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Transcript of A Tutorial on Hybrid Electric Vehicles: EV, HEV, PHEV · PDF fileA Tutorial on Hybrid Electric...
![Page 1: A Tutorial on Hybrid Electric Vehicles: EV, HEV, PHEV · PDF fileA Tutorial on Hybrid Electric Vehicles: ... kW/kg 30/~7.6=~3.9 20/4.8=4.2 Buck/boost converter power ... EMC and Modern](https://reader031.fdocuments.in/reader031/viewer/2022030401/5a78837f7f8b9aa2448d0948/html5/thumbnails/1.jpg)
A Tutorial on Hybrid Electric Vehicles: EV, HEV, PHEV and FCEV
• Dr. James Gover, IEEE Fellow Professor of Electrical Engineering
Kettering University
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Gasoline Prices Are Driving Commercial HEV Development
Gerhard Metschies, Pain at the Pump, Foreign Policy, July/August, 2007, p.28.
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Nations’ Fuel Standards Are Driving HEV Development
IEEE Spectrum, September, 2006.
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Power Electronics in Hybrid Vehicles
HIGH VOLTAGEBATTERY
ELECTRICDRIVE MODE
BATTERY DISCHARGE
REGENERATIVE BRAKING MODE
BATTERY CHARGE
ELECTRICDRIVE MODEBUCK-BOOST CONVERTER
REGENERATIVE BRAKING MODE
BUCK-BOOST CONVERTER
REGENERATIVE BRAKING MODE3 PHASE DIODE
RECTIFIER
ELECTRICDRIVE MODETHREE PHASE
INVERTER
DC-DC CONVERTER
MOTORINVERTER/RECTIFIER
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Energy Flow Diagram for Series PHEV
ICE
Electric
Generator
Rectifier Battery
120 Volts AC
or 240 Volts
AC External
Power Source
DC to DC
Converter
Three
Phase,
Frequency
Dependent
Inverter
Electric
MotorW
he
el
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Systems Architectures of HEVs
C.C. Chan, The State of the Art of Electric Hybrid, and Fuel Cell Vehicles, Proceedings of the IEEE, April, 2007.
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Types of EVs
Internal Combustion Engine
Belt Driven Integrated Starter Generator (ISG): 3-5kW With Idle Stop and Regenerative Braking
Integrated Starter Generator: 7-12kW With Idle Stop, Regenerative Braking & Downsized ICE
30-50 kW, 200-500 Volts With Electric Launch, Idle Stop, Regenerative Braking & Downsized ICE
Battery Powered Electric Vehicles
75-100 kW Fuel Cell Electric Vehicles
K. T. Chau and C.C. Chan, Emerging Energy-Efficient Technologies for Hybrid Electric Vehicles, Proceedings of the IEEE, April, 2007.
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Toyota Hybrid Roadmap
C.C. Chan, The State of the Art of Electric Hybrid, and Fuel Cell Vehicles, Proceedings of the IEEE, April, 2007.
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Characteristics of EVs, HEVs, PHEVs and FCEVs
C.C. Chan, The State of the Art of Electric Hybrid, and Fuel Cell Vehicles, Proceedings of the IEEE, April, 2007.
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Integrated Starter-Generator Based 42 Volt System
Ali Emadi, Kauskik Rajashekara, Sheldon Wiliamson and Srdjan Lukic,Topological Overview of Hybrid Electric and Fuel Cell Vehicular Power System Architectures and Configurations, IEEE Transactions on Vehicular Technology, Vol. 54, No. 3, May 2005
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Series Hybrid System
Ali Emadi, Kauskik Rajashekara, Sheldon Wiliamson and Srdjan Lukic,Topological Overview of Hybrid Electric and Fuel Cell Vehicular Power System Architectures and Configurations, IEEE Transactions on Vehicular Technology, Vol. 54, No. 3, May 2005
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Parallel HEV DriveTrain
Ali Emadi, Kauskik Rajashekara, Sheldon Wiliamson and Srdjan Lukic,Topological Overview of Hybrid Electric and Fuel Cell Vehicular Power System Architectures and Configurations, IEEE Transactions on Vehicular Technology, Vol. 54, No. 3, May 2005
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Series/Parallel HEV Hybrid
Ali Emadi, Kauskik Rajashekara, Sheldon Wiliamson and Srdjan Lukic,Topological Overview of Hybrid Electric and Fuel Cell Vehicular Power System Architectures and Configurations, IEEE Transactions on Vehicular Technology, Vol. 54, No. 3, May 2005
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Planetary Gear Set
Mehrdad Ehsani, Yimin Gao, and John M. Miller, Hybrid Electric Vehicles: Architecture and Motor Drives, Proceedings of the IEEE, April, 2007.
