A 4-pole,3-phase, y-connected induction motor has 48 stator slots 8 series conductors per slot and coil pitch of 83.3 percent. [For C Only] The rotor of has 36 slots with 4 series conductors per slot. The' winding is Y-connected with a pítch of 77.7%. (A) Determine the pitch and distribution factors. [Answer: 0.966 and 0.958] (B) Determine the maximum flux per'pole when connected to a' 220-volt,60-cycle line, neglecting local resistance and reactance drops. [Answer: 805,000 maxwells] (C) Determine the ratio of transformation of the motor [Answer: 2.74]
DEGREE: BS ELECTRICAL ENGINEERING
COURSE: AC MACHINES
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(#1011) A 4-pole,3-phase, y-connected induction motor has 48 stator slots 8 series conductors per slot and coil pitch of 83.3 percent. [For C Only] The rotor of has 36 slots with 4 series conductors per slot. The' winding is Y-connected with a pítch of 77.7%.
(A) Determine the pitch and distribution factors.
[Answer: 0.966 and 0.958]
(B) Determine the maximum flux per'pole when connected to a' 220-volt,60-cycle line, neglecting local resistance and reactance drops.
[Answer: 805,000 maxwells]
(C) Determine the ratio of transformation of the motor
[Answer: 2.74]
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