It's not just convenience.  There is the issue of theft/vandalism of/to 
charging cords and the (small) danger to passers by posed by them ie the trip 
hazard.  They'll also wear out in time.  The inductive system removes all these 
problems.  MW


On 21 Jul 2014, at 05:08, Peri Hartman via EV wrote:

> Me, too.  However, consumers might not care (unfortunately).  In other words, 
> you might pay 15% more to cover losses but compared to what?  Consumers will 
> be happy to just park and have the charge happen automatically.  Unless 
> energy costs are really high, they will get ignored.
> 
> I'm with you, though.   When a simple direct connect is nearly 100% lossless, 
> and so easy to plug in, why would I want to be so wasteful?
> 
> Peri
> 
> ------ Original Message ------
> From: "Al via EV" <ev@lists.evdl.org>
> 
> 
>> My problem with the whole wireless charging "dog and pony show" is the lost 
>> energy and the seemingly impossible efficiency claims.
>> For instance, even if the high frequency transformer had NO air gap, there 
>> would still be a limit to its efficiency.
>> How efficient is a 60hz transformer? Is a higher frequency transformer any 
>> more efficient?
>> 
>> Al

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