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quiz9b - April 3 2002 EE 381/f Quiz 9 Name ‘ Last F“ 1...

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Unformatted text preview: April 3, 2002 EE 381 \/f; Quiz 9 Name: ‘ Last F“ 1. A 208 V, 60 Hz 4 pole, Y-connected, 3-phase induction motor has negligible stator impedance, and a stand_____s_t___ill rotor impedance in stator terms ofO. 151 + jO. 67 ohms per phase. 13611611111116.” 5!, and Tam. What IS the starting torque of the motox’? 2. If in Question 1, Td am is to occur at starting, determine the magnitude of the extemal resistance needed per phase to accomplish this. .Klrw .m .15“) ‘ *3// We new? '3'" '3’ -_ B‘- / c v wk ,j/‘;\% 55: (’- fl2x X7. : '59 ...
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