ANALYTICAL HARMONIC ANALYSIS OF MULTILEVEL INVERTERS WITH UNBALANCED SWITCHING

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SHAHMOHAMADI SIMA; HOSSEINI SEYYED HOSSEIN; BABAEI EBRAHIM; SABAHI MEHRAN; FALLAH JABER

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Paper Information

Journal: TABRIZ JOURNAL OF ELECTRICAL ENGINEERING Year:2016 | Volume:46 | Issue:1 (75) Page(s): 209-219

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Title

ANALYTICAL HARMONIC ANALYSIS OF MULTILEVEL INVERTERS WITH UNBALANCED SWITCHING

Author(s)

Keywords

MULTILEVEL INVERTERSQ2

VOLTAGE HARMONICSQ2

UNBALANCED SWITCHING ANGLESQ2

ANALYTICAL RELATIONSQ2

MODELINGQ2

Abstract

In practical applications of inverters, unbalanced conditions may be occurred. For instance, semiconductor switches of a converter may not be exactly the same or switching circuit may be unbalanced. This unbalance leads to additional harmonics in the output of converter. The additional harmonics usually are not considered in the design of circuit, so cause many problems. For precise investigation of these harmonics, a new model of inverter based on switching functions is presented. With this model, analytical equations of harmonics in unbalanced switching are calculated. These analytical equations can be used for designing process such as investigation of optimal cases or elimination of undesired harmonics. The accuracy of the analytical calculations is verified by simulation results. As well, an experimental prototype is constructed to verify analytical results.

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APA: Copy

SHAHMOHAMADI, SIMA, HOSSEINI, SEYYED HOSSEIN, BABAEI, EBRAHIM, SABAHI, MEHRAN, & FALLAH, JABER. (2016). ANALYTICAL HARMONIC ANALYSIS OF MULTILEVEL INVERTERS WITH UNBALANCED SWITCHING. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, 46(1 (75)), 209-219. SID. https://sid.ir/paper/256594/en

Vancouver: Copy

SHAHMOHAMADI SIMA, HOSSEINI SEYYED HOSSEIN, BABAEI EBRAHIM, SABAHI MEHRAN, FALLAH JABER. ANALYTICAL HARMONIC ANALYSIS OF MULTILEVEL INVERTERS WITH UNBALANCED SWITCHING. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING[Internet]. 2016;46(1 (75)):209-219. Available from: https://sid.ir/paper/256594/en

IEEE: Copy

SIMA SHAHMOHAMADI, SEYYED HOSSEIN HOSSEINI, EBRAHIM BABAEI, MEHRAN SABAHI, and JABER FALLAH, “ANALYTICAL HARMONIC ANALYSIS OF MULTILEVEL INVERTERS WITH UNBALANCED SWITCHING,” TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, vol. 46, no. 1 (75), pp. 209–219, 2016, [Online]. Available: https://sid.ir/paper/256594/en

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