Analysis and Modeling of Transformerless Photovoltaic Inverter Systems Kerekes, Tamas Faculty of Engineering, Science & Medicine at Aalborg University DENMARK

Analysis and Modeling of Transformerless Photovoltaic Inverter Systems Kerekes, Tamas Faculty of Engineering, Science & Medicine at Aalborg University DENMARK

 Dissertation submitted to the Faculty of Engineering, Science & Medicine at Aalborg University in partial fulfillment of the require-ments for the degree of Doctor of Philosophy in Electrical Engineering

 Preface
This thesis is written in the frame of two research projects: the first, entitled “Transformerlose solcelle invertere”, was financially supported by the Eltra PSO-F&U contract nr. 5780 signed between Aalborg University and Energinet in cooperation with Powerlynx A/S, now Danfoss Solar A/S. The second part of the research, entitled “Electrical energy conversion and condition-ECON2”, was supported by the EU framework entitled “Marie Curie Host Fellowships for Early Stage Researcher Train-ing”, financially supported by the EC Contract MEST-CT-2004-504243. Acknowledgements are given to Aalborg University and the above mentioned institu-tions for their financial support. The research was carried out under the supervision of Professor Remus Teodores-cu from Institute of Energy Technology (IET) at Aalborg University. My deepest gratitude goes to my supervisor for his guidance and professional support during the elaboration of the work done in this thesis. I would like to express my sincere thanks to Dr. Christian Klumpner and Dr. Mark Sumner for their guidance and support during my one-year stay at Nottingham University. I’m also grateful to Dr. Marco Liserre from Politecnico di Bari for his kindness and professional guidance during my six month stay at the Dipartimento di Elettrotecnica ed Elettronica. I would also like to thank Uffe Borup, from Danfoss Solar A/S, for participating in the steering meetings and for his active support. I want to thank to all my colleagues from Institute of Energy Technology for their friendly companionship which guided me through life at Aalborg University. Special thanks go to Dr. Pedro Rodriguez and Professor Vassilios Agelidis for their un-selfish help and moral support, during their stay at IET. Also many thanks to all my fellow PhD students, who assisted me many times and gave me support in different ways. In particular, I thank to Dezső Séra, Mihai Ciobotaru and Máthé László for their friendly help and encouragement. I would also like to thank Gerardo Vazquez from Universitat Politecnica de Catalonya for sharing his experience and time with me during his visit at IET. And, last but not least, I want to express my deepest gratitude to my wife Erzsébet Kerekes and to my entire family in Romania for the substantial and conti-nuous support which I have received during the elaboration and finalization of this work. Tamás Kerekes August 2009; Aalborg

LINK:https://vbn.aau.dk/ws/portalfiles/portal/123201790/tamas_kerekes_no_publications.pdf