Effect of duty cycle on THD for multilevel inverter based on selective harmonic elimination technique

Aboadla, Ezzidin Hassan Elmabrouk and Khan, Sheroz and Habaebi, Mohamed Hadi and Gunawan, Teddy Surya and Hamida, Belal Ahmed and Yaacob, Mashkuri and Aboadla, Ali and Khalil, Ashraf F. and Muhaisen, Naser (2018) Effect of duty cycle on THD for multilevel inverter based on selective harmonic elimination technique. In: 2018 7th International Conference on Computer Communication Engineering (ICCCE2018), 19-20 September 2018, Kuala Lumpur.

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Abstract

Multilevel inverters controlled suffers from the issue of harmonic distortion in the output voltage. Selective Harmonic Elimination (SHE) technique plays an effective role to eliminate these harmonics. The undesirable odd harmonics can be eliminated by having optimized the switching angles in SHE signal. To optimized and obtained these switching angles, a number of nonlinear equations should be solved using a numerical method. In addition to the modulation index, by changing the value of the duty cycle the Total Harmonics Distortion (THD) will also change. In this paper, a novel Optimization Harmonic Elimination Technique (OHET) based on SHE scheme is proposed in order to minimize Total Harmonic Distortion (THD). To evaluate and investigate the performance of the proposed scheme, a seven-level cascaded inverter is simulated by MATLAB and PSIM software.

Item Type:	Conference or Workshop Item (Slide Presentation)
Additional Information:	3930/67991
Uncontrolled Keywords:	Duty cycle, Multilevel Inverter, Optimization technique, Switching angles, Selective Harmonic Elimination
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:	Dr. Mohamed Hadi Habaebi
Date Deposited:	05 Dec 2018 17:52
Last Modified:	17 Aug 2019 12:30
URI:	http://irep.iium.edu.my/id/eprint/67991

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