A comparative study of 5-level and 7-level multilevel inverter connected to the grid

Yusof, N.A. and Sapari, N.M. and Mokhlis, Hazlie and Selvaraj, J. (2012) A comparative study of 5-level and 7-level multilevel inverter connected to the grid. In: 2012 IEEE International Conference on Power and Energy, PECon 2012, 2012, Kota Kinabalu.

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Abstract

Power electronic converters were developed for integrating the photovoltaic (PV) arrays and utility grid. Inverters are needed to convert the direct current electricity produced by the PV array into alternating current electricity required for loads. Nowadays, multilevel inverter gained so much popularity in PV systems. Multilevel inverter promises a lot of advantages over conventional inverter especially for high power applications. Some of the advantages are that the output waveform were improved since multilevel inverter produced nearly sinusoidal output voltage waveforms, hence the total harmonic distortion also low. The switching losses also become less. And, the filter needed to smooth the output voltage is small; hence, the system is compact, lighter and much cheaper.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 95813 Export Date: 17 April 2013 Source: Scopus Art. No.: 6450273 :doi 10.1109/PECon.2012.6450273 Language of Original Document: English Correspondence Address: Yusof, N.A.; Department of Electrical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia References: Commision, E., A vision of photovoltaic technology (2005) Directorate-General for Research Sustainable Energy Systems, EUR 21242; (2008) Publications Review on the Impacts of PV Distributed Generation and Electricity Networks, , Annexes PVUpscale, Intelligent Energy Europe; Park, S.J., Kang, F.S., Lee, M.H., Kim, C.U., A new single-phase five-level pwm inverter employing a deadbeat control scheme IEEE Transactions on Power Electronic, 18 (3), pp. 831-843. , May 2003; Panda, A.K., Suresh, Y., Research on cascade multilevel inverter with single dc source by using three-phase transformers (2012) Electrical Power and Energy System, 40, pp. 9-20. , March; Singh, B., Mittal, N., Verma, K.S., Multi-level inverter: A literature survey on topologies and control strategies (2012) International Journal of Reviews in Computing, 10, pp. 1-16. , July; Cerlia, G., Grau, V., Sanchez, C., Ibanez, F., Walter, J., Millan, A., Gimenez, M.I., A new multilevel inverter topology (2004) Fifth IEEE International Caracas Conference on Devices, Circuits and Systems, pp. 212-218. , Dominican Republic, November; Cerlia, G., Guzman, V., Sanchez, C., Ibanez, F., Walter, J., Gimenez, M.I., A new simplified multilevel inverter for dc-ac conversion IEEE Transactions on Power Electronics, 21 (5), pp. 1311-1319. , September 2005; Rahim, N.A., Chaniago, K., Selvaraj, J., Single-phase seven-level grid connected inverter for photovoltaic system IEEE Transactions on Industrial Electronics, 58 (6), pp. 2435-2443. , June 2011; (2000) IEEE Recommended Practices for Utility Interface of Photovoltaic Systems, , IEEE Std 929-; Agelidis, V.G., Baker, D.M., Lawrance, W.B., Nayar, C.V., A multilevel inverter topology for photovoltaic applications (1997) IEEE International Sysmposium on Industrial Electronics, ISIE '97, 2, pp. 589-594. , July; Rahim, N.A., Selvaraj, J., Multilevel inverter for grid connected pv system employing digital pi controller IEEE Transactions on Industrial Electronics, 56 (1), pp. 149-158. , Jan 2009 Sponsors: IEEE Malaysia; IEEE Malaysia Power Electronics/Industrial; Electronics/Industrial Applications Joint Chapter; IEEE Malaysia Power and Energy Chapter
Uncontrolled Keywords: 5-level; 7-level multilevel inverter; Efficiency; power factor; PWM modulation technique; THD, Multilevel inverter; Power factors; Pwm modulation techniques; Electric power factor correction; Photovoltaic cells; 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: 11 Jul 2013 05:21
Last Modified: 09 Oct 2019 08:48
URI: http://eprints.um.edu.my/id/eprint/7804

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