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Identification of “trouble maker(s)” caused by the PLL in multi-paralleled inverters systems

Cheng Yanqi, Wu Weimin, Huang Min, Blaabjerg, Frede, 1963-, Koutroulis Eftychios, Chung Henry

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/3295DE10-0910-426F-A584-6185E72A89B9-
Αναγνωριστικόhttps://doi.org/10.1109/APEC43599.2022.9773727-
Αναγνωριστικόhttps://ieeexplore.ieee.org/document/9773727-
Γλώσσαen-
Μέγεθος4 pagesen
ΤίτλοςIdentification of “trouble maker(s)” caused by the PLL in multi-paralleled inverters systemsen
ΔημιουργόςCheng Yanqien
ΔημιουργόςWu Weiminen
ΔημιουργόςHuang Minen
ΔημιουργόςBlaabjerg, Frede, 1963-en
ΔημιουργόςKoutroulis Eftychiosen
ΔημιουργόςΚουτρουλης Ευτυχιοςel
ΔημιουργόςChung Henryen
ΕκδότηςInstitute of Electrical and Electronics Engineersen
ΠεριγραφήThis work was performed within the framework of the project “eSOLAR: Principle and Control of High-Efficiency Buck-Boost Type Photovoltaic Inverter” of the program Bilateral and Multilateral Research and Technology cooperation between Greece and China, funded by the Operational Program Competitiveness, Entrepreneurship and Innovation 2014-2020 (co-funded by the European Regional Development Fund) and managed by the General Secretariat of Research and Technology, Ministry of Education, Research, and Religious Affairs, Greece, under project eSOLAR/T71KI-00066.en
ΠερίληψηIn this paper, it is shown that in multi-paralleled inverters power systems, when the internal instability which is caused by an improperly designed phase-locked loop (PLL) takes place, the root mean square (RMS) value of the grid-injected current at the fundamental frequency of the “trouble maker(s)” will be lower than its reference value. The theoretical analysis is first carried out in details. Then, a diagnosis method is proposed to detect the exact “trouble maker(s)” and the PLL bandwidth of the “trouble maker(s)” can be adjusted online to continue injecting energy into the power grid. Finally, experimental results are presented, which verify the effectiveness of the proposed method.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2024-08-23-
Ημερομηνία Δημοσίευσης2022-
Θεματική ΚατηγορίαGrid-connected DC/AC inverteren
Θεματική ΚατηγορίαMulti-paralleled invertersen
Θεματική ΚατηγορίαAuto-identification methoden
Θεματική ΚατηγορίαLCL-filteren
Βιβλιογραφική ΑναφοράY. Cheng, W. Wu, M. Huang, F. Blaabjerg, E. Koutroulis and H. Chung, "Identification of “trouble maker(s)” caused by the PLL in multi-paralleled inverters systems," in Proceedings of the 2022 IEEE Applied Power Electronics Conference and Exposition (APEC 2022), Houston, TX, USA, 2022, pp. 753-756, doi: 10.1109/APEC43599.2022.9773727.en

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