Q33-Q37 refer to the table below: The line currents in a balanced 60 Hz, 4-wire system has the following harmonic content: Harmonic Number rms value 1 625.8 A 3 40.1 A 5 15.7 A 7 8.3 A Q33. The rms value of the harmonics only is: (a) 625.8 A (b) 64.10 A (c) 43.86 A (d) 21.37 A Q34. The rms value of the distorted waveform is: (a) 669.7 A (b) 627.3 A (c) 625.8 A (d) 581.9 A Q35. The %THD of the distorted waveform is: (a) 10.24% (b) 9.57% (c) 7.01% (d) 6.91%
Q33-Q37 refer to the table below: The line currents in a balanced 60 Hz, 4-wire system has the following harmonic content: Harmonic Number rms value 1 625.8 A 3 40.1 A 5 15.7 A 7 8.3 A Q33. The rms value of the harmonics only is: (a) 625.8 A (b) 64.10 A (c) 43.86 A (d) 21.37 A Q34. The rms value of the distorted waveform is: (a) 669.7 A (b) 627.3 A (c) 625.8 A (d) 581.9 A Q35. The %THD of the distorted waveform is: (a) 10.24% (b) 9.57% (c) 7.01% (d) 6.91%
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...
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![Q33-Q37 refer to the table below:
The line currents in a balanced 60 Hz, 4-wire system has the following harmonic content:
Harmonic Number
rms value
1
625.8 A
3
40.1 A
5
15.7 A
7
8.3 A
Q33. The rms value of the harmonics only is:
(a)
625.8 A
(b)
64.10 A
(c)
43.86 A
(d)
21.37 A
Q34. The rms value of the distorted waveform is:
(a)
669.7 A
(b)
627.3 A
(c)
625.8 A
(d)
581.9 A
Q35. The %THD of the distorted waveform is:
(a)
10.24%
(b)
9.57%
(c)
7.01%
(d)
6.91%
Q36. The neutral current is:
(a)
120.3 A at 60 Hz
(b)
120.3 A at 180 Hz
(c)
40.1 A at 60 Hz
(d)
40.1A at 180 Hz
Q37. What are the phase sequences of the 3rd, 5th and 7th harmonics?
(a)
zero, negative and negative sequences, respectively
zero, negative and positive sequences, respectively
(b)
(c)
zero, positive and negative sequences, respectively
zero, positive and positive sequences, respectively
(d)
10](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F98f539f2-d18b-4592-b6df-b0290b33836b%2Fc94af912-54b7-4a7a-8ac4-05d9f26d59f4%2Fjyvy4n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q33-Q37 refer to the table below:
The line currents in a balanced 60 Hz, 4-wire system has the following harmonic content:
Harmonic Number
rms value
1
625.8 A
3
40.1 A
5
15.7 A
7
8.3 A
Q33. The rms value of the harmonics only is:
(a)
625.8 A
(b)
64.10 A
(c)
43.86 A
(d)
21.37 A
Q34. The rms value of the distorted waveform is:
(a)
669.7 A
(b)
627.3 A
(c)
625.8 A
(d)
581.9 A
Q35. The %THD of the distorted waveform is:
(a)
10.24%
(b)
9.57%
(c)
7.01%
(d)
6.91%
Q36. The neutral current is:
(a)
120.3 A at 60 Hz
(b)
120.3 A at 180 Hz
(c)
40.1 A at 60 Hz
(d)
40.1A at 180 Hz
Q37. What are the phase sequences of the 3rd, 5th and 7th harmonics?
(a)
zero, negative and negative sequences, respectively
zero, negative and positive sequences, respectively
(b)
(c)
zero, positive and negative sequences, respectively
zero, positive and positive sequences, respectively
(d)
10
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