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A 1200V, 6pole, 50Hz, 3-phase star connected induction motor has stator to rotor turns ratio of 3. At standstill, its rotor impedance is (0.4+j8)Ω/phase. What is the gross output of motor at the speed of 960 rpm in kW? [Write the answer upto three decimal Points]
  • a)
    9.3
  • b)
    9.375
Correct answer is between '9.3,9.375'. Can you explain this answer?
Verified Answer
A 1200V, 6pole, 50Hz, 3-phase star connected induction motor has stat...
Stator phase voltage =
Standstill ratar emf, E 2 =
Synchronous speed of mator Ns =
Slip
Er = sE 2 = 0.04 x 230.94 = 9.4238V
Rator impedance at 0.04 slip Zr =
18.04ATotalCu loss
= 31 2R = 3 x 18.042 x 0.4 = 3 9 0 .6 W
arassautputpowerafmatar 1 — s
Grassoutput =
gross output =
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A 1200V, 6pole, 50Hz, 3-phase star connected induction motor has stator to rotor turns ratio of 3. At standstill, its rotor impedance is (0.4+j8)Ω/phase. What is the gross output of motor at the speed of 960 rpm in kW? [Write the answer upto three decimal Points]a)9.3b)9.375Correct answer is between '9.3,9.375'. Can you explain this answer?
Question Description
A 1200V, 6pole, 50Hz, 3-phase star connected induction motor has stator to rotor turns ratio of 3. At standstill, its rotor impedance is (0.4+j8)Ω/phase. What is the gross output of motor at the speed of 960 rpm in kW? [Write the answer upto three decimal Points]a)9.3b)9.375Correct answer is between '9.3,9.375'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about A 1200V, 6pole, 50Hz, 3-phase star connected induction motor has stator to rotor turns ratio of 3. At standstill, its rotor impedance is (0.4+j8)Ω/phase. What is the gross output of motor at the speed of 960 rpm in kW? [Write the answer upto three decimal Points]a)9.3b)9.375Correct answer is between '9.3,9.375'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A 1200V, 6pole, 50Hz, 3-phase star connected induction motor has stator to rotor turns ratio of 3. At standstill, its rotor impedance is (0.4+j8)Ω/phase. What is the gross output of motor at the speed of 960 rpm in kW? [Write the answer upto three decimal Points]a)9.3b)9.375Correct answer is between '9.3,9.375'. Can you explain this answer?.
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