A 25-kW, 230-V shunt motor has an armature resistance of 0.11 and a field resistance of 117.
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A 25-kW, 230-V shunt motor has an armature resistance of 0.11Ω and a field resistance of 117Ω. At no load and rated voltage, the speed is 2150 r/min and the armature current is 6.35 A. At full load and rated voltage, the armature current is 115 A and, because of armature reaction, the flux is 6 percent less than its no-load value. What is the full-load speed?
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At no load Eanl 230 635 x 0...View the full answer
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