Q7: Answer the following sentences with True or False only: 1. A three-phase PWM inverter feeding a balanced three-phase load. In the harmonic analysis of the line-voltage waveform, it is found that there is no 3rd and multiples of 3rd harmonics. 2. Sinusoidai PWM is used to reduce high order harmonics at the output waveforms of the inverter. 3. The snubber circuit across a thyristor is used to limit di/dt at turn off. 4. Boost converter is the step-down flyback converter. Buck -Boost com 5. A freewheeling diode is used at the output of a three-phase bridge rectifier to smooth output DC current.

Q7: Answer the following sentences with True or False only: 1. A three-phase PWM inverter feeding a balanced three-phase load. In the harmonic analysis of the line-voltage waveform, it is found that there is no 3rd and multiples of 3rd harmonics. 2. Sinusoidai PWM is used to reduce high order harmonics at the output waveforms of the inverter. 3. The snubber circuit across a thyristor is used to limit di/dt at turn off. 4. Boost converter is the step-down flyback converter. Buck -Boost com 5. A freewheeling diode is used at the output of a three-phase bridge rectifier to smooth output DC current.

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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