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Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre Power Electronics Research Group in Bari Marco Liserre Mercator.

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Presentation on theme: "Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre Power Electronics Research Group in Bari Marco Liserre Mercator."— Presentation transcript:

1 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Power Electronics 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 liserre@poliba.it

2 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Il Politecnico di Bari

3 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Politecnico di Bari Bari Foggia Architecture faculty 1500 students Engineering Faculty 10000 students De' remi facemmo ali Dante Alighieri Divina Commedia Canto XXVI, verso 125 ++= 10 Departments Taranto

4 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Department of Electric and Electronic Engineering

5 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Department of Electric and Electronic Engineering Head: Prof. B. Turchiano 80 professors 40 PhD students 9 scientific groups (the Power Electronic Research group is part of ING-IND/32 Converter, Electrical Machines and Drives) 27 laboratories

6 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org The Power Electronic Research Group The Power Electronic Research Group

7 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Power Electronic Research Group Researchers Professors2 PhD students3 Post-doc reaserchers2 Assistant reasercher1 Research activities A. Multilevel converters: modulation and control B. Three-phase active rectifiers C. Power quality assessment criteria and active compensation systems D. Power converters for distributed power generation systems

8 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Power Electronic Research Group Collaborations LAquila University Aalborg University (Denmark) Nottingham University (UK) Christian-Albrechts University of Kiel (Germany) Cantabria University (Spain) Alcalá University (Spain) Technical University of Catalunya (Spain) Publications 2000-2008 Journal papers 30 Conference papers120 Book chapters 4 PhD thesis 6 Main research funds 2000-2008 Cluster 13 P8EMC 1.174.785 AnsaldoBreda Spa Automatic C code generation 100.000 Jonica Impiantipower converter for WT 30.000 in cooperation with other groups PONIndustrial automation 635.890 Marie CuriePhD fellowship 230.287 Regional reaserch project on PVReactive power control with PV systems 50.000

9 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Research activities Research activities

10 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org A.Multilevel converters: modulation and control PI-based and passivity-based control of H-Bridges multilevel converters Back-to-back drives for traction systems Multilevel modulations and their implementation on FPGA systems

11 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org B.Three-phase active rectifiers LCL-filter design and passive/active damping of control loops Back-to-back drive with reduced energy storage Fuzzy-sensorless control for low-cost microcontrollers

12 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org C.Power quality assessment criteria and active compensation systems New power quality assessment criteria for non- linear loads Predictive, fuzzy and fuzzy-predictive controls of active filters Optimal tuning of active power filters via genetic algorithms and Nelder-Mead method

13 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org D.Power converters for distributed power generation systems PV and WT simulators PV converters Anti-islanding methods Control of a PMSG-based wind turbine without speed sensors Power quality improvements through DPGS Projects involving companies: a regional research project in the field of PV-systems: reactive power control has been tested (Rienergia company involved) a project with Jonica Impianti company to build the converter for a small WT

14 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Photovoltaic system emulator Aims: to create a realistic test bench for photovoltaic inverter To predict MPPT and other control algorithms behavior when the inverter is installed Items: 2 software: Sun simulator and Solar panel simulator Hardware: Dc source simulator of temperature and irradiation simulator of photovoltaic panel MPPT Photovoltaic system emulator dc source inverter grid SUN SIMULATOR SOLAR PANEL SIMULATOR System under test

15 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org

16 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Hardware of the photovoltaic system emulator load inverter Inverter control Meas. filter Phtovoltaic system emulator

17 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org

18 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org only changing the parameters of the controllers Wind emulator It controls a motor to act as the blades and gearbox of a wind turbine. The motor is directly coupled to the generator and power converter under test

19 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org 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.

20 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org 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. 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. DellAquila ( 230.287).

21 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org 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 )

22 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org 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

23 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org 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)

24 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Measures P2 Q2 V2 Measures P1 Q1 V1 Control signal MT/bt Control system Q2 Regional research project in the field of PV-systems

25 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Industrial project to build the converter for a small WT

26 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Laboratory equipment Laboratory equipment

27 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org dSpace boards8 Danfoss inverters with Aalborg cards10 Acquistion boards for voltage and currents20 National Instruments acquistion boards2 oscilloscopes7 Microcontrollers boards6 5 kW induction motor drives4 2 kWPMSM drives2 9 kVA ac power supplies1 1.5 kVA dc power supplies2 EMI receiver1 Laboratory Equipment

28 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Laboratory Equipment dSpace dsp Texas

29 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Laboratory equipment

30 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org You are welcome to visit us ! Visiting Msc students from Netherlands Visiting PhD student from Denmark Many other have visited us from other European university

31 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.orgBariTrani Castel del monte

32 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Few 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.

33 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org Industrial/Ph.D. Course in Power Electronics for Renewable Energy Systems – in theory and practice R. Teodorescu, P. Rodriguez, M. Liserre, J. M. Guerrero Aalborg University, Denmark Green Power Converter Research Group

34 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org

35 Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre liserre@ieee.org


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