A Common Ground-type Single-Phase Dual Mode Five-Level Switched-Capacitor Transformerless Inverter

Habib Khan, MN; Siwakoti, YP; Scott, MJ; Ul Hasan, S; Shaffer, B; Li, L; Khan, SA; Blaabjerg, F

A Common Ground-type Single-Phase Dual Mode Five-Level Switched-Capacitor Transformerless Inverter

Habib Khan, MN Siwakoti, YP Scott, MJ Ul Hasan, S Shaffer, B Li, L

Khan, SA Blaabjerg, F

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Publisher:: IEEE
Publication Type:: Conference Proceeding
Citation:: Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 2020, 2020-March, pp. 436-441
Issue Date:: 2020-03-01

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Field	Value	Language
dc.contributor.author	Habib Khan, MN
dc.contributor.author	Siwakoti, YP
dc.contributor.author	Scott, MJ
dc.contributor.author	Ul Hasan, S
dc.contributor.author	Shaffer, B
dc.contributor.author	Li, L https://orcid.org/0000-0001-8485-2216
dc.contributor.author	Khan, SA
dc.contributor.author	Blaabjerg, F
dc.date	2020-03-15
dc.date.accessioned	2020-10-19T02:56:57Z
dc.date.available	2020-10-19T02:56:57Z
dc.date.issued	2020-03-01
dc.identifier.citation	Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 2020, 2020-March, pp. 436-441
dc.identifier.isbn	9781728148298
dc.identifier.uri	http://hdl.handle.net/10453/143360
dc.description.abstract	© 2020 IEEE. This paper presents a novel dual mode five-level common ground type (5L-DM-CGT) transformerless inverter topology with a wide input range (200 V - 400 V). It consists of eight switches, one diode, two capacitors, and an LC filter at the output. The topology eliminates common mode (CM) leakage current by connecting the negative terminal of the photovoltaic (PV) directly to the neutral point of the grid, which bypasses the PV array's stray capacitance. Depending on the magnitude of the input voltage, the converter can operate in buck or boost mode to produce the same AC voltage output. The analysis shows the advantages of dual mode inverter for various industrial applications. MATLAB Simulink simulations and experimental results verify the concept of the proposed topology and control method.
dc.language	en
dc.publisher	IEEE
dc.relation.ispartof	Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
dc.relation.ispartof	2020 IEEE Applied Power Electronics Conference and Exposition (APEC)
dc.relation.isbasedon	10.1109/APEC39645.2020.9124205
dc.rights	info:eu-repo/semantics/closedAccess
dc.rights	© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.	en_US
dc.title	A Common Ground-type Single-Phase Dual Mode Five-Level Switched-Capacitor Transformerless Inverter
dc.type	Conference Proceeding
utslib.citation.volume	2020-March
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney
utslib.copyright.status	closed_access	*
dc.date.updated	2020-10-19T02:56:52Z
pubs.finish-date	2020-03-19
pubs.publication-status	Published
pubs.start-date	2020-03-15
pubs.volume	2020-March

Abstract:

© 2020 IEEE. This paper presents a novel dual mode five-level common ground type (5L-DM-CGT) transformerless inverter topology with a wide input range (200 V - 400 V). It consists of eight switches, one diode, two capacitors, and an LC filter at the output. The topology eliminates common mode (CM) leakage current by connecting the negative terminal of the photovoltaic (PV) directly to the neutral point of the grid, which bypasses the PV array's stray capacitance. Depending on the magnitude of the input voltage, the converter can operate in buck or boost mode to produce the same AC voltage output. The analysis shows the advantages of dual mode inverter for various industrial applications. MATLAB Simulink simulations and experimental results verify the concept of the proposed topology and control method.

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http://hdl.handle.net/10453/143360