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Simulation and evaluation of HERIC and H5 transformerless inverter topologies

Alzoubi, Muh'd, Amanullah, Maung Than Oo and Azad, Salahuddin 2013, Simulation and evaluation of HERIC and H5 transformerless inverter topologies, in Asia PES 2013 : Proceedings of the IASTED Power and Energy Systems 2013 international conference, ACTA Press, Calgary, Canada, pp. 212-219, doi: 10.2316/P.2013.800-101.

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Title Simulation and evaluation of HERIC and H5 transformerless inverter topologies
Author(s) Alzoubi, Muh'd
Amanullah, Maung Than Oo
Azad, Salahuddin
Conference name Power and Energy Systems. International Conference (6th : 2013 : Phuket, Thailand)
Conference location Phuket, Thailand
Conference dates 10 - 12 Apr. 2013
Title of proceedings Asia PES 2013 : Proceedings of the IASTED Power and Energy Systems 2013 international conference
Editor(s) Kaitwanidvilai, S.
Publication date 2013
Conference series Power and Energy Systems International Conference
Start page 212
End page 219
Total pages 8
Publisher ACTA Press
Place of publication Calgary, Canada
Keyword(s) transformeless inverter
leakage current
simulation
HERIC
H5 full bridge modulation
Summary Most of the inverters have an isolation transformer which prevents or limits fault current between AC and DC circuits under most fault conditions. If the transformer is excluded from the system, it would increase the PV system efficiency and decrease the size of its installations, which will lead to a lower cost for the whole investment. Thus, elimination of the transformer has to be considered carefully because a galvanic connection appears between the PV arrays and the ground in the absence of an isolation transformer. The galvanic connection causes the stray capacitance between the PV arrays structure and the ground to produce a leakage current. In this paper, a review of full bridge topology with bipolar and unipolar scheme and half bridge topology carried out in regard leakage current.in addition, HERIC and H5 topologies are simulated and leakage current in these topologies are evaluated.
ISBN 0889869596
9780889869592
Language eng
DOI 10.2316/P.2013.800-101
Field of Research 090602 Control Systems, Robotics and Automation
090607 Power and Energy Systems Engineering (excl Renewable Power)
Socio Economic Objective 850603 Energy Systems Analysis
HERDC Research category E1.1 Full written paper - refereed
Persistent URL http://hdl.handle.net/10536/DRO/DU:30063356

Document type: Conference Paper
Collection: School of Engineering
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