A four-switch three-phase SEPIC-based inverter

Mohamed S. Diab, Ahmed Elserougi, Ahmed M. Massoud, Ayman Abdel-Khalik, Shehab Ahmed

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The four-switch three-phase (FSTP) inverter has been proposed as an innovative inverter design to reduce the cost, complexity, size, and switching losses of the dc-ac conversion system. Traditional FSTP inverter usually operates at half the dc input voltage; hence, the output line voltage cannot exceed this value. This paper proposes a novel design for the FSTP inverter based on the topology of the single-ended primary-inductance converter (SEPIC). The proposed topology provides pure sinusoidal output voltages with no need for output filter. Compared to traditional FSTP inverter, the proposed FSTP SEPIC inverter improves the voltage utilization factor of the input dc supply, where the proposed topology provides higher output line voltage which can be extended up to the full value of the dc input voltage. The integral sliding-mode control is used with the proposed topology to optimize its dynamics and to ensure robustness of the system during different operating conditions. Derivation of the equations describing the parameters design, components ratings, and the operation of the proposed SEPIC inverter is presented in this paper. Simulation model and experimental setup are used to validate the proposed concept. Simulations and experimental results show the effectiveness of the proposed inverter.

Original languageEnglish
Article number6928485
Pages (from-to)4891-4905
Number of pages15
JournalIEEE Transactions on Power Electronics
Volume30
Issue number9
DOIs
Publication statusPublished - 1 Sep 2015

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Inductance
Switches
Electric potential
Topology
Sliding mode control
Costs

Keywords

  • Four-switch three-phase inverter (FSTP)
  • Integral sliding-mode control
  • SEPIC converter
  • Sliding-mode control

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

A four-switch three-phase SEPIC-based inverter. / Diab, Mohamed S.; Elserougi, Ahmed; Massoud, Ahmed M.; Abdel-Khalik, Ayman; Ahmed, Shehab.

In: IEEE Transactions on Power Electronics, Vol. 30, No. 9, 6928485, 01.09.2015, p. 4891-4905.

Research output: Contribution to journalArticle

Diab, Mohamed S. ; Elserougi, Ahmed ; Massoud, Ahmed M. ; Abdel-Khalik, Ayman ; Ahmed, Shehab. / A four-switch three-phase SEPIC-based inverter. In: IEEE Transactions on Power Electronics. 2015 ; Vol. 30, No. 9. pp. 4891-4905.
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