Novel High Efficiency H-Bridge Transformerless Inverter for Grid-Connected Single-Phase Photovoltaic Systems

Khan, MNH; Forouzesh, M; Siwakoti, YP; Li, L

Novel High Efficiency H-Bridge Transformerless Inverter for Grid-Connected Single-Phase Photovoltaic Systems

Khan, MNH

Forouzesh, M Siwakoti, YP

Li, L

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Publication Type:: Conference Proceeding
Citation:: 2018 IEEE Region 10 Symposium, Tensymp 2018, 2018, pp. 95 - 99
Issue Date:: 2018-07-02

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Field	Value	Language
dc.contributor.author	Khan, MNH https://orcid.org/0000-0002-5936-3637	en_US
dc.contributor.author	Forouzesh, M	en_US
dc.contributor.author	Siwakoti, YP https://orcid.org/0000-0002-3869-412X	en_US
dc.contributor.author	Li, L https://orcid.org/0000-0001-8485-2216	en_US
dc.date.issued	2018-07-02	en_US
dc.identifier.citation	2018 IEEE Region 10 Symposium, Tensymp 2018, 2018, pp. 95 - 99	en_US
dc.identifier.isbn	9781538669891	en_US
dc.identifier.uri	http://hdl.handle.net/10453/134642
dc.description.abstract	© 2018 IEEE. This paper proposes a new H-bridge type transformerless inverter for grid-connected photovoltaic (PV) application. The proposed H-bridge zero voltage switch controlled rectifier (HB-ZVSCR) inverter uses additional switches and diodes at the AC side with voltage clamping feature to the DC midpoint. Main characteristics of the proposed inverter are the high conversion efficiency and low leakage current, which make it a suitable candidate for grid-connected PV applications. The analysis and operating principles of the proposed inverter are discussed in details. This theoretical findings has been simulated using PLECS software to verify the common mode voltage (CMV) and leakage current behaviors and the results are compared with similar existing midpoint voltage clamping inverter topologies (i.e. HB-ZVR and HB-ZVR-D). Furthermore, power loss and efficiency of the proposed inverter have been evaluated and compared with existing topologies.	en_US
dc.relation.ispartof	2018 IEEE Region 10 Symposium, Tensymp 2018	en_US
dc.relation.isbasedon	10.1109/TENCONSpring.2018.8692008	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Novel High Efficiency H-Bridge Transformerless Inverter for Grid-Connected Single-Phase Photovoltaic Systems	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
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
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US

Abstract:

© 2018 IEEE. This paper proposes a new H-bridge type transformerless inverter for grid-connected photovoltaic (PV) application. The proposed H-bridge zero voltage switch controlled rectifier (HB-ZVSCR) inverter uses additional switches and diodes at the AC side with voltage clamping feature to the DC midpoint. Main characteristics of the proposed inverter are the high conversion efficiency and low leakage current, which make it a suitable candidate for grid-connected PV applications. The analysis and operating principles of the proposed inverter are discussed in details. This theoretical findings has been simulated using PLECS software to verify the common mode voltage (CMV) and leakage current behaviors and the results are compared with similar existing midpoint voltage clamping inverter topologies (i.e. HB-ZVR and HB-ZVR-D). Furthermore, power loss and efficiency of the proposed inverter have been evaluated and compared with existing topologies.

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http://hdl.handle.net/10453/134642