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Comparative Study of Different Topologies of a Five Level Inverter

R. Sheba Rani*, C. Srinivasa Rao**, M. Vijaya Kumar***

* Assistant Professor, Department of Electrical and Electronics Engineering, GPCET, Andhra Pradesh, India.

** Professor, Department of Electrical and Electronics Engineering, GPCET, Andhra Pradesh, India.

*** Professor, Department of Electrical Engineering, JNTUA, Anantapuramu, Andhra Pradesh, India.

Periodicity:February - April'2017
DOI : https://doi.org/10.26634/jic.5.2.13499

Abstract

Multilevel inverters are popular in high voltage applications and have become an important concept of research. The design and operation of these inverters are getting simpler and attaining improvement due to the advances in power semi conductor devices and modulation techniques. Multilevel inverters are known for their ability to produce a synthesized AC output voltage with negligible harmonic distortion. This paper compares three different topologies on Multilevel inverters- Neural Point- Diode Clamped Multilevel Inverter, Flying Capacitor Multilevel Inverter, and Cascaded H-Bridge Multilevel Inverter. The performances of inverters are compared in terms of number of IGBT switches, capacitors, diodes, DC voltage sources required for each configuration and harmonic distortion in output voltage. All the inverters are designed and simulated on MATLAB / SIMULINK platform and the results are presented.

Keywords

Cascaded H-Bridge Multilevel Inverter (CHB-MLI), Common Mode (CM) Voltage, Electro Magnetic Compatibility (EMC), Flying-Capacitor Multilevel Inverter (FCMLI), Half- Bridge Inverter, Switch Mode DC-to-AC Inverter, Neutral Point Diode-Clamped Multilevel Inverter (NPDCMLI), Pulse Width Modulation (PWM), Voltage Source Inverter (VSI)

How to Cite this Article?

Rani, R.S., Rao, C.S., and Kumar, M.V. (2017). Comparative Study of Different Topologies of a Five Level Inverter. i-manager’s Journal on Instrumentation and Control Engineering, 5(2), 18-25. https://doi.org/10.26634/jic.5.2.13499

References

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