Of course if an in motion system for charging were to be incorporated
into motorways, that would make a big difference to the usefulness of
electric cars for many people. There again, you could forget charging
and just use the coils as a linear induction motor :)
Hmm I have heard of this before I'm sure of it. However, how accurately does
the bus need to be aligned I wonder. Be no good with the normal behaviour of
traffic would it. Also, if you are in a jam running systems like lights
etc, what happens if you lose so much power you cannot get to the next
segment of charging cable?
Brian Gaff....Note, this account does not accept Bcc: email.
graphics are great, but the blind can't hear them
There's a handshake signal that the bus needs to send before the charger
turns on. If you're inside the bus, it's quite a good faraday cage, and
as the coupling is very good, there isn't much of a stray field outside
the periphery of the vehicle.
It's a variation on a system that's been in successful use for a while,
which has charging stations at each bus stop, and the bus picks up
enough charge in a minute or so at each stop to get it to the next one.
The converters are mounted in holes in the road, and the whole unit can
be lifted out in a few minutes by crane for maintenance or replacement.
The converters are powered by standard mains power.
Mind you, it isn't going to be cheap to install, with a 100Kw converter
and charging unit in a hole about a metre cubed, with power feeds and
drainage every twenty or so metres. It'd probably be cheaper and more
efficient to just put up overhead cables.
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