A New Strategy for Harmonic Minimization Based on Triple Switching of Multilevel Converters
Publish place: 21th Iranian Conference on Electric Engineering
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICEE21_817
تاریخ نمایه سازی: 27 مرداد 1392
Abstract:
In this paper the Imperialistic competition algorithm (ICA) is used to minimize harmonic components of the output voltage up to 75th harmonic in a multilevel inverterstructure with unequal DC sources by the means of selected switching angles. As the number of switching angles increase,it becomes more difficult to calculate the optimum switchingangles in order to minimize THD, so the ICA method is used to find the global optimum of the search space. In addition,the topology used in this multilevel converter is an optimum topology with maximum number of output voltage steps while the number of switches is constant
Keywords:
Cascaded Multilevel Converter – Multiple DC-Sources — Selective Harmonic Elimination (SHE) –––Triple Switching-Imperialistic Competition Algorithm (ICA)
Authors
Yahya Naderi
Faculty of Electrical and Computer Engineering, Tabriz University, Tabriz, Iran
Roya Naderi
Islamic Azad University, Heris Branch, Electrical Department, Heris, Iran