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Harmonics elimination based on curve fitting method for modular multilevel converters

Tohtayong, Majdee and Khan, Sheroz and Yaacob, Mashkuri and Yusoff, Siti Hajar and Ahmed, Musse Mohamud and Kadir, Kushsairy Abdul and Shah, Jawad Ali and Aznan, Khairil Azhar and Aboadla, Ezzidin Hassan Elmabrouk (2017) Harmonics elimination based on curve fitting method for modular multilevel converters. In: IEEE Region Ten Conference (Tencon) 2017, 5-8 Nov 2017, Penang, Malaysia. (In Press)

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This paper presents the additional ways to figure out the switching angles for eliminating harmonic in Modular Multilevel Converters, MMCs. The switching angles equation is written in terms of nonlinear equation system, in general, one of the numerical method, named Newton-Raphson method, is used for this calculation procedure but the Newton-Raphson method takes more time for calculation that is difficult to implement the MMCs in a real-time control application. So that, numerous previous calculation methods are proposed to address this issue. To reduce the calculated time of switching angles, the Curve Fitting method is selected to assist the Newton-Raphson method and the idea of this combination method is presented in this paper. The calculation result of this combination and original Newton-Raphson method are compared and implemented in the 3-phase 7-level MMCs simulation to validate the calculation results. The Curve-Fitting can be used for calculation assisting of Newton-Raphson Method and obtains the calculation results faster than the using of lone Newton-Raphson method.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 3930/59479
Uncontrolled Keywords: MMCs, Stepped Waveform, Curve Fitting, Newton-Raphson.
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Kulliyyahs/Centres/Divisions/Institutes: UNSPECIFIED
Depositing User: Professor Mashkuri Yaacob
Date Deposited: 30 Dec 2017 09:44
Last Modified: 30 Dec 2017 09:44
URI: http://irep.iium.edu.my/id/eprint/59479

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