11. |
8th harmonic is negative sequence harmonic.
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Answer:
Option (a) |
12. |
12th harmonic is _________
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Answer:
Option (b) |
13. |
Does the magnitude of phase shift angle change the phase sequence order of the harmonic?
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Answer:
Option (b) |
14. |
The RMS value of the third harmonic current in a nonlinear load is 20 A, the RMS value of the fifth harmonic current is 15 A, and the RMS value of the fundamental is 60 A. Then, the individual third harmonic distortion is
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Answer:
Option (c) |
15. |
What is total harmonic distortion of a voltage waveform with the Fundamental harmonic frequency voltage =114 V, third harmonic frequency voltage = 4 V, fifth harmonic frequency voltage = 2 V, seventh harmonic frequency voltage = 1.5 V and ninth harmonic frequency voltage = 1 V ?
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Answer:
Option (a) |
16. |
The __________________ indicates the contribution of each harmonic frequency to the distorted waveform, and the ___________________ describes the net deviation due to all the harmonics
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Answer:
Option (b) |
17. |
Which harmonics are easy to eliminate from the system?
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Answer:
Option (d) |
18. |
Determine the k rating of a transformer required to carry a load consisting of 500 A of fundamental, 200 A of third harmonics, 120 A of fifth harmonics, and 90 A of seventh harmonics
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Answer:
Option (a) |
19. |
In theory, the neutral current can be as high as ______% of the phase currents
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Answer:
Option (d) |
20. |
Two of the more prominent harmonics found in a typical power system are
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Answer:
Option (b) |