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Milton Keynes Electric Buses

Discussion in 'Electric Vehicles' started by markwj, Jan 8, 2014.

  1. markwj

    markwj Moderator, Asia Pacific

    Joined:
    Apr 10, 2011
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    Location:
    Hong Kong
    BBC News - Wirelessly charged electric buses set for Milton Keynes

    The top-up charge mechanism looks pretty neat. The buses get about 10 minutes top-up charge (they call it a wireless 'resonance' charge) at each end of the route, throughout the day 18 hour workday. Conventional wired charging, at the depot, is used for the remaining 6 hours.
     
  2. rabar10

    rabar10 FFE until Model 3

    Joined:
    Dec 3, 2010
    Messages:
    1,395
    Location:
    Indianapolis, IN
    Was wondering how much power goes through those inductive plates -- then realized there was enough info in the article to make a rough estimate.

    - 15 miles end-to-end
    - other electric buses list figures like 2kWh/mi for efficiency (one example)
    - Assume that to minimize battery size, the bus gets the full amount of energy needed to complete the 15-mile trip from the inductive plate chargers
    - 30 kWh in 10 minutes (1/6 hour) is 180kW. Say 200kW to make a nice round number and to account for inefficiencies.
     
  3. AMPd

    AMPd Active Member

    Joined:
    Nov 27, 2012
    Messages:
    1,983
    Location:
    Northern California
    You hear that Tesla!
    Step your game up!!!

    Im kidding of course!
     

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