SunSpec 4 Motor & Drive
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