Three Phase Motor Drive Using Space Vector Pulse Width Modulation Technique


EOI: 10.11242/viva-tech.01.04.120

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Citation

Vishnu Shivnekar, Vighnesh Solanki, Brijesh Vishwakarma, Rahul Abhyankar, "Three Phase Motor Drive Using Space Vector Pulse Width Modulation Technique", VIVA-IJRI Volume 1, Issue 4, Article 120, pp. 1-6, 2021. Published by Computer Engineering Department, VIVA Institute of Technology, Virar, India.

Abstract

The main theme of the paper is that we are driving the motor at different speed by PWM technique as by doing that we can easily control the motor speed for different loads.AC loads requires variable voltage and variable frequency. These requirements are fulfilled by a voltage source inverter. A variable output voltage can be achieved by varying the input dc voltage and keeping the gain of the inverter constant. On the other hand, if the dc input voltage is fixed and itis not controllable, a variable output voltage can be achieved by varying the gain of the inverter, which is normally accomplished by pulse-width-modulation control within the inverter. There are number of pulse width modulation techniques but only Space vector technique is a good choice among all techniques to control voltage source inverter. Space vector pulse width modulation (SVPWM) is an advanced and very popular method with several advantages such as its effective DC bus utilization, less harmonic generation in output voltage, less switching losses, wide linear modulation range etc. Owing to these advantages, it is being mostly used to control an inverter.

Keywords

Pulse width modulation (PWM), Space vector pulse width modulation (SVPWM), Total harmonic distortion (THD), Voltage source inverter (VSI).

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