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Oregon State University Solar Vehicle Team

Oregon State University Solar Vehicle Team. Solar Car Electrical Architecture. “Where does the electricity come from and go to?”. High Voltage Architecture. A123 System LiFePO 4 battery 103VDC, 40AH. DC-DC buck converter, MPPT power optimizer x 2. Umbilical. Array (~120VDC, 4.5A, x2).

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Oregon State University Solar Vehicle Team

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  1. Oregon State University Solar Vehicle Team

  2. Solar Car Electrical Architecture “Where does the electricity come from and go to?”

  3. High Voltage Architecture A123 System LiFePO4 battery 103VDC, 40AH DC-DC buck converter, MPPT power optimizer x 2 Umbilical Array (~120VDC, 4.5A, x2) Battery Management System (BMS) Throttle Brakes NGM SC-M150 hub motor Contactor and Sense Module (CSM) NGM EVC402 motor controller 103V, 200A

  4. Low Voltage Architecture 103V to 12V DC/DC Main Power Hub 103 VDC From HV bus 12V Aux Packs Main Power Switch Main PC with USB hub GPS LCD touch screen Rear view camera A123 System BMS (USB to CAN interface) Body Control Module Data Telemetry

  5. Circuit Protection In series with circuit Fuses (over current) In series with circuit Diodes (reverse current) In parallel with circuit Metal Oxide Varistors - MOV (over voltage)

  6. Typical Circuit Protection Layout

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