【Daily Question】Question from Issue 20150922
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Regarding the inrush current during transformer excitation, which of the following statements is correct? A. The inrush current is caused by a low voltage across the transformer, resulting in a small magnetic flux. B. The inrush current contains a large amount of odd-order harmonics, with the third harmonic being the most significant. C. The inrush current contains a large amount of even-order harmonics, with the second harmonic being the most significant ； 【Production and Management Division】Seeking moderators and technical discussants to join
The answer should be: C. The excitation inrush current of the transformer contains a large amount of even-order harmonics, with the 2nd harmonic being the most significant；
Regarding transformer inrush current, which of the following statements is correct? c
Regarding transformer inrush current, the correct statement is (C)
Regarding the inrush current during transformer excitation, which of the following statements is correct? (C) A. The inrush current is caused by a low voltage across the transformer and thus a small magnetic flux. B. The inrush current contains a large amount of odd-order harmonics, with the third harmonic being the most significant. C. The inrush current contains a large amount of even-order harmonics, with the second harmonic being the most significant；
Regarding the inrush current during transformer excitation, which of the following statements is correct? (C) A. The inrush current is caused by a low voltage across the transformer and thus a small magnetic flux. B. The inrush current contains a large amount of odd-order harmonics, with the third harmonic being the most significant. C. The inrush current contains a large amount of even-order harmonics, with the second harmonic being the most significant；
C. The excitation inrush current of the transformer contains a large amount of even-order harmonics, with the 2nd harmonic being the most significant；
B. The transformer excitation inrush current contains a large amount of odd-order harmonics, with the 3rd harmonic being the most significant. C. The transformer excitation inrush current contains a large amount of even-order harmonics, with the 2nd harmonic being the most significant；