Novel switched‑coupled‑inductor quasi‑Z‑source network with enhanced boost capability

Mehran Moslehi Bajestan; Mohammad Ali Shamsinejad

Novel switched‑coupled‑inductor quasi‑Z‑source network with enhanced boost capability

Mehran Moslehi Bajestan

Mohammad Ali Shamsinejad

Vol. 20, No. 6, pp. 1343-1351, Nov. 2020

10.1007/s43236-020-00128-1

Switched-coupled-inductors

High gain

Turn ratio

Shoot-through

Quasi-Z-source network (qZSN)

Abstract

In this paper, a novel impedance network referred to as a high-gain switched-coupled-inductor quasi-Z-source network (hgSCL-qZSN) is presented. The proposed topology employs a two-winding switched-coupled-inductor and a switchedcapacitor in the impedance network, which offers a higher voltage boost capability when compared to most of the existing ZS-based topologies. In addition, the proposed SCL-qZSN has a low peak magnetizing current, which leads to a smaller core volume. This, in turn, reduces costs as well as core/winding losses. Moreover, to produce higher voltage gains, the presented hgSCL-qZSN requires lower winding turn ratios and shoot-through (ST) ratios, which leads to lower voltage stresses on the passive and active components. A detailed theoretical analysis of the proposed topology is presented in this paper, followed by a number of experimental results.

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Cite this article

[IEEE Style]

M. M. Bajestan and M. A. Shamsinejad, "Novel switched‑coupled‑inductor quasi‑Z‑source network with enhanced boost capability," Journal of Power Electronics, vol. 20, no. 6, pp. 1343-1351, 2020. DOI: 10.1007/s43236-020-00128-1.

[ACM Style]

Mehran Moslehi Bajestan and Mohammad Ali Shamsinejad. 2020. Novel switched‑coupled‑inductor quasi‑Z‑source network with enhanced boost capability. Journal of Power Electronics, 20, 6, (2020), 1343-1351. DOI: 10.1007/s43236-020-00128-1.