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Review

Review of Multilevel Voltage Source Inverter Topologies and Analysis of Harmonics Distortions in FC-MLI

1
School of Electrical Engineering, Pusan National University, Busandaehak-ro 63 beongil 2, Busan 46241, Korea
2
Department of Electrical Engineering and Electrical Engineering Management, University of technology Sydney, 15 Broadway Ultimo, Sydney, NSW 2007, Australia
*
Authors to whom correspondence should be addressed.
Electronics 2019, 8(11), 1329; https://doi.org/10.3390/electronics8111329
Received: 25 September 2019 / Revised: 3 November 2019 / Accepted: 6 November 2019 / Published: 11 November 2019
(This article belongs to the Special Issue Power Converters in Power Electronics)
We review the most common topology of multi-level inverters. As is known, the conventional inverters are utilized to create an alternating current (AC) source from a direct current (DC) source. The two-level inverter provides various output voltages [(Vdc/2) and (−Vdc/2)] of the load. It is a successive method, but it makes the harmonic distortion of the output side, Electromagnetic interference (EMI), and high dv/dt. We solve this problem by constructing the sinusoidal voltage waveform. This is achieved by a “multilevel inverter” (MLI). The multilevel inverter creates the output voltage with multiple DC voltages as inputs. Many voltage levels are combined to produce a smoother waveform. During the last decade, the multilevel inverter has become very popular in medium and high-power applications with some advantages, such as the reduced power dissipation of switching elements, low harmonics, and low EMIs. We introduce the information about several multilevel inverters such as the diode-clamped multilevel inverter (DC-MLI), cascaded H-bridge multilevel inverter (CHB-MLI), and flying-capacitor multilevel inverter (FC-MLI) with Power systems CAD (PSCAD) simulation. It is shown that THD is 28.88% in three level FC-MLI while THD is 18.56% in five level topology. Therefore, we can decrease the total harmonic distortion adopting the higher-level topology. View Full-Text
Keywords: multilevel inverter; diode clamped multilevel inverter; flying capacitor multilevel inverter; cascade H bridge multilevel inverter; total harmonic distortion; PWM control techniques; PSCAD/MULTISIM simulation multilevel inverter; diode clamped multilevel inverter; flying capacitor multilevel inverter; cascade H bridge multilevel inverter; total harmonic distortion; PWM control techniques; PSCAD/MULTISIM simulation
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MDPI and ACS Style

Rana, R.A.; Patel, S.A.; Muthusamy, A.; Lee, C.w.; Kim, H.-J. Review of Multilevel Voltage Source Inverter Topologies and Analysis of Harmonics Distortions in FC-MLI. Electronics 2019, 8, 1329. https://doi.org/10.3390/electronics8111329

AMA Style

Rana RA, Patel SA, Muthusamy A, Lee Cw, Kim H-J. Review of Multilevel Voltage Source Inverter Topologies and Analysis of Harmonics Distortions in FC-MLI. Electronics. 2019; 8(11):1329. https://doi.org/10.3390/electronics8111329

Chicago/Turabian Style

Rana, Ronak A., Sujal A. Patel, Anand Muthusamy, Chee w. Lee, and Hee-Je Kim. 2019. "Review of Multilevel Voltage Source Inverter Topologies and Analysis of Harmonics Distortions in FC-MLI" Electronics 8, no. 11: 1329. https://doi.org/10.3390/electronics8111329

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