Analysis and Investigation of Hybrid DC-DC Non-Isolated and Non-Inverting Nx Interleaved Multilevel Boost Converter (Nx-IMBC) for High Voltage Step-Up Applications: Hardware Implementation

Mahajan Sagar Bhaskar, Dhafer J. Almakhles, Sanjeevikumar Padmanaban, Frede Blaabjerg, Umashankar Subramaniam, Dan M. Ionel

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

In significant cases, the generated voltage needs to be step-up with high conversion ratio by using the DC-DC converter as per the requirement of the load. The drawbacks of traditional boost converter are it required high rating semiconductor devices and have high input current ripple, low efficiency, and reverse recovery voltage of the diodes. Recently, the family of Multilevel Boost Converter suggested and suitable configuration to overcome the above drawbacks. In this article, hybrid DC-DC non-isolated and non-inverting Nx Interleaved Multilevel Boost Converter (Nx-IMBC) is analyzed in Continuous Conduction Mode (CCM) and Discontinuous Conduction Mode (DCM) with boundary condition and investigated in detail. The Nx-IMBC circuit combined the features of traditional Interleaved Boost Converter (IBC) and Nx Multilevel Boost Converter (Nx-MBC). The modes of operation, design of Nx-IMBC and the effect of the internal resistance of components are presented. The comparison study with various recent DC-DC converters is presented. The experimental and simulation results are presented with or without perturbation in input voltage, output power and output reference voltage which validates the design, feasibility, and working of the converter.

Original languageEnglish
Article number9086626
Pages (from-to)87309-87328
Number of pages20
JournalIEEE Access
Volume8
DOIs
StatePublished - 2020

Bibliographical note

Publisher Copyright:
© 2013 IEEE.

Keywords

  • DC-DC
  • high step-up
  • hybrid converter
  • interleaved
  • low current ripples
  • low voltage stress
  • multilevel
  • non-inverting
  • non-isolated
  • voltage multiplier

ASJC Scopus subject areas

  • General Computer Science
  • General Materials Science
  • General Engineering

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