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Rebuilding SunSPEC 4

There was an incident involving our solar car the SunSPEC 4 which made us with no other choice but to rebuild the car from scratch. With little time at hand, the SunSPEC 4 team succeeded with rebuilding the Car and renamed it Phoenix to celebrate its rebirth

Circuit Diagram

High Voltage Supply Circuit.

Before:

After:​

S – Solar Panels
MCB - Miniature Circuit Breaker
MPPT – Maximum Power Point Tracker
HV – High Voltage Junction Box

Motor Supply Circuit:

HV – High Voltage Junction Box   

MC – Motor Controller
M – Motor

Low Voltage Supply Circuit:

HV – High Voltage Junction Box   

LV – Low Voltage Junction Box
DC/DC – Direct Current to Direct Current Converter

 

Emergency Stop Circuit:

Ext – External E-stop button       

Int – Internal E-stop Button
BMS – Battery Management System
R – Solar Panel Relay
LV – Low Voltage Junction Box

 

Lighting Circuit:

LV – Low Voltage Junction Box

Accelerator/Cruise mode Circuit:

Y – Yellow  

R – Red

G – Green

Full Circuit

Orange – High Voltage

Yellow – Low Voltage

Red – Solar Panels

Pink – Relays

Purple – MPPT

Blue – Miniature Circuit Breaker

Cyan – Motor Controller

Black – Ground 

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