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Extended Boost PV inverter topology for the reduction of common-mode leakage current in three-phase applications

Orfanoudakis, Georgios I, Koutroulis Eftychios, Yuratich, Michael A, Sharkh, S. M

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/CB36E953-D8F0-4DA7-ABE5-1F5C83A616C3-
Αναγνωριστικόhttps://doi.org/10.23919/EPE20ECCEEurope43536.2020.9215790-
Αναγνωριστικόhttps://ieeexplore.ieee.org/document/9215790-
Γλώσσαen-
Μέγεθος10 pagesen
ΤίτλοςExtended Boost PV inverter topology for the reduction of common-mode leakage current in three-phase applicationsen
ΔημιουργόςOrfanoudakis, Georgios Ien
ΔημιουργόςKoutroulis Eftychiosen
ΔημιουργόςΚουτρουλης Ευτυχιοςel
ΔημιουργόςYuratich, Michael Aen
ΔημιουργόςSharkh, S. Men
ΕκδότηςInstitute of Electrical and Electronics Engineersen
ΠερίληψηPhotovoltaic (PV) inverters must not generate high levels of common-mode (CM) ground leakage currents, which may flow due to fast variations in their CM voltage. Moreover, a highly desirable feature for PV inverters is their voltage step-up capability, which enables operation with lower DC input voltage levels, thus extending energy harvesting over wider solar irradiance and temperature ranges. This paper presents a new three-phase Boost PV inverter topology and its modulation strategy, designed based on a new concept for suppressing CM leakage currents in three-phase PV inverters. In contrast to past-proposed three-phase step-up topologies, the proposed PV inverter uses a modified Boost converter instead of a transformerless inverter, as well as a modulation strategy generating high-quality PWM voltage. Due to their combined characteristics, the variation of the CM voltage generated by the proposed PV inverter is minimized, which radically improves its CM current suppressing capability. The structure and operating principle of the proposed topology are presented, and its effectiveness with respect to CM current suppression is demonstrated through simulation results in MATLAB/Simulink.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2022-05-03-
Ημερομηνία Δημοσίευσης2020-
Θεματική ΚατηγορίαCommon-mode currenten
Θεματική ΚατηγορίαGround leakage currenten
Θεματική ΚατηγορίαBoost inverteren
Θεματική ΚατηγορίαStep-up inverteren
Θεματική ΚατηγορίαTransformerlessen
Θεματική ΚατηγορίαPV inverteren
Βιβλιογραφική ΑναφοράG. I. Orfanoudakis, E. Koutroulis, M. A. Yuratich and S. M. Sharkh, "Extended Boost PV inverter topology for the reduction of common-mode leakage current in three-phase applications," in 2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe), Lyon, France, 2020, pp. 1-10, doi: 10.23919/EPE20ECCEEurope43536.2020.9215790.en

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