i-miev vs tesla s pack dcqc contactors

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kiev

Well-known member
Joined
May 3, 2015
Messages
2,242
Location
The Heart o' Dixie
From reviewing schematics to compare and contrast:

Both packs have two main contactors inside the pack for the B+ and B- buss lines.

The 'i' uses two dcqc contactors inside the pack to route to both the B+ and B- sides of the pack directly and independently of the main contactors. The main contactors do not have to be energized for the dc current to flow into the pack. (2 contactors for dcqc)

The 'S' uses two supercharger contactors outside the pack located in a box under the rear seat to route both + and - lines to the main pack connector. The main contactors are in series with these contactors and must also be energized to allow charging. (4 contactors for dcqc)

The S contactors are CAN controlled through the onboard charger whereas the 'i' contactors have the 12v coil control wires under the rear seat.

Just some notes for looking at a DIY chademo/range extender solution, or for using the 'i' as a home/portable power supply.
 
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