A Family of High Step-Up Coupled-Inductor Impedance-Source Inverters With Reduced Switching Spikes

Hongpeng Liu; Zichao Zhou; Kuan Liu; Poh Chiang Loh; Wei Wang; Dianguo Xu; Frede Blaabjerg

doi:10.1109/TPEL.2018.2820814

A Family of High Step-Up Coupled-Inductor Impedance-Source Inverters With Reduced Switching Spikes

Hongpeng Liu, Zichao Zhou, Kuan Liu, Poh Chiang Loh, Wei Wang, Dianguo Xu, Frede Blaabjerg

Research output: Contribution to journal › Journal article › Research › peer-review

33 Citations (Scopus)

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Abstract

By using coupled inductors, impedance-source inverters can greatly increase their voltage step-up abilities at the expense of high voltage spikes at their dc-links due to leakage inductances. These voltage spikes can then cause damages and greater power losses. Therefore, to better clamp their dc-link voltages, various absorbing circuits have been proposed in this letter for forming a unique family of impedance-source inverters with even higher gains. The abilities of these inverters in clamping their dc-link voltages have been verified by experimental results presented at the end of the letter.

Original language	English
Article number	8327861
Journal	I E E E Transactions on Power Electronics
Volume	33
Issue number	11
Pages (from-to)	9116 - 9121
Number of pages	6
ISSN	0885-8993
DOIs	https://doi.org/10.1109/TPEL.2018.2820814
Publication status	Published - Nov 2018

Keywords

Coupled inductor
impedance-source inverter
leakage inductance
voltage spikes
Y-source inverter (YSI)

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10.1109/TPEL.2018.2820814

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title = "A Family of High Step-Up Coupled-Inductor Impedance-Source Inverters With Reduced Switching Spikes",

abstract = "By using coupled inductors, impedance-source inverters can greatly increase their voltage step-up abilities at the expense of high voltage spikes at their dc-links due to leakage inductances. These voltage spikes can then cause damages and greater power losses. Therefore, to better clamp their dc-link voltages, various absorbing circuits have been proposed in this letter for forming a unique family of impedance-source inverters with even higher gains. The abilities of these inverters in clamping their dc-link voltages have been verified by experimental results presented at the end of the letter.",

keywords = "Coupled inductor, impedance-source inverter, leakage inductance, voltage spikes, Y-source inverter (YSI)",

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AU - Liu, Hongpeng

AU - Zhou, Zichao

AU - Liu, Kuan

AU - Chiang Loh, Poh

AU - Wang, Wei

AU - Xu, Dianguo

AU - Blaabjerg, Frede

PY - 2018/11

Y1 - 2018/11

N2 - By using coupled inductors, impedance-source inverters can greatly increase their voltage step-up abilities at the expense of high voltage spikes at their dc-links due to leakage inductances. These voltage spikes can then cause damages and greater power losses. Therefore, to better clamp their dc-link voltages, various absorbing circuits have been proposed in this letter for forming a unique family of impedance-source inverters with even higher gains. The abilities of these inverters in clamping their dc-link voltages have been verified by experimental results presented at the end of the letter.

AB - By using coupled inductors, impedance-source inverters can greatly increase their voltage step-up abilities at the expense of high voltage spikes at their dc-links due to leakage inductances. These voltage spikes can then cause damages and greater power losses. Therefore, to better clamp their dc-link voltages, various absorbing circuits have been proposed in this letter for forming a unique family of impedance-source inverters with even higher gains. The abilities of these inverters in clamping their dc-link voltages have been verified by experimental results presented at the end of the letter.

KW - Coupled inductor

KW - impedance-source inverter

KW - leakage inductance

KW - voltage spikes

KW - Y-source inverter (YSI)

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DO - 10.1109/TPEL.2018.2820814

M3 - Journal article

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JO - I E E E Transactions on Power Electronics

JF - I E E E Transactions on Power Electronics

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ER -

A Family of High Step-Up Coupled-Inductor Impedance-Source Inverters With Reduced Switching Spikes

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