Realization of 485 Level Inverter Using Tri-State Architecture for Renewable Energy Systems

Vijayaraja Loganathan, Ganesh Kumar Srinivasan and Marco Rivera
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Vijayaraja Loganathan: Department of Electrical and Electronics Engineering, Sri Sairam Institute of Technology, Anna University, Chennai 600044, India
Ganesh Kumar Srinivasan: Department of Electrical and Electronics Engineering, Anna University, Chennai 600025, India
Marco Rivera: Centro Tecnologico de Conversión de Energía, Department of Electrical Engineering, Faculty of Engineering, Universidad de Talca, Campus Curico, 3341717 Curico, Chile

Energies, 2020, vol. 13, issue 24, 1-29

Abstract: In this paper, a ‘k’-state inverter producing a higher number of voltage levels was designed, and we studied the inverter’s working. Further, a tri-state inverter was derived from the ‘k’-state inverter, which could build a maximum number of output voltage levels with the requirement of fewer components, thereby reducing the cost and size. A single Tri-state architecture generates three direct current (D.C.) voltage levels; therefore, cascading five tri-state architectures can generate 242 levels of DC voltages. Further, the inversion is done via the H bridge, which leads to 485 levels of the output voltage. Algorithms to design the amplitude of voltage sources and the generation of pulses are discussed in this paper. The proposed tri-state inverter takes a significant role in advancing renewable energy systems in utilizing inverter technology. A simulation study validated the operation of the proposed inverter. Moreover, an experimental setup was built for a single-phase 485-level inverter, and the structure’s performance was verified through the experimental results.

Keywords: asymmetric voltage source; half-bridge; multilevel inverter and Tri-state architecture (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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