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Re: [RFI] Wireless Power Transfer with electric vehicles

To: Michael Aust <wb6dji_dx@icloud.com>
Subject: Re: [RFI] Wireless Power Transfer with electric vehicles
From: David Eckhardt <davearea51a@gmail.com>
Date: Sun, 11 Apr 2021 20:12:56 +0000
List-post: <mailto:rfi@contesting.com>
My hope is that it is too expensive for most of us.

Does it have FCC blessing.  All I see are European installations.

Dave - WØLEV

On Sun, Apr 11, 2021 at 7:01 PM Michael Aust <wb6dji_dx@icloud.com> wrote:

> Well
>  It is here, soon to be unleashed into your
> neighborhood !!!
>
> https://www.pluglesspower.com/
>
> Time is running out for Ham Radio !
>
> Mike
> WB6DJI
>
>
> Sent from my iPhone
>
> On Apr 11, 2021, at 11:27 AM, David Eckhardt <davearea51a@gmail.com>
> wrote:
>
> 
> With FCC having RF exposure "safety" issues with low power wireless
> chargers - we have to measure RF field strength as a regulatory issue, now
> - I certainly can envision these 20 kW beomyths coming under rather nasty
> 'safety' regulations!  That, alone, may kill the proposed nightmare -
> hope.......hope.....  After all, BPL was conceived with its own casket (and
> FCC cheating which ARRL took to court and won).
>
> Dave - WØLEV
>
>
> On Sun, Apr 11, 2021 at 6:10 PM Tom Thompson <w0ivj@tomthompson.com>
> wrote:
>
>> I looked at the video and 6:50 into it there is a proposed schematic
>> that has a classic switch mode power supply circuit.  At 21 kW, that is
>> really going to create a lot of RFI unless they do a great deal of
>> filtering.
>>
>> Tom   W0IVJ
>>
>> On 4/11/2021 9:58 AM, Michael Aust via RFI wrote:
>> > Here a technical discussion on these
>> > Wireless RF chargers that will destroy
>> > HF for city dwellers for sure !
>> >
>> > https://m.youtube.com/watch?v=iOVg62_DUYU
>> >
>> > Mike
>> > WB6DJI
>> >
>> > Sent from my iPhone
>> >
>> >> On Apr 11, 2021, at 8:52 AM, Michael Aust <wb6dji_dx@icloud.com>
>> wrote:
>> >>
>> >> These RF chargers like the Qi for iPhones is being proposed as
>> Automobile RF Chargers for Hybrid cars now and are basically RF oscillators
>> generating Lots of RF in the HF Bands
>> >>
>> >> 20kW RF oscillators!!!!
>> >>
>> >> https://m.youtube.com/watch?v=CEGlmQS692w
>> >> Qi RF Charger
>> >>
>> >> This Will destroy the HF HamBands
>> >>
>> >> Mike
>> >> WB6DJI
>> >>
>> >>
>> >> Sent from my iPhone
>> >>
>> >>>> On Apr 10, 2021, at 4:28 PM, James Gordon Beattie Jr <w2ttt@att.net>
>> wrote:
>> >>>>
>> >>> Ed,
>> >>> The bottom line question will be whether in a housing sibdivision
>> with homes  with two EV chargers each, can they peacefully coexist with low
>> profile HF/VHF/UHF antennas in attics, around gutters and on flag poles?
>> >>>
>> >>> The pressures of domestic electronics technology and HOAs and
>> deed/convenant-restricted communities are at crossed purposes with respect
>> to Amateur Radio.
>> >>>
>> >>> 73,
>> >>> Gordon Beattie, W2TTT
>> >>> 201.314.6964
>> >>>
>> >>> Get Outlook for Android<https://aka.ms/ghei36>
>> >>>
>> >>> ________________________________
>> >>> From: RFI <rfi-bounces+w2ttt=att.net@contesting.com> on behalf of
>> Hare, Ed, W1RFI <w1rfi@arrl.org>
>> >>> Sent: Saturday, April 10, 2021 3:21:20 PM
>> >>> To: jim@audiosystemsgroup.com <jim@audiosystemsgroup.com>;
>> rfi@contesting.com <rfi@contesting.com>
>> >>> Subject: [RFI] Wireless Power Transfer with electric vehicles
>> >>>
>> >>> Oh, it's worse than the little Qi chargers, Jim.  We are talking 20kW
>> chargers for electric vehicles and ARRL and IARU are very concerned about
>> harmonics and inverter noise.  Right now, they are using magnetic loops,
>> which are resonant, but also need filtering,, which at the 20 kW level Is
>> not trivial.  The key is to get the right limits set.  ARRL has been
>> helping to revise a few industry position papers, and although we don't
>> always see eye to eye, we are making a difference and, more important,
>> planning ongoing work.  Much like BPL, the goal is not to stop technology,
>> but to help identify proper EMC solutions. With BPL, HomePlug  did it and
>> HomePlug devices deployed successfully by the millions.
>> >>>
>> >>> Today, I am in the Lab, gathering the wiring and adapters I need to
>> finish the installation of  1.5m loop and active whip on a trailer to tow
>> behind my van, to get away from vehicle noise. I am headed out to two large
>> solar farms in Connecticut, just to get a feel for the EMI that may be
>> present near them locally.
>> >>>
>> >>> I get to have all this fun on weekends sometimes, too!
>> >>>
>> >>> -----Original Message-----
>> >>> From: RFI <rfi-bounces+w1rfi=arrl.org@contesting.com> On Behalf Of
>> Jim Brown
>> >>> Sent: Saturday, April 10, 2021 3:14 PM
>> >>> To: rfi@contesting.com
>> >>> Subject: Re: [RFI] Ed Hare W1RFI Contact Info?
>> >>>
>> >>>> On 4/10/2021 11:58 AM, Hare, Ed, W1RFI wrote:
>> >>>> I have three major issues come up with wireless power transfer,
>> >>> Great to hear that you're engaged on this, Ed. My RFI alarm went off
>> years ago when I heard the first rumblings about this for use in charging
>> widely used consumer devices.
>> >>>
>> >>> 73, Jim K9YC
>> >>> _______________________________________________
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>> >>> RFI@contesting.com
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>
>
> --
> *Dave - WØLEV*
> *Just Let Darwin Work*
>
>

-- 
*Dave - WØLEV*
*Just Let Darwin Work*
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