1. The Electric Car Progress Report Team Members: Keith Kolkebeck Ben McGrath Mike Rehrman http://ece.drexel.edu/ev/

2. Overview Car relocationCar relocation High Voltage SystemHigh Voltage System Low Voltage SystemLow Voltage System BatteriesBatteries E-meterE-meter Future PlansFuture Plans

3. High Voltage System Assessment of the existing systemAssessment of the existing system Trace the original wiringTrace the original wiring Sketch the wiringSketch the wiring Locate a good reference diagramLocate a good reference diagram

4. High Voltage Diagram

5. High Voltage Sketch

6. Components 10 12-Volt batteries10 12-Volt batteries DC-Motor w/ Motor ControllerDC-Motor w/ Motor Controller PotboxPotbox 30A Breaker30A Breaker Charger 120-volt, 20-ampCharger 120-volt, 20-amp ContactorContactor E-meter with ShuntE-meter with Shunt

7. Batteries Possible problemsPossible problems –Unable to be charge –Location Will attempt to chargeWill attempt to charge Alternative is the Electrosource Lockheed batteries or new batteriesAlternative is the Electrosource Lockheed batteries or new batteries

8. Low Voltage System Originally wired improperlyOriginally wired improperly Began to rewireBegan to rewire Extra safety with 2 relaysExtra safety with 2 relays –Key switch relay –Potbox relay Will tie in with OEM 12-volt systemWill tie in with OEM 12-volt system

9. Low Voltage Diagram

10. Components DC-to-DC converterDC-to-DC converter 12-Volt auxiliary battery12-Volt auxiliary battery Vacuum pump w/ switchVacuum pump w/ switch OEM 12-volt electrical systemOEM 12-volt electrical system Ignition SwitchIgnition Switch Key switch/potbox relaysKey switch/potbox relays Indicator LightsIndicator Lights Analog Voltmeter and AmmeterAnalog Voltmeter and Ammeter

11. Work Completed Removed all low voltage wires and componentsRemoved all low voltage wires and components Started the low voltage rewireStarted the low voltage rewire Sketched high voltage systemSketched high voltage system Tested key switch/potbox relaysTested key switch/potbox relays Tested batteries for a chargeTested batteries for a charge

12. E-Meter Testing SunDragon V used for testingSunDragon V used for testing Configured with 100V prescalerConfigured with 100V prescaler SunDragon measurementsSunDragon measurements –84-volts –1.2 amps with blower running

13. E-meter Setup

14. E-meter Location Center of the DashboardCenter of the Dashboard Wires are in placeWires are in place

15. Serial Communication Trouble communicatingTrouble communicating –Software –Hardware Issues will be resolved early next termIssues will be resolved early next term Output: comma delimited fileOutput: comma delimited file

16. Future Work Complete rewiringComplete rewiring Attach ChargerAttach Charger Test low voltage systemTest low voltage system Attempt to charge the batteriesAttempt to charge the batteries Install E-meter w/ serial communicationInstall E-meter w/ serial communication Test CarTest Car