Frankfurt (Germany), 6-9 June 2011 Frankfurt, 6-9 June 2011 Yi Lu – China – S1 – Paper 0693 A Universial Power Electronic Interface for Distributed Generation and Electric Vehicles Y. Lu Y. Lu 1 1 , , X. M. Huang X. M. Huang 1 , Q. H. Wu , 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
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Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011 Yi Lu – China – S1 – Paper 0693 A Universial Power Electronic Interface for Distributed Generation.
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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. LuY. Lu11,, X. M. Huang X. M. Huang11, Q. H. Wu, Q. H. Wu22
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
Unpredictability
115 115 Charging Stations
20,200 20,200 Charging Spots
Estimated over
10,000 10,000 EV Users
1 million 1 million Home PV
1 MW 1 MW Small Wind turbines
10 to 20 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 NetworkThe Power Electronic InterfaceThe Power Electronic Interface
DC
DC
QQPP
DG Units
The Approach
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011
Yi Lu – China – S1 – Paper 0693
U
V
W
N
A
B
C
N
DC+
DC-
USM CSM
EVMMain
M
ain
p
ara
mete
rs
para
mete
rs
Real power: 50kW
Reactive power: ±50kvar
AC input Volt.:380±15%
Input freq.: 50Hz±15%
DC current ripple: ≤1%
Max. efficiency: ≥93%
321
Circuit Topology
Frankfurt (Germany), 6-9 June 2011Frankfurt, 6-9 June 2011
Control System
Electric vehicle battery
DC/AC DC/DC
AC Breaker
DC Breaker
DC Fuse
AC/DC
AC Breaker
BMS
UPIController
UPI
Distribution system
CAN
Battery information
Grid side data
Ethernet
Rear control
Consumer network
Consumer side data
232
HMI
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. ZDK082-2010) and for allowing this paper to be published.