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The figure shows the per-phase representation of a phase-shifting transformer connected between buses 1 and 2, where α is a complex number with non-zero real and imaginary parts.

For the given circuit Ybus and Zbus are bus admittance matrix and bus impedance matrix respectively, each of size 2 × 2. Which one of the following statements is true?
  • a)
    Both Ybus and Zbus are symmetric
  • b)
    Ybus is symmetric and Zbus is unsymmetric
  • c)
    Ybus is unsymmetric and Zbus is symmetric
  • d)
    Both Ybus and Zbus are unsymmetric
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The figure shows the per-phase representation of a phase-shifting tran...


T - parameter matrix,

Since A ≠ D, the network is asymmetric and hence Ybus and Zbus will also be asymmetric.
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Community Answer
The figure shows the per-phase representation of a phase-shifting tran...


T - parameter matrix,

Since A ≠ D, the network is asymmetric and hence Ybus and Zbus will also be asymmetric.
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The figure shows the per-phase representation of a phase-shifting transformer connected between buses 1 and 2, where α is a complex number with non-zero real and imaginary parts.For the given circuit Ybus and Zbus are bus admittance matrix and bus impedance matrix respectively, each of size 2 × 2. Which one of the following statements is true?a)Both Ybus and Zbus are symmetricb)Ybus is symmetric and Zbus is unsymmetricc)Ybus is unsymmetric and Zbus is symmetricd)Both Ybus and Zbus are unsymmetricCorrect answer is option 'D'. Can you explain this answer?
Question Description
The figure shows the per-phase representation of a phase-shifting transformer connected between buses 1 and 2, where α is a complex number with non-zero real and imaginary parts.For the given circuit Ybus and Zbus are bus admittance matrix and bus impedance matrix respectively, each of size 2 × 2. Which one of the following statements is true?a)Both Ybus and Zbus are symmetricb)Ybus is symmetric and Zbus is unsymmetricc)Ybus is unsymmetric and Zbus is symmetricd)Both Ybus and Zbus are unsymmetricCorrect answer is option 'D'. 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 The figure shows the per-phase representation of a phase-shifting transformer connected between buses 1 and 2, where α is a complex number with non-zero real and imaginary parts.For the given circuit Ybus and Zbus are bus admittance matrix and bus impedance matrix respectively, each of size 2 × 2. Which one of the following statements is true?a)Both Ybus and Zbus are symmetricb)Ybus is symmetric and Zbus is unsymmetricc)Ybus is unsymmetric and Zbus is symmetricd)Both Ybus and Zbus are unsymmetricCorrect answer is option 'D'. 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 The figure shows the per-phase representation of a phase-shifting transformer connected between buses 1 and 2, where α is a complex number with non-zero real and imaginary parts.For the given circuit Ybus and Zbus are bus admittance matrix and bus impedance matrix respectively, each of size 2 × 2. Which one of the following statements is true?a)Both Ybus and Zbus are symmetricb)Ybus is symmetric and Zbus is unsymmetricc)Ybus is unsymmetric and Zbus is symmetricd)Both Ybus and Zbus are unsymmetricCorrect answer is option 'D'. Can you explain this answer?.
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