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Presentation DEE Power Electronics
Politecnico di Bari, DEE, Power Electronics Research Group 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 [email protected] Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Il Politecnico di Bari Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Politecnico di Bari Engineering Faculty 10000 students Foggia Architecture faculty 1500 students Bari Taranto 10 Departments = Marco Liserre De' remi facemmo ali Dante Alighieri Divina Commedia Canto XXVI, verso 125 + + [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Department of Electric and Electronic Engineering Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group 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 Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group The Power Electronic Research Group Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Power Electronic Research Group Researchers Professors PhD students Post-doc reaserchers Assistant reasercher 2 3 2 1 Research activities A. B. C. D. Multilevel converters: modulation and control Three-phase active rectifiers Power quality assessment criteria and active compensation systems Power converters for distributed power generation systems Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Power Electronic Research Group Collaborations L’Aquila 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 Conference papers Book chapters PhD thesis 30 120 4 6 Main research funds 2000-2008 Cluster 13 P8 AnsaldoBreda Spa Jonica Impianti EMC Automatic C code generation power converter for WT in cooperation with other groups PON Marie Curie Regional reaserch project on PV Marco Liserre Industrial automation PhD fellowship Reactive power control with PV systems 1.174.785 € 100.000 € 30.000 € 635.890 € 230.287 € 50.000 € [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Research activities Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group 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 Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group 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 Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group C. Power quality assessment criteria and active compensation systems New power quality assessment criteria for nonlinear loads Predictive, fuzzy and fuzzy-predictive controls of active filters Optimal tuning of active power filters via genetic algorithms and Nelder-Mead method Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group 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: Marco Liserre • 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 [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Photovoltaic system emulator SOLAR PANEL SIMULATOR SUN SIMULATOR simulator of temperature and irradiation 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 photovoltaic panel dc source MPPT inverter System under test Marco Liserre grid [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Hardware of the photovoltaic system emulator filter load inverter Meas. Phtovoltaic system emulator Marco Liserre Inverter control [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group 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 only changing the parameters of the controllers CARATTERISTICA DI CONTROLLO Confronto tensione-correntecon Velocità del vento di 12 m/s 25 6000 Va/10 ia 20 5000 15 Va [Volt], ia [Ampere] 10 Coppia [N*m] 4000 14 m/s 3000 12 m/s 2000 5 0 -5 -10 10 m/s -15 9 m/s 1000 8 m/s 4 m/s 0 0 20 40 60 80 5 m/s 100 6 m/s 120 Velocità rotore [rpm] Marco Liserre -20 7 m/s 140 160 180 200 -25 0 0.005 0.01 0.015 0.02 0.025 Tempo [s] 0.03 0.035 0.04 [email protected] Politecnico di Bari, 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. Marco Liserre [email protected] Politecnico di Bari, 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. PV Array Filter Boost without trafo Filter FB inverter S1 S5 D1 S3 Filter Grid NPC D3 LCL filter L D5 N S2 VPE D2 S4 D4 DSP Leakage circulating current Gate driver Sensors & Protections 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). Marco Liserre [email protected] Politecnico di Bari, 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 €) Marco Liserre [email protected] Politecnico di Bari, 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 speedsensorless control of generator inverter C PWM controller i i* PLL Voltage controller vdc vdc* Marco Liserre [email protected] Politecnico di Bari, 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) Iload Ig E Vg Ic’ PLL PV Vc’ + Vref Repetitive control Iref Ic’ - PI + Vpeak grid Marco Liserre + + d mppt MPPT algorithm Ipv Upv [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Regional research project in the field of PV-systems MT/bt Q2 Control signal Measures P1 Q1 V1 Measures P2 Q2 V2 Control system Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Industrial project to build the converter for a small WT SKIIP 132GD120-3DU SKIIP 132GDL120-4DU TURBINA GENERATORE misura tensione misura corrente misura tensione misura tensione AC/DC misura corrente LCL filter misura tensione RETE ELETTRICA DC/AC MOTORE DI IMBARDATA Interf inverter Interf raddrizzatore IRAMS10UP60B Interf DSP1 DSP Marco Liserre Interf chopper Interf DSP 2 DSP [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Laboratory equipment Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Laboratory Equipment dSpace boards 8 Danfoss inverters with Aalborg cards 10 Acquistion boards for voltage and currents 20 National Instruments acquistion boards 2 oscilloscopes 7 Microcontrollers boards 6 5 kW induction motor drives 4 2 kW PMSM drives 2 9 kVA ac power supplies 1 1.5 kVA dc power supplies 2 EMI receiver 1 Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Laboratory Equipment dSpace Marco Liserre dsp Texas [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Laboratory equipment Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group 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 Marco Liserre [email protected] Bari Politecnico di Bari, DEE, Power Electronics Research Group Castel del monte Marco Liserre Trani [email protected] Politecnico di Bari, DEE, Power Electronics Research Group 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. Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Green Power Converter Research Group “Industrial/Ph.D. Course in Power Electronics for Renewable Energy Systems – in theory and practice” Marco Liserre R. Teodorescu, P. Rodriguez, M. Liserre, J. M. Guerrero Aalborg University, Denmark [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre [email protected] Politecnico di Bari, DEE, Power Electronics Research Group Marco Liserre [email protected]