A three-phase three-level voltage source inverter with a three-phase two-level inverter as a main circuit

Ahmed, M. and Mekhilef, Saad (2008) A three-phase three-level voltage source inverter with a three-phase two-level inverter as a main circuit. In: 4th IET International Conference on Power Electronics, Machines and Drives, PEMD 2008, York.

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Abstract

This paper proposes and describes the design of a three-phase three-level nine switch voltage source inverter. The proposed topology consists of three bi-directional switches inserted between the source and the full-bridge power switches of the classical three-phase inverter. As a result, a three-level output voltage waveform and significant suppression of the load harmonics contents are obtained at the inverter output. The harmonics contents of the proposed multilevel inverter can be reduced by half compared with the two-level inverter. A Fourier analysis of the output waveform is performed and the design is optimized to obtain the minimum total harmonic distortion. The full-bridge power switches of the classical three-phase inverter operate at the line frequency of 50 Hz, while the auxiliary circuit switches operate at twice the line frequency. To validate the proposed topology, simulation and analysis have been performed. In addition, a prototype has been designed, implemented and tested. Selected simulation and experimental results have been provided.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 76307 Export Date: 16 November 2012 Source: Scopus doi: 10.1049/cp:20080600 Language of Original Document: English Correspondence Address: Ahmed, M.; Aswan Faculty of Engineering, South Valley UniversityEgypt; email: mahroussh@yahoo.com References: Rashid, M.H., (1993) Power Electronics, 2nd Edition, pp. 320-323. , Prentice Hall; Hashad, M., Iwaszkiewicz, J., A Novel Orthogonal-Vectors-Based Topology of Multilevel Inverters (2002) IEEE Trans. on Ind. Electronics, 49 (4), pp. 868-874; Cengelci, E., Sulistijo, U., Woo, O., Enjeti, P., Teodorescu, R., Blaabjerg, F., A new medium-voltage PWM inverter topology for adjustable-speed drives (1999) IEEE Trans. Ind. Application, 35, pp. 628-637. , May/June; Henning, P.H., Fuchs, H.D., Le Roux, A.D., Du T Mouton, H., Development of a 1.5 MW, Seven Level Series-stacked Converter as an APF and Regeneration Converter for a DC Traction Substation 36th IEEE Specialists Conference on Power Electronics 2005, June 12, pp. 2270-2276; Somasekhar, V.T., Gopakumar, K., Three-level inverter configuration cascading two two-level inverters (2003) IEE Proceedings Electric Power Applications, 150 (3), pp. 245-254. , May; Kanchan, R.S., Tekwani, P.N., Baiju, M.R., Gopakumar, K., Pittet, A., Three-level inverter configuration with common-mode voltage elimination for induction motor drive (2005) IEE Proceedings: Electric Power Applications, 152 (2), pp. 261-270. , DOI 10.1049/ip-epa:20055034; Nabae, A., Takahashi, I., Akagi, H., NEW NEUTRAL-POINT-CLAMPED PWM INVERTER (1981) IEEE Transactions on Industry Applications, IA-17 (5), pp. 518-523; Marchesoni, M., Tenca, P., Diode-clamped multilevel converters: A practicable way to balance DC-link voltages (2002) IEEE Transactions on Industrial Electronics, 49 (4), pp. 752-765. , DOI 10.1109/TIE.2002.801237, PII 1011092002801237; Rodriguez, J., Lai, J.-S., Peng, F.Z., Multilevel inverters: A survey of topologies, controls, and applications (2002) IEEE Transactions on Industrial Electronics, 49 (4), pp. 724-738. , DOI 10.1109/TIE.2002.801052, PII 1011092002801052; Meynard, T.A., Foch, H., Multilevel choppers for high voltage applications (1992) European Power Electron. Drives J., 2, p. 41. , Mar; Peng, F.Z., Lai, J.S., Multilevel cascade voltage-source inverter with separate DC sources (1997), U.S. Patent 5 642 275, June 24Hammond, P.W., A new approach to enhance power quality for medium voltage AC drives (1997) IEEE Transactions on Industry Applications, 33 (1), pp. 202-208. , PII S0093999497001886; Kukrer, O., Deadbeat control of a three-phase inverter with an output LC filter (1996) IEEE Transactions on Power Electronics, 11 (1), pp. 16-23. , PII S0885899396005911; Ekanayake, J.B., Jenkins, N., A three-level advanced static VAr compensator (1996) IEEE Transactions on Power Delivery, 11 (1), pp. 540-545
Uncontrolled Keywords: Multilevel inverter, Three level output waveform inverter, Total harmonic distortion, Two-level inverter, Auxiliary circuits, Bidirectional switch, Full-bridge, Harmonics content, Line frequency, Load harmonics, Main circuit, Output voltages, Output waveform, Power switches, Simulation and analysis, Switch voltage, Three-level, Three-phase inverter, Total harmonic distortions Voltage source inverter, Electric inverters, Electric power factor correction, Fourier analysis, Harmonic analysis, Harmonic distortion, Power electronics, Switches, Wave filters, Damage detection.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 26 Feb 2013 09:23
Last Modified: 25 Oct 2019 03:47
URI: http://eprints.um.edu.my/id/eprint/4882

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