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Published byEdward Wilson Modified over 9 years ago
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Oregon State University Solar Vehicle Team
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Solar Car Electrical Architecture “Where does the electricity come from and go to?”
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High Voltage Architecture Array (~120VDC, 4.5A, x2) Umbilical DC-DC buck converter, MPPT power optimizer x 2 NGM EVC402 motor controller 103V, 200A Contactor and Sense Module (CSM) A123 System LiFePO 4 battery 103VDC, 40AH NGM SC-M150 hub motor Battery Management System (BMS) Throttle Brakes
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Low Voltage Architecture 12V Aux Packs Main Power Switch Main Power Hub 103V to 12V DC/DC 103 VDC From HV bus Main PC with USB hub LCD touch screen A123 System BMS (USB to CAN interface) Body Control Module Rear view camera GPS Data Telemetry
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Circuit Protection Fuses (over current) Diodes (reverse current) Metal Oxide Varistors - MOV (over voltage) In series with circuit In parallel with circuit
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Typical Circuit Protection Layout
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