The value of 0° may he calculated from the vectordiagram of the machine as follows. The assumption has beenmade that the machine is carrying full load current at unitypower factor. The vector F will then he displaced as shownby angle 0Q which, when the machine is released by the loadbeing thrown… … F~ 1 <% C-) r~ <£. I Zof 7~/3 - / 2 -3 00 — 600 - 2 30 o KCJtnity F^orvcr- /=~<s9g.-/-o, - 32 - In Fig. 12, E ■ terminal E. M. P. Terminal E - 2300 volte All values stated in per cent. E + I R 2400 - 1910 6600~ Terminal E %Load Therefore II R, givenA x fromI x n from saturation curve…
Electric machinery, Synchronous · Electric motors, Synchronous · Theses
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