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FCEV & PHEV Volt Concepts
FCEV Option
PHEV Option
Fuel Cell
Small Battery
ICE
Large Battery
Hydrogen Tanks
Fuel Tanks
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Escape Hybrid Transaxle Cut-Away
Transaxle Control
Module
Planetary Gearset
High Voltage
Connector
Stefan Pototschnik, Overview of the Ford Escape Hybrid, Sept. 12, 2006, Kettering University.
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Integration of PHEVs On Grid
Mehdi Ferdowski, Plug-in Hybrid Vehicles – A vision for the Future, 2007 IEEE VPPPC
POWER LINE TRANSIENTS
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Night Electricity Is the Fuel for PHEV
Source: EPRI
Thomas Schneider, Transportation Efficiency Through Electric Drives and the Power Grid, Capitol Hill Forum, Plug-in Hybrid Electric Vehicles: Towards Energy Independence, July 10, 2007.
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PHEV Energy Storage Used for Power Peaking
PHEV USE
Harold Adams, Planning Considerations for a Carbon Constrained Grid, 10/2007
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EPRI Assumptions for New Car US Sales
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Two Battery Types Are Preferred for Hybrid-Electric Vehicles
• Nickel Metal Hydride (NiMH)– Introduced near end of 20th century
– Similar performance to NiCad battery but its energy and power densities are higher and it charges faster
– The metals into which hydrogen is adsorbed are proprietary
– The battery cell must be sealed in order to keep air from reacting with the hydride
– Battery can require cooling if charged fast
• Lithium Ion– Introduced in early 1990s.
– Precise voltage control is needed when charging battery because if too high, battery can be damaged and if too low, battery will be undercharged
– Because of its considerable weight advantage over other battery types, it is highly attractive for future hybrid electric vehicles
– Large batteries are prohibitively expensive
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NiMH Battery Discharge Reactions
H2 + M MH2
H2 + 2OH-
2H2O + 2e-
K+
+ H2O OH-
2NiO(OH)+2H2O +2e-
2Ni(OH)2 + 2OH-
Load
Metal alloy sponge that absorbs and then gives back hydrogen
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Charge Flow in Li-Ion Battery
Steven Vance, Parallel-Cell Connection in Lithium-Ion Battery, Kettering University Senior Thesis, 12/08
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Hysteresis Effect in NiMH Battery Cell
Steven Vance, Parallel-Cell Connection in Lithium-Ion Battery, Kettering University Senior Thesis, 12/08
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Comparison of Performance of Battery Types Used in HEV
Andrew F. Burke, Batteries and Ultracapacitors for Electric, Hybrid, and Fuel Cell Vehicles, Proceedings of the IEEE,April, 2007.
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Battery Power as Function of Temperature
Steven Vance, Parallel-Cell Connection in Lithium-Ion Battery, Kettering UniversitySenior Thesis, 12/08
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Effect of Temperature on NiMH Battery Performance
L. Serraro, Z. Chehab, Y. Guezennec and G. Rizzoni, An Aging Model fo NI-MH Batteries for Hybrid Electric Vehicles, IEEE VTS Vehicle Power and Propulsion Conference, July, 2005.
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Dependence of NiMH Cycle Life on Depth of Discharge
L. Serraro, Z. Chehab, Y. Guezennec and G. Rizzoni, An Aging Model fo NI-MH Batteries for Hybrid Electric Vehicles, IEEE VTS Vehicle Power and Propulsion Conference, July, 2005.
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Ultracapacitors Reduce Battery Surge Currents and Increase Battery Life
Andrew F. Burke, Batteries and Ultracapacitors for Electric, Hybrid, and Fuel Cell Vehicles, Proceedings of the IEEE,April, 2007.
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Packaging of Prius Power Electronics
Staunton, Ayers, Marlino, Chiasson,& Burress, Evaluation of 2004 Toyota Prius Hybrid Electric Drive System, ORNL/TM-2006/423, May, 2006.
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Buck-Boost DC-DC Converter-Continuous Mode
Switch Closed Switch Open
f
RDL
RCf
D
V
V
D
D
V
V
o
o
s
o
2
)1(
1
2
min
Hart, p. 201
Note Ripple
Voltage
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Inverter Schematic
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Low Voltage Battery, High Voltage Fuel Cell
Sih-sheng Lai and Douglas J. Nelson, Energy Management in Hybrid Electric and Fuel Cell Vehicles,
Proceedings of the IEEE, April, 2007.
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Low Voltage Fuel Cell, High Voltage Battery
Sih-sheng Lai and Douglas J. Nelson, Energy Management in Hybrid Electric and Fuel Cell Vehicles,
Proceedings of the IEEE, April, 2007.
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Prius Inverter IGBT/Diode Package
Staunton, Ayers, Marlino, Chiasson,& Burress, Evaluation of 2004 Toyota Prius Hybrid Electric Drive System, ORNL/TM-2006/423, May, 2006.
