Non-Isolated High Step-Up DC-DC Converters: Comparative Review and Metrics Applicability

Hadi Tarzamni, Homayon Soltani Gohari, Mehran Sabahi, Jorma Kyyra

Research output: Contribution to journalArticleScientificpeer-review

23 Citations (Scopus)
35 Downloads (Pure)

Abstract

Due to the extensive role of non-isolated high step-up DC-DC converters (NHSDC)s in industrial applications and academic research, many of these pulse width modulation converters have been presented in recent years. For each of these NHSDCs, some claims are introduced to verify its capabilities and features, which has been investigated in some review papers with different frameworks. Dissimilar to previous review papers, which have focused on the classification and derivation of voltage boosting techniques, this paper aims to evaluate the converters from various topological and operational points of view, and determine the superiority of each technique and converter according to applications. Some of these metrics are voltage gain, stresses, ripple, cost, power density, weight, size, control complexity and components count which lead to a comprehensive comparative study. Then, as the main purpose of this paper, effectiveness of these metrics is assessed to show how well they can lead us to the fair comparison results. Moreover, some new figures of merit are proposed in this paper to provide a helpful guideline in power electronic converters comparison studies. Finally, the feasibility discussion of single- and multi-objective figures of merit is followed by general practical conclusion and outlook about the NHSDC structures.

Original languageEnglish
Pages (from-to)582-625
Number of pages41
JournalIEEE Transactions on Power Electronics
Volume39
Issue number1
Early online date3 Apr 2023
DOIs
Publication statusPublished - Jan 2024
MoE publication typeA1 Journal article-refereed

Keywords

  • Boosting
  • DC-DC converters
  • high step-up power conversion
  • Inductors
  • Measurement
  • metrics applicability
  • Pulse width modulation
  • pulse width modulation (PWM)
  • Rectifiers
  • single- and multi-objective figures of merit
  • Switches
  • topological and operational features
  • Topology
  • voltage boosting techniques

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