New Three-Phase Multilevel Inverter With Reduced Number of Power Electronic Components
- 9 January 2014
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Electronics
- Vol. 29 (11), 6018-6029
- https://doi.org/10.1109/tpel.2014.2298616
Abstract
In this paper, a new configuration of a three-phase five-level multilevel voltage-source inverter is introduced. The proposed topology constitutes the conventional three-phase two-level bridge with three bidirectional switches. A multilevel dc link using fixed dc voltage supply and cascaded half-bridge is connected in such a way that the proposed inverter outputs the required output voltage levels. The fundamental frequency staircase modulation technique is easily used to generate the appropriate switching gate signals. For the purpose of increasing the number of voltage levels with fewer number of power electronic components, the structure of the proposed inverter is extended and different methods to determine the magnitudes of utilized dc voltage supplies are suggested. Moreover, the prototype of the suggested configuration is manufactured as the obtained simulation and hardware results ensured the feasibility of the configuration and the compatibility of the modulation technique is accurately noted.Keywords
Funding Information
- University of Malaya's provision of the High Impact Research (D000022-16001)
- Hybrid Solar Energy Research Suitable for Rural Electrification and UMRG project (RP015 A-13AET)
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