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Hybrids-Plus

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Hybrids-Plus was a PHEV conversion system for the Toyota Prius and the Ford Escape, based in Boulder CO. EEtrex absorbed assets and took over conversions.

EEtrex formerly Image:hybridspluslogo.gif

[edit] Vehicle specs

Location of stock battery pack in a Prius. Note location of spare tire.
Location of stock battery pack in a Prius. Note location of spare tire.
Location of Hybrids-Plus battery pack in a Prius.Note that you can still reach the spare tire.
Location of Hybrids-Plus battery pack in a Prius.Note that you can still reach the spare tire.
  • Two models: Prius-15 and Prius-30
  • Pure EV range (< 34 mph): 15 miles / 30 miles
  • PHEV range (conservative driving, after full charge): 25 miles / 50 miles
  • PHEV fuel efficiency (conservative, full charge): 100 mpg
  • Adds 30 / 70 kg to vehicle mass
  • Conversion locations:
    • In place of OEM battery, and taking some of the space occupied by the black tray in trunk
    • Maintains access to spare tire, in its original location
    • Charge plug in rear bumper


[edit] Technology

Block Diagram of stock battery pack
Block Diagram of stock battery pack
Block Diagram of PHEV pack.
Block Diagram of PHEV pack.
  • Original traction pack and Battery ECU removed
  • New traction pack:
    • Iron-Phosphate LiIon - 26650 cells (same chemistry as DeWalt 36V battery packs)
    • 4.5 / 9 kWh
  • Electronics:
    • Charger:
      • 1.35 KW, 115 Vac @ 15 A
      • Non-isolated from AC-line (traction pack is isolated from rest of vehicle during charging)
      • Power Factor Controlled Step-up
      • 80% DOD to charged in 5 / 9 hours
      • Proprietary custom design
    • BMS
      • One module per set of parallel cells, with charge current pypass shunt
      • A BMS controller, powered by vehicle aux 12 V, isolated from traction pack
      • Proprietary custom design
    • Controller
      • Interfaces to BMS, charger, vehicle
      • CAN interface to the vehicle
      • Powered by vehicle aux 12 V
      • Proprietary custom design

[edit] Inverger

An Inverger is a trademark of Hybrids Plus for a device that combines an Inverter and a Charger, to transfer electrical power in either direction between a battery and the grid. It may be used in gridable EVs such as Battery Electric Vehicles (BEV) and Plug-in Hybrid Electric Vehicles (PHEV).

[edit] Team

  • Carl Lawrence
  • Nancy Balch

[edit] General Timeline

  • June 7 2006 - Hybrids Plus incorporated
  • July 7 2006 - 1st contract: Colorado Office of Energy Management for PHEV-30 conversion
  • Sep 18 2006 - Demonstrated the State of Colorado car in Fort Collins, at the Colorado Tech Week
  • Nov 20 2006 - 2nd contract: Ford Escape conversion for NYSERDA
  • Dec 1 2006 - 3rd contract: New Jersey Prius for PHEV-30 conversion
  • April 2009 - ceased to exist, assets and activities absorbed by EEtrex


[edit] Links

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