As I am as yet unfamiliar with uploading images to this site, I am sending Jerry
Pohorsky and Nick Viera the two schematics I finished tonight:

EAA-PHEV PRIUS+ High Voltage Schematic
-and-
EAA-PHEV PRIUS+ Battery Tap Emulator Schematic

The emulator was drawn longhand, but the HV Schematic is clean, as I modified it
from a somewhat similar CAD-drawn schematic.

Still coming (hopefully within a week) is the EAA-PHEV PRIUS+ Low Power Control
Schematic, and some textual documentation for all of the above, including the
Toyota Battery ECU spoofing algorithm.

I believe (but will check later) I already posted generic battery
specifications. Charge control for and charge balancing of the battery will
depend on the specific battery to be used, and is left as an exercise for the
reader.

If Electro Energy decides to sell the NiMH PRIUS+ battery pack that CalCars is
jointly developing with them, a custom circuit board that will handle all these
issues will probably be made available to go with it. Other battery packs and
electronics may eventually get similar treatment.

When complete, this should be enough documentation for knowledgeable
experimenters to modify Prii into pluggable hybrids. I believe the first
experimenters could have working vehicles within the first quarter of 2006!

/ron

+++++++++++++++++++++++++++++++++++++++++
Ron Gremban, rgremban@...
California Cars Initiative, a nonprofit organization:
http://www.CalCars.org
Moderator & Technical Lead
http://www.priusplus.org
PRIUS+ PHEV Conversion Group: http://groups.yahoo.com/group/priusplus
Newsletter: http://groups.yahoo.com/group/calcars-news
Do-it-yourself PHEVs: http://www.seattleeva.org/wiki/EAA-PHEV
+++++++++++++++++++++++++++++++++++++++++



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