A three-phase,6-pole,220-volt,60-cycle wound-rotor induction motor Is tested with the rotor circuit open. With full voltage applied to the stator, and the rotor at standstill, the voltage between slip rings is 150 volts. Determine rotor voltage and frequency at (A) Synchronous speed, and (B) 1250 RPM.
A three-phase,6-pole,220-volt,60-cycle wound-rotor induction motor Is tested with the rotor circuit open. With full voltage applied to the stator, and the rotor at standstill, the voltage between slip rings is 150 volts. Determine rotor voltage and frequency at (A) Synchronous speed, and (B) 1250 RPM.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
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DEGREE: BS ELECTRICAL ENGINEERING
COURSE: AC MACHINES
Note: Please solve in this way. Given>Missing>Illustration>Solution>FinalAnswer. Please include symbols, units, formulas, step by step solution, please don't cut the solution. Thank you!
(#12) A three-phase,6-pole,220-volt,60-cycle wound-rotor induction motor Is tested with the rotor circuit open. With full voltage
applied to the stator, and the rotor at standstill, the voltage between slip rings is 150 volts. Determine rotor voltage and frequency at
(A) Synchronous speed, and
(B) 1250 RPM.
[Answer: 0,0,6.25V,2.5 Hz]
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