Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 Yi Lu – China – S1 – Paper 0693 A Universial Power Electronic Interface for Distributed Generation and Electric Vehicles Y. Lu 1, X. M. Huang 1, Q. H. Wu 2 1 Zhejiang Electric Power Test and Research Institute, Hangzhou, China 2 Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool, UK
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 The Motive The Approach Circuit Topology Control System The Prototype and Test Results Acknowledgments Yi Lu – China – S1 – Paper 0693 Outline
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 Yi Lu – China – S1 – Paper 0693 Electric Vehicles DG Impact on demand control Unpredictability115 Charging Stations 20,200 Charging Spots Estimated over 10,000 10,000 EV Users 1 million Home PV 1 MW Small Wind turbines 10 to 20 DG demonstration projects require reactive power support high harmonics
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 Yi Lu – China – S1 – Paper 0693 Local Utility AC network Consumer AC Network The Power Electronic Interface DC Q P DG Units The Approach
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 Yi Lu – China – S1 – Paper 0693 Main parameters Real power: 50kW Reactive power: ±50kvar AC input Volt.:380±15% Input freq.: 50Hz±15% DC current ripple: ≤1% Max. efficiency: ≥93% Circuit Topology
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 Control System Yi Lu – China – S1 – Paper 0693
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 Yi Lu – China – S1 – Paper 0693 The Prototype & Test Results The protype is yet to be field tested in the Haiyan Smart Grid pilot project
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 Very grateful to the Zhejiang Electric Power Corporation of the State Grid for supporting the research through project “The Key Technologies in a Smart Distribution Grid” (Contract No. ZDK ) and for allowing this paper to be published. Yi Lu – China – S1 – Paper 0693 Acknowledgements