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Electric Vehicle Traction and Accessory Battery Chargers North Bay Chapter of the Electric Auto Association nbeaa Updat PowerPoint Presentation
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Electric Vehicle Traction and Accessory Battery Chargers North Bay Chapter of the Electric Auto Association www.nbeaa.org Updated 9/11/09 Posted at: http://www.nbeaa.org/presentations/chargers.pdf NBEAA 2009 Technical Series 1. EV Drive Systems 2. EV Batteries

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slide1

Electric Vehicle Traction and Accessory Battery Chargers

North Bay Chapter of the Electric Auto Association

www.nbeaa.org

Updated 9/11/09

Posted at:http://www.nbeaa.org/presentations/chargers.pdf

slide2

NBEAA 2009 Technical Series

1. EV Drive Systems

2. EV Batteries

TODAY >> 3. EV Charging Systems

4. EV Donor Vehicles

slide3

Agenda

Charger Block Diagrams

On-Board vs. Off-Board Chargers

Voltage Regulation and Current Limiting

Outlet Power

Power Factor Correction

Isolation

Temperature Compensation

Cooling

Durability

Over-Voltage, -Current and -Temperature Protection

Electro-Magnetic Interference

Traction Battery Charger Comparison

Accessory Battery Charger Comparison

Testimonials, Show-and- Tells, and Test Drives

slide5

On-Board vs. Off-Board Chargers

Lester Off-Board Traction and Accessory Battery Chargers

Zivan On-Board Traction Battery Charger

Iota On-Board Accessory Battery Charger – AKA DC-DC, AC-DC Converter

slide6

Voltage Regulation and Current Limiting

Source: Charging Dynasty Valve Regulated Lead Acid Batteries, http://www.cdtechno.com/custserv/pdf/2128.pdf.

slide9

Temperature Compensation

Source: Thermal Runaway in VRLA Batteries – It’s Cause and Prevention, http://www.cdtechno.com/custserv/pdf/7944.pdf.

slide10

Isolation

See White Board

slide11

Cooling

See White Board

slide12

Durability

See White Board

slide15

Traction Battery Charger Comparison

http://www.nbeaa.org/presentations/chargers.htm

slide16

Accessory Battery Charger Comparison

http://www.nbeaa.org/presentations/dcdc_converters.htm