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Single-phase transformerless PV inverter topology with AC bypass and mid-DC-link voltage clamping

Orfanoudakis, G. I, Sharkh, S. M, Koutroulis Eftychios, Yuratich, M. A

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URIhttp://purl.tuc.gr/dl/dias/C86A15E9-EEFA-408A-A16F-B16F0554CE76-
Αναγνωριστικόhttp://ieeexplore.ieee.org/document/8098973/-
Αναγνωριστικόhttps://doi.org/10.23919/EPE17ECCEEurope.2017.8098973-
Γλώσσαen-
ΤίτλοςSingle-phase transformerless PV inverter topology with AC bypass and mid-DC-link voltage clampingen
ΔημιουργόςOrfanoudakis, G. Ien
ΔημιουργόςSharkh, S. Men
ΔημιουργόςKoutroulis Eftychiosen
ΔημιουργόςΚουτρουλης Ευτυχιοςel
ΔημιουργόςYuratich, M. Aen
ΕκδότηςInstitute of Electrical and Electronics Engineersen
ΠερίληψηTransformerless PV inverters are known to generate undesirable ground leakage currents due to the lack of galvanic isolation between the PV array and the electric grid. This paper initially discusses the different types of transformerless PV inverter topologies that have been proposed to overcome this problem. It then proposes a new topology, which extends the commercially successful HERIC inverter with the addition of a mid-DC-link clamping configuration. Such configurations are known to cause a highly desirable reduction of the ground leakage currents, which is demonstrated through simulation results from MATLAB-Simulink and PLECS. The proposed topology is finally compared to other transformerless topologies with respect to other aspects, such as efficiency and component count.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2018-03-16-
Ημερομηνία Δημοσίευσης2017-
Θεματική ΚατηγορίαConverter circuiten
Θεματική ΚατηγορίαPhotovoltaicen
Θεματική ΚατηγορίαSolar cell systemen
Θεματική ΚατηγορίαSustainable system/technologyen
Θεματική ΚατηγορίαVSIen
Θεματική ΚατηγορίαVoltage source invertersen
Βιβλιογραφική ΑναφοράG. I. Orfanoudakis, S. M. Sharkh, E. Koutroulis and M. A. Yuratich, "Single-phase transformerless PV inverter topology with AC bypass and mid-DC-link voltage clamping," in 19th European Conference on Power Electronics and Applications, 2017. doi:10.23919/EPE17ECCEEurope.2017.8098973en

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