Design Review

Team 70 Electric Vehicle

•Independently controlled rear drivetrain

•Estimated 12.8 KWh power

•Twin 30 HP induction motors

•Three subsystems• Battery Management• Power Components• Controls

Temperature Management

Voltage and Current Management

Pack Balancing

Series Lithium Iron Phosphate Cells

Weight Distribution

Battery Management Subsystem

230 VAC Fuji VFDs

230 VAC Baldor motors

Precharge Circuit◦ Contactors◦ Resistors

Power Component Subsystem

Controls the VFDs Takes in sensor inputs EtherNet/IP 256 digital I/O Add-on modules Industrial reliability UI

Uses LadderLogic programming Simple to use, but very powerful Implement boolean algebra, counters, if statements, etc

Controls Subsystem

Micrologix 1400 PLC

S = X AND (Y OR Z)

http://www.ab.com/en/epub/catalogs/12762/2181376/2416247/9071972/9072580/

Liquid cooling or heat sink/air cool? Obtain proper lab equipment Power transmission Sensors: Buy or Build (speed sensors)

Questions/Concerns