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A synchronous motor has 1000 KW, 3ϕ, Y connected 3.3 KV, 28 poles, 50 Hz. synchronous reactance of 4.20 Ω/ph. Its field excitation is adjusted to result in unity P.F operation at rated load. Compute the maximum power that the motor can deliver with its excitation remaining constant at this value.
  • a)
    2748.41 KW
  • b)
    2678.41 KW
  • c)
    2778.41 KW
  • d)
    2578.41 KW
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A synchronous motor has 1000 KW, 3ϕ, Y connected 3.3 KV, 28 poles...
Excitation emf, E = 1905∠0° - j175 ∠0 × 4.20
= 1905 – j735 = 2041.88 V
= 2778.41 KW
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A synchronous motor has 1000 KW, 3ϕ, Y connected 3.3 KV, 28 poles, 50 Hz. synchronous reactance of 4.20 Ω/ph. Its field excitation is adjusted to result in unity P.F operation at rated load. Compute the maximum power that the motor can deliver with its excitation remaining constant at this value.a)2748.41 KWb)2678.41 KWc)2778.41 KWd)2578.41 KWCorrect answer is option 'C'. Can you explain this answer?
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A synchronous motor has 1000 KW, 3ϕ, Y connected 3.3 KV, 28 poles, 50 Hz. synchronous reactance of 4.20 Ω/ph. Its field excitation is adjusted to result in unity P.F operation at rated load. Compute the maximum power that the motor can deliver with its excitation remaining constant at this value.a)2748.41 KWb)2678.41 KWc)2778.41 KWd)2578.41 KWCorrect answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about A synchronous motor has 1000 KW, 3ϕ, Y connected 3.3 KV, 28 poles, 50 Hz. synchronous reactance of 4.20 Ω/ph. Its field excitation is adjusted to result in unity P.F operation at rated load. Compute the maximum power that the motor can deliver with its excitation remaining constant at this value.a)2748.41 KWb)2678.41 KWc)2778.41 KWd)2578.41 KWCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A synchronous motor has 1000 KW, 3ϕ, Y connected 3.3 KV, 28 poles, 50 Hz. synchronous reactance of 4.20 Ω/ph. Its field excitation is adjusted to result in unity P.F operation at rated load. Compute the maximum power that the motor can deliver with its excitation remaining constant at this value.a)2748.41 KWb)2678.41 KWc)2778.41 KWd)2578.41 KWCorrect answer is option 'C'. Can you explain this answer?.
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