Buja Bertoluzzo on Battery charger for electric vehicles delivered at BIN@Sheffield

1. Manuele Bertoluzzo, Assistant Professor
Roberto Menis, Associate Professor (collaborator)
Simone Castellan, Assistant Professor (collaborator)
Ritesh Keshri, Assistant Professor (collaborator)
Kishore Naik Mude, Ph.D. student
Kundan Kumar, Ph.D. student
Syamnaresh Garlapati, Ph.D. student
Hemant Dashora, Ph.D. student
Cristian Fontana, Ph.D. student
Laboratory of Electric Systems for Automotive and Automation
Department of Industrial Engineering, University of Padova
Via Gradenigo 6/a, 35131 Padova, Italy
Head of the Lab: Giuseppe Buja, Full Professor giuseppe.buja@unipd.it
Battery charger for electric vehicles

2. Lab mission and vision
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•Toservethescientificandsocialcommunitywithstate-of-art,eco- friendlyandcost-effectivesolutionstoautomotiveandelectricindustry.
•TotutorPhDstudentstowardsresearchactivitiesthatputinnovationinproductsandprocesses.
•Totraingraduatestothemarkofpresentandfuturerequirementsofindustryandacademia.

3. BIN Sheffield, November 2014 3
Lab research area, objective and methodology
Power and industrial electronics as enabling technologies for electric vehicle dissemination and renewable energy exploitation
Design and development of static converters, electric drives, and control/fieldbus units
Use of techniques, technologies and instruments of electrotechnics, electronics and informatics
Research applicative sectors
Electric Vehicles
Electric Energy Systems

4. Battery charger for electric vehicles
Fast EV charging system with V2G functionalities
(integral solution, ancillary services)
Vb
ib
AC/DC
CONVERTER
vg
TRANSF.
400/400
VARIAC
+
+
+
SWM
abc ab
viab,ref
Voltage
Control
Current
Control
Vb,ref
iiab,ref
iiab
a,b Voltage
Supply
Template
Generation
vsab,t
Mode
Selection
S
a,b Current
Reference
Generation
vs
L
ib,ref
Current
Calculation
pref
vi
ii
Schematic of the charging system
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5. Battery charger for electric vehicles
Fast EV charging system with V2G functionalities
(integral solution, ancillary services)
Prototypal set-up of the charging system
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6. Battery charger for electric vehicles
Wireless battery charger
INVERTER HF
DIODE RECTIFIER
DRT
TRASMITTING COIL
RECEIVING COIL
CHOPPER
vg
iS
vR
iR
vB
iB
VDC,R
DIODE RECTIFIER
DRR
RECEIVING STAGE
+
INDUCTIVE COUPLING
TRANSMITTING STAGE
COMPENSATING
CAPACITOR CT
COMPENSATING
CAPACITOR CR
vL
iL
vT
iT
SUPPLY STAGE ENERGY TRANSFER STAGE LOAD STAGE
VDC,T vS
ECU
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Schematic of the charging system

7. Battery charger for electric vehicles
Inverter of the
transmitting stage
Rectifier and chopper
of the receiving stage
Transmitting coil
without protective cover
Prototypal set-up of the WPT system
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Wireless battery charger

8. Battery charger for electric vehicles
G.Buja, "From wired to in-moving charging of the
electric vehicles"
8
Solar panel
Energy harvesting and hibrid storage systems
Battery-supercapacitorhybrid storage system
Wheel motor

9. Ongoingresearch
•Wired, wireless and in-moving systems for electric vehicle charging
•Electric vehicle powertrain (storage devices, propulsion drives, energy management)
•Grid-connected power converters for renewable source energy injection
•Static converter-based systems for power conditioning and service quality
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10. Past projects
Electricscooter (2002)
•Lithium-ion battery
•Drive by-wire
•Wheel motor
‘“Electric” bicycle (2006)
•Fuel cell
•Electric power conditioning system
•Metal hydride canister
G.Buja, "From wired to in-moving charging of the electric
vehicles"
10

11. Thanks for the attention
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