Marco Liserre [email protected]Politecnico di Bari, Politecnico di Bari, DEE, Power Electronics DEE, Power Electronics Research Group Research Group Power Electronics Power Electronics Research Group in Bari Research Group in Bari Marco Liserre Mercator Professor at Christian-Albrechts University of Kiel Lehrstuhl für Leistungselektronik und Elektrische Antriebe Dipartimento di Elettrotecnica ed Elettronica Politecnico di Bari Bari, Italy [email protected]
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Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre [email protected] Power Electronics Research Group in Bari Marco Liserre Mercator.
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Politecnico di Bari,Politecnico di Bari, DEE, Power Electronics Research Group DEE, Power Electronics Research Group
Power Electronic Research Group Power Electronic Research Group Collaborations
L’Aquila UniversityAalborg University (Denmark) Nottingham University (UK)Christian-Albrechts University of Kiel (Germany)Cantabria University (Spain)Alcalá University (Spain)Technical University of Catalunya (Spain)
Main research funds 2000-2008Cluster 13 P8 EMC 1.174.785 €AnsaldoBreda Spa Automatic C code generation 100.000 €Jonica Impianti power converter for WT 30.000 €
in cooperation with other groupsPON Industrial automation 635.890 €Marie Curie PhD fellowship 230.287 € Regional reaserch project on PV Reactive power control with PV systems 50.000 €
Politecnico di Bari,Politecnico di Bari, DEE, Power Electronics Research Group DEE, Power Electronics Research Group
PV converters: step-up inverter
The system consists of three dc/dc boost converters with a common point and operating as a three-phase inverter with intrinsic step-up capability. The converter obtained can invert, amplify and, where possible, regenerate bidirectional power sources such as fuel-cells, small gas turbines and photovoltaic arrays. There are two main advantages to the system: the use of only six IGBTs and small passive elements, and the fact that it does not need reverse voltage blocking capability.
Politecnico di Bari,Politecnico di Bari, DEE, Power Electronics Research Group DEE, Power Electronics Research Group
PV converters: transformerless converter
The research has been focused on transformerless photovoltaic inverter topologies for three-phase grid connection with the main focus on the safety issues that result from the lack of galvanic isolation. A common-mode model, valid at frequencies lower than 50kHz, is adopted to study the leakage current paths.
Gate driver Sensors & Protections
DSP
LCL filterNPCGrid
N
L
FilterFilterBoost without trafo FB inverterFilterPV Array
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S1 S3
S2 S4
D1 D3
D2 D4
D5
VPE Leakage circulating current
Research developed in cooperation with a PhD student working for “Electrical Energy Conversion and Condition”, European Project “MARIE CURIE: Early Stage Training Fellowships (EST)”, University of Nottingham. Local coordinator Prof. A. Dell’Aquila (€ 230.287).
Politecnico di Bari,Politecnico di Bari, DEE, Power Electronics Research Group DEE, Power Electronics Research Group
Anti-islanding algorithms
The research has been started with a deep simulation and experimental comparison of the passive and active methods used for islanding detection. Then the research has been carried out on Kalman-filter-based and wavelet-based methods for islanding detection
The research developed in cooperation with a visiting reasercher from Spain has originated the following project “Algoritmos para la detección de la condición de isla eléctrica en inversores aplicados a sistemas de generación fotovoltaica distribuida de acuerdo con la normativa europea” Coordinatore Víctor M. Moreno Sáiz, Università della Cantabria (50.000 €)
Politecnico di Bari,Politecnico di Bari, DEE, Power Electronics Research Group DEE, Power Electronics Research Group
Control of a PMSG-based wind turbine without speed sensors
The research has been started with a deep simulation comparison of the diode-bridge based and back-to-back power converters. Then it has been focused on the speed-sensorless control of generator inverter
Politecnico di Bari,Politecnico di Bari, DEE, Power Electronics Research Group DEE, Power Electronics Research Group
Power quality improvements through DPGS
Also low power PV systems can be designed to improve the power quality. They can provide grid voltage support and compensation of harmonic distortion at the point of common coupling (PCC)
Politecnico di Bari,Politecnico di Bari, DEE, Power Electronics Research Group DEE, Power Electronics Research Group
Few words about the speakerFew words about the speaker
Marco Liserre received the MSc and PhD degree in Electrical Engineering from the Polytechnic of Bari, respectively in 1998 and 2002. From January 2004 he is an assistant professor in the same university teaching courses of power electronics, industrial electronics and electrical machines. Recently his research interests are focused on industrial electronics applications to distributed power generation systems based on renewable energies. He has co-authored 116 technical papers, 28 of them in international peer-reviewed journals and 3 chapters of a book. These works have received more than 500 citations.
He has been a visiting Professor at Aalborg University (Denmark), Alcala de Henares (Spain) and he is currently Mercator Professor at Christian-Albrechts University of Kiel (Germany). He has been giving lectures in different universities and tutorials for the following conferences PESC 2008, ISIE 2008, EPE 2007, IECON 2006, ISIE 2006 and IECON 2005. From three years Marco Liserre has been teaching, with Prof. Remus Teodorescu and with Prof. Pedro Rodriguez, the Industrial PhD Course “Power Electronics for Renewable Energy Systems – in theory and practice” at Aalborg University (Denmark).Marco Liserre is a senior member of the IEEE and of the following societies: Industrial Electronics Society, Power Electronics Society and Industry Applications Society. He has served as reviewer for international conferences and journals. Within the IES he has been active as responsible of student activities, AdCom member, editor of the newsletter, responsible of region 8 membership activities. He has been involved in IEEE conferences organization in different capacities. He is an Associate Editor of the IEEE Transactions on Industrial Electronics. He is Founder and Editor-in-Chief of the IEEE Industrial Electronics Magazine. He is Founder and Chairman of the Technical Committee on Renewable Energy Systems of the IEEE Industrial Electronics Society.