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Implementation of Seven-Level Reversing Voltage Inverter using Multi Reference Based Space Vector PWM Technique

S. Nagaraja Rao*, D. V. Ashok Kumar**, CH. Sai Babu***

*-***Department of Electrical and Electronics Engineering, Jawaharlal Nehru Technological University, Kakinada, Andhra Pradesh, India.

Periodicity:July - December'2021
DOI : https://doi.org/10.26634/jcir.9.2.15789

Abstract

In this paper, a cascade topology of a multilevel reverse voltage (RV) inverter has been proposed to improve multilevel performance by compensating for the shortcomings of two-level and conventional multilevel inverters (MLI). This topology requires less number of parts compared to existing MLI's particularly in higher levels with less gate drives and carrier signals. Therefore, the total cost and complication are greatly reduced, predominantly for higher output voltage levels. The suggested topology can have the improved performance by employing the most relevant control and modulation methods based on multiple space vector references with single U-type carrier wave. The paper persistently attempts to present the analysis carried out using space vector modified PWM control methods based on several references for the topology of a single-phase seven-level RV inverter in terms of total harmonic distortion (THD) and fundamental RMS voltage. Finally, simulation results are included to test the effectiveness of the proposed RV topology. A hardware setup has been developed to match the simulation results of a single-phase seven-level FPGA-based pulse-generated RV cascade inverter.

Keywords

Cascade Based RV Inverter, Multiple Reference Based Modified Space Vector PWM (MRSVPWM), Total Harmonic Distortion (THD).

How to Cite this Article?

Rao, S. N., Kumar, D. V. A., and Babu, C. H. S. (2021). Implementation of Seven-Level Reversing Voltage Inverter using Multi Reference Based Space Vector PWM Technique. i-manager's Journal on Circuits and Systems, 9(2), 9-15. https://doi.org/10.26634/jcir.9.2.15789

References

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