50HZ synchronous motor has d-axis and q-axis reactance as 5Ω and 3Ω per phase respectively. At certain load he motor draws 20MW at unity power factor. Compute

i) excitation e.m.f.

ii) Synchronus power coefficient in watts per electrical degrees

iii) Synchronus power coefficient in watts per mechanical degrees .Neglect armature resistance.

electrical machines

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