Menshawi, K.M. and Abdulkader, M.N. and Mekhilef, Saad (2011) Voltage vector approximation control of multistage - Multilevel inverter using simplified logic implementation. In: 2011 IEEE 9th International Conference on Power Electronics and Drive Systems, PEDS 2011, Singapore.
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Abstract
Three-stage redundancy-free multilevel inverter and its innovative control method have been presented. Logic comparators have been implemented in order to ease calculations and to ensure simplicity as well as to improve resultant voltage waveforms. The multistage inverter is formed by high, medium and low voltage stages, connected in series. Six-switch conventional inverter represents the main high-voltage stage. Cascaded H-bridge units are used to build the medium and low voltage stages of the inverter. The proposed control strategy is to keep the state of the high voltage stage if it can lead to the target voltage vector or medium and low approximations otherwise, are triggered. Hysteresis Comparators are used in high and medium voltage stages to hold switching states or to decide the next change. The low voltage stage works to reach the reference voltage vector by using integer rounding and comparators to achieve the best approximations. The designed control technique is verified by simulations as well as testing to prove its advantages over previous control methods.
| Item Type: | Conference or Workshop Item (Paper) |
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| Funders: | UNSPECIFIED |
| Additional Information: | Conference code: 88711 Export Date: 16 November 2012 Source: Scopus Art. No.: 6147224 CODEN: 85RTA doi: 10.1109/PEDS.2011.6147224 Language of Original Document: English Correspondence Address: Menshawi, K.M.; Department of Electrical Engineering, University of Malaya, Kuala Lumpur, Malaysia; email: menshawik@yahoo.com References: Baker, R.H., Bannister, L.H., (1975) Electric Power Converter, , U.S. Patent 3 867 643, Feb; Lai, J.S., Peng, F.Z., Multilevel converters-A new breed of power converters (1996) IEEE Trans. Ind Appl., 32 (3), pp. 509-517. , May/Jun; Rodriguez, J., Multilevel converters: An enabling technology for high-power applications (2009) Proceedings of the IEEE, 97 (2), pp. 1786-1817. , Nov; Rufer, A., Asymmetric multilevel converter for high resolution voltage phasor generation EPE '99; Abdul Kadir, M.N., Direct torque control pennanent magnet synchronous motor drive with asymmetrical multilevel inverter supply (2007) ICPE '07. 7th International Conference on Power Electronics, pp. 1196-1201. , Oct; Mariethoz, S., Rufer, A., Multi source DC-DC converter for the supply of hybrid multilevel converter (2006) IEEE 41st lAS Annual Meeting Industry Applications Conference, (2), pp. 982-87. , Tampa Florida October; Veenstra, M., Rufer, A., Control of a hybrid asymmetric multilevel inverter for competitive medium-voltage industrial drives' (2003) IEEE 38th Industry Applications Society Annual Meeting, , Salt Lake City, Utah, USA, October; Lai, Y., Shyu, F., Topology for hybrid multilevel inverter (2002) IEE Proceedings on Electric Power Applications, 149, pp. 449-58; Mariethoz, S., Rufer, A., New configurations for the threephase asymmetrical multilevel inverter. In: Proceedings of (2004) IEEE 39th lAS Annual Meeting, (2), pp. 828-835. , Seattle, 3-7 October; Mariethoz, S., Rufer, A., Resolution and efficiency improvements for three-phase cascade multilevel inverters' (2004) 35th Annual IEEE Power Electronics Specialists Conference PESC04, pp. 4441-46. , Aachen, Gennany, June; AbdulKadir, M., Hussien, Z.F., Asymmetrical multilevel inverter: Maximum resolution for H-bridge topology' (2005) The Sixth International Conference on Power Electronics and Drives Systems PEDS Kuala Lumpur Malaysia, pp. 1068-1071. , NovemberDecember; Liu, Y., Luo, F.L., Trinary hybrid 81-level multilevel inverter for motor drive with zero common-mode voltage (2008) IEEE Transactions on Industrial Electronics, 55 (3), pp. 1014-1021; Rodriguez, J., A vector control technique for mediumvoltage multilevel inverters (2002) IEEE Transactions on Industrial Electronics, 49 (4), pp. 882-888; Fukuda, S., Control strategies of a hybrid multilevel converter for expanding adjustable output voltage range (2009) IEEE Transactions on Industry Applications, 45 (2), pp. 827-35; Rech, C., Analysis and comparison of hybrid multilevel voltage source inverters'". In (2002) IEEE 33rd Annual Power Electronics SpeCialists Conference Pesc '02., 2, pp. 491-496; Abdul Kadir, M.N., Voltage control of three-stage hybrid multilevel inverter using vector transfonnation (2010) PEMD 2010: 5th IET conference on Power ElectroniCS, Machines and Drives, , Brighton, UK, April; Abdul Kadir, M., Voltage vector control of a hybrid threestage 18-level inverter by vector decomposition (2010) IET Power Electronics, 3 (4), pp. 601-611. , July; Mekhilef, S., Abdul Kadir, M.N., Voltage control of three-stage hybrid multilevel inverter using vector transfonnation (2010) IEEE Transactions on Power Electronics, 25 (10), pp. 2599-2606. , Oct; Abdul Kadir, M.N., Dual vector control strategy for a threestage hybrid cascaded multilevel inverter (2010) Journal of Power ElectroniCS, 10 (2), pp. 155-164; Mekhilef, S., Kadir, M.N.A., Novel vector control method for three-stage hybrid cascaded multilevel inverter (2011) IEEE Transactions on Industrial ElectroniCS, 58 (4), pp. 1339-1349. , April |
| Uncontrolled Keywords: | Best approximations, Cascaded H-bridge, Control methods, Control strategies, Control techniques, Conventional inverters, High voltage, High-voltages, Hysteresis comparator, Logic comparator, Low approximation, Low voltages, Medium voltage, Multi stage inverter, Multilevel inverter, Reference voltages, Target voltage, Voltage vectors, Voltage waveforms, Bridge circuits, Comparators (optical), Power electronics, Electric inverters. |
| 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: | 08 Feb 2013 01:55 |
| Last Modified: | 25 Oct 2019 03:57 |
| URI: | http://eprints.um.edu.my/id/eprint/4757 |
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