Generalized Multi-Cell Switched-Inductor and Switched-Capacitor Z-source Inverters

Ding Li; Poh Chiang Loh; Miao Zhu; Feng Gao; Frede Blaabjerg

doi:10.1109/TPEL.2012.2204776

Generalized Multi-Cell Switched-Inductor and Switched-Capacitor Z-source Inverters

Ding Li, Poh Chiang Loh, Miao Zhu, Feng Gao, Frede Blaabjerg

AAU Energy

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

166 Citations (Scopus)

Abstract

Traditional voltage-source inverter is limited by its only voltage step-down operation, while current-source inverter is limited by its only current step-down mode. In order to add an extra boosting flexibility while keeping the number of active semi-conductors unchanged, voltage-type and current-type Z-source in-
verters were earlier proposed. These new classes of inverters are generally more robust and less sensitive to electromagnetic noises. However, their boosting capabilities are somehow compromised by high component stresses and poorer spectral performances caused by low modulation ratios. Their boosting gains are, therefore, limited in practice. To overcome these shortcomings, the generalized switched-inductor and switched-capacitor Z-source inverters are proposed, whose extra boosting abilities and other advantages have already been verified in simulation and experiment.

Original language	English
Journal	I E E E Transactions on Power Electronics
Volume	28
Issue number	2
Pages (from-to)	837-848
Number of pages	12
ISSN	0885-8993
DOIs	https://doi.org/10.1109/TPEL.2012.2204776
Publication status	Published - Feb 2013
Event	2nd IEEE International Conference on Sustainable Energy Technologies, ICSET 2010 - Kandy, Sri Lanka Duration: 6 Dec 2010 → 9 Dec 2010

Conference

Conference	2nd IEEE International Conference on Sustainable Energy Technologies, ICSET 2010
Country/Territory	Sri Lanka
City	Kandy
Period	06/12/2010 → 09/12/2010

Keywords

Cascaded inverters, multicell inverters, switched- capacitor (SC), switched-inductor (SL), Z-source inverters

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10.1109/TPEL.2012.2204776

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title = "Generalized Multi-Cell Switched-Inductor and Switched-Capacitor Z-source Inverters",

abstract = "Traditional voltage-source inverter is limited by its only voltage step-down operation, while current-source inverter is limited by its only current step-down mode. In order to add an extra boosting flexibility while keeping the number of active semi-conductors unchanged, voltage-type and current-type Z-source in-verters were earlier proposed. These new classes of inverters are generally more robust and less sensitive to electromagnetic noises. However, their boosting capabilities are somehow compromised by high component stresses and poorer spectral performances caused by low modulation ratios. Their boosting gains are, therefore, limited in practice. To overcome these shortcomings, the generalized switched-inductor and switched-capacitor Z-source inverters are proposed, whose extra boosting abilities and other advantages have already been verified in simulation and experiment.",

keywords = "Cascaded inverters, multicell inverters, switched- capacitor (SC), switched-inductor (SL), Z-source inverters",

author = "Ding Li and {Chiang Loh}, Poh and Miao Zhu and Feng Gao and Frede Blaabjerg",

year = "2013",

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doi = "10.1109/TPEL.2012.2204776",

language = "English",

volume = "28",

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journal = "I E E E Transactions on Power Electronics",

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AU - Li, Ding

AU - Chiang Loh, Poh

AU - Zhu, Miao

AU - Gao, Feng

AU - Blaabjerg, Frede

PY - 2013/2

Y1 - 2013/2

N2 - Traditional voltage-source inverter is limited by its only voltage step-down operation, while current-source inverter is limited by its only current step-down mode. In order to add an extra boosting flexibility while keeping the number of active semi-conductors unchanged, voltage-type and current-type Z-source in-verters were earlier proposed. These new classes of inverters are generally more robust and less sensitive to electromagnetic noises. However, their boosting capabilities are somehow compromised by high component stresses and poorer spectral performances caused by low modulation ratios. Their boosting gains are, therefore, limited in practice. To overcome these shortcomings, the generalized switched-inductor and switched-capacitor Z-source inverters are proposed, whose extra boosting abilities and other advantages have already been verified in simulation and experiment.

AB - Traditional voltage-source inverter is limited by its only voltage step-down operation, while current-source inverter is limited by its only current step-down mode. In order to add an extra boosting flexibility while keeping the number of active semi-conductors unchanged, voltage-type and current-type Z-source in-verters were earlier proposed. These new classes of inverters are generally more robust and less sensitive to electromagnetic noises. However, their boosting capabilities are somehow compromised by high component stresses and poorer spectral performances caused by low modulation ratios. Their boosting gains are, therefore, limited in practice. To overcome these shortcomings, the generalized switched-inductor and switched-capacitor Z-source inverters are proposed, whose extra boosting abilities and other advantages have already been verified in simulation and experiment.

KW - Cascaded inverters, multicell inverters, switched- capacitor (SC), switched-inductor (SL), Z-source inverters

U2 - 10.1109/TPEL.2012.2204776

DO - 10.1109/TPEL.2012.2204776

M3 - Conference article in Journal

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JO - I E E E Transactions on Power Electronics

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T2 - 2nd IEEE International Conference on Sustainable Energy Technologies, ICSET 2010

Y2 - 6 December 2010 through 9 December 2010

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Generalized Multi-Cell Switched-Inductor and Switched-Capacitor Z-source Inverters

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