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Q5. A general analysis of the switch-mode inverter shown in the figure below is to be done. The switching frequency f, which is also the frequency of the triangular signal is 1450 Hz. The de voltage, Va, is 600 V. Output voltage is sinusoidal voltage with a frequency equal to 50 Hz. TA ADA. Va TA- ADA- VAN (Figure 8-4 on page 203 from Mohan's Book) a. Find the frequency modulation ratio, mr. b. Why the frequency modulation is chosen as an odd integer? c. Calculate the output voltage (rms value of first harmonic), when the amplitude modulation ratio, m., is equal to 0.8. +

Q5. A general analysis of the switch-mode inverter shown in the figure below is to be done. The switching frequency f, which is also the frequency of the triangular signal is 1450 Hz. The de voltage, Va, is 600 V. Output voltage is sinusoidal voltage with a frequency equal to 50 Hz. TA ADA. Va TA- ADA- VAN (Figure 8-4 on page 203 from Mohan's Book) a. Find the frequency modulation ratio, mr. b. Why the frequency modulation is chosen as an odd integer? c. Calculate the output voltage (rms value of first harmonic), when the amplitude modulation ratio, m., is equal to 0.8. +

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q5. A general analysis of the switch-mode inverter shown in the figure below is to be done. The switching frequency f,, which is also the frequency of the triangular signal is 1450 Hz. The de voltage, Va, is 600 V. Output voltage is sinusoidal voltage with a frequency equal to 50 Hz. TA ADA. TA- ADA- VAN (Figure 8-4 on page 203 from Mohan's Book) a. Find the frequency modulation ratio, mr. b. Why the frequency modulation is chosen as an integer? c. Calculate the output voltage (rms value of first harmonic), when the amplitude modulation ratio, m., is equal to 0.8. d. Compute the rms values of the 5 most dominant harmonics of v4o at m,=0.8. e. Also indicate the frequencies at these harmonics you have found in part d appear.
Transcribed Image Text:Q5. A general analysis of the switch-mode inverter shown in the figure below is to be done. The switching frequency f,, which is also the frequency of the triangular signal is 1450 Hz. The de voltage, Va, is 600 V. Output voltage is sinusoidal voltage with a frequency equal to 50 Hz. TA ADA. TA- ADA- VAN (Figure 8-4 on page 203 from Mohan's Book) a. Find the frequency modulation ratio, mr. b. Why the frequency modulation is chosen as an integer? c. Calculate the output voltage (rms value of first harmonic), when the amplitude modulation ratio, m., is equal to 0.8. d. Compute the rms values of the 5 most dominant harmonics of v4o at m,=0.8. e. Also indicate the frequencies at these harmonics you have found in part d appear.
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