Effect of modulation index of pulse width modulation inverter on total harmonic distortion for sinusoidal

Aboadla, Ezzidin Hassan Elmabrouk and Khan, Sheroz and Habaebi, Mohamed Hadi and Gunawan, Teddy Surya and Hamida, Belal Ahmed and Yaacob, Mashkuri (2016) Effect of modulation index of pulse width modulation inverter on total harmonic distortion for sinusoidal. In: "International Conference on Intelligent Systems Engineering, ICISE 2016", 15-17 January 2016, Islamabad, Pakistan.

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Abstract

Knowing Total Harmonic Distortion (THD) of voltage source inverter (VSI) is important and must be within the allowable range. Several schemes are suggested to mitigate THD and to produce as much a sinusoidal output signal as would be possible. One of such schemes is using Sinusoidal Pulse Width Modulation (SPWM)-based inverter. SPWM is usually used in inverters for industrial applications. In this paper, a study of the performance of the SPWM technique is presented for a single phase H-bridge inverter. The SPWM scheme is modeled in MATLAB - Simulink. A bipolar and unipolar PWM technique are compared in this project as such techniques offer the features of effectively doubling the switching frequency of the output voltage. Under different conditions of modulation index, the pattern is utilised to estimate the harmonics. Simulation results for a full bridge single phase inverter using bipolar and unipolar SPWM are presented.

Item Type:	Conference or Workshop Item (Invited Papers)
Additional Information:	3930/50517
Uncontrolled Keywords:	Inverter, SPWM, Unipolar, Bipolar, Modulation index
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User:	Professor Mashkuri Yaacob
Date Deposited:	20 Jun 2016 15:06
Last Modified:	12 Oct 2017 19:08
URI:	http://irep.iium.edu.my/id/eprint/50517

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