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Time Dependence of IGBT Switch Turn-Off
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Switching Losses
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Heat Removal Mechanisms from Chip Without Special Cooling
PRINTED WIRING BOARD
HEAT SINKSUBSTRATE
CHIP
CONVECTION
CONDUCTION
RADIATION
In ICs with conventional packaging, the heat generation is at the top surface
of the chip.
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Prius Inverter IGBT/Diode Package
Staunton, Ayers, Marlino, Chiasson,& Burress, Evaluation of 2004 Toyota Prius Hybrid Electric Drive System, ORNL/TM-2006/423, May, 2006.
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IGBT-Diode Pair
Staunton, Ayers, Marlino, Chiasson,& Burress, Evaluation of 2004 Toyota Prius Hybrid Electric Drive System, ORNL/TM-2006/423, May, 2006.
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Overview of Packaging in Prius Inverter/Converter
Staunton, Ayers, Marlino, Chiasson,& Burress, Evaluation of 2004 Toyota Prius Hybrid Electric Drive System, ORNL/TM-2006/423, May, 2006.
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Toyota Camry Hybrid Integrated Power Module
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Camry HEV Inverters with Top Circuit Board and Side Housing Removed
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Toyota HEV Packaging Innovation: Comparison of Prius and Camry
Inverters and Converters
Parameter Camry Prius
Motor inverter peak specific power
(without converter), kW/kg 105/~7.5=~14 50/8.8= 5.7
Motor inverter peak power density
(without converter), kW/L 105/~6 =~17.5 50/8.7=5.7
Buck/boost converter specific power,
kW/kg 30/~7.6=~3.9 20/4.8=4.2
Buck/boost converter power density,
kW/L 30/2.9=10 20/5.9=3.41
1 This low converter power density is largely the result of the non-optimal packaging of
the converter filter capacitor in the Prius inverter/converter housing
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Toyota Electric Drive Innovation: Prius Combined Inverter/Motor Efficiency
Map
Staunton, Ayers, Marlino, Chiasson,& Burress, Evaluation of 2004 Toyota Prius Hybrid Electric Drive System, ORNL/TM-2006/423, May, 2006.
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Three Dimensions of Power Electronics Design
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Steady Innovation Stream for IGBTs
Z. John Chen and Ichiro Omura, Power Semiconductor Devices for Hybrid, Electric and Fuel Cell Vehicles, Proceedings of the IEEE, April, 2007.
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Evolution of Power Packaging Technology
Z. John Chen and Ichiro Omura, Power Semiconductor Devices for Hybrid, Electric and Fuel Cell Vehicles, Proceedings of the IEEE, April, 2007.
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Cross-Section of Normally-On Ion-Implanted SiC VJFET.
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0.19 Square Cm VJFETs Fabricated on a 3-Inch 4H-SiC Wafer
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Power Electronics Noise in Hybrid Vehicles
HIGH VOLTAGEBATTERY
ELECTRICDRIVE MODE
BATTERY DISCHARGE
REGENERATIVE BRAKING MODE
BATTERY CHARGE
ELECTRICDRIVE MODEBUCK-BOOST CONVERTER
REGENERATIVE BRAKING MODE
BUCK-BOOST CONVERTER
REGENERATIVE BRAKING MODE3 PHASE DIODE
RECTIFIER
ELECTRICDRIVE MODETHREE PHASE
INVERTER
DC-DC CONVERTER
MOTORINVERTER/RECTIFIER
NOISE SOURCES
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Inverter Common Mode Noise
Firuz Zare, EMC and Modern Power Electronics, Tutorial, 2007 IEEE International Symposium on EMC
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Noise Spectrum Due to IGBT or MOSFET Switching in Power
Electronics
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T
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nSin
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Frequency Spectrum of an Ideal Trapezoid Signal
Trapezoid signal amplitude = 1, Frequency = 20kHz, Rise time = Fall time = 400ns = tau, full width at half max of current = 25 microseconds = t0.
F. Costa and D. Magnon, Graphical Analysis of the Spectra of EMI Sources in Power Electronics, IEEE Transactions on Power Electronics, Vol. 20, No. 6, Nov. 2005.
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Electrical Behavior of Ball Bearings
Firuz Zare, EMC and Modern Power Electronics, Tutorial, 2007 IEEE International Symposium on EMC
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Effects of Inverter Generated Common Mode
Noise on Motors
• Leakage Currents or Bearing Current Going to Ground Through Stray Capacitance Between Stator and Rotor Can Create Skin Currents on Auto Body. (Very low impedance at high frequency.)
– Want CM return currents to flow on cable shield so no external electromagnetic field generated.
• Shortened Insulation Lifetime of Stator Windings.
• Pitting of Bearings.