Re: Surplus electricity

From	"Edward Rawde" <invalid@invalid.invalid>
Newsgroups	sci.electronics.design
Subject	Re: Surplus electricity
Date	2026-04-02 20:51 -0400
Organization	BWH Usenet Archive (https://usenet.blueworldhosting.com)
Message-ID	<10qn2vc$idk$1@nnrp.usenet.blueworldhosting.com> (permalink)
References	(9 earlier) <10qjddp$ad1m$2@dont-email.me> <10qjhh6$1mc0$1@nnrp.usenet.blueworldhosting.com> <10qkpa5$piq2$2@dont-email.me> <jn0tsk9bo0f5215kqt73epve4dpbbba2vv@4ax.com> <10qm4pe$1832s$1@dont-email.me>

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"Bill Sloman" <bill.sloman@ieee.org> wrote in message news:10qm4pe$1832s$1@dont-email.me...
> On 3/04/2026 2:05 am, john larkin wrote:
>> On Thu, 2 Apr 2026 14:54:36 +1100, Bill Sloman <bill.sloman@ieee.org>
>> wrote:
>>
>>> On 2/04/2026 3:35 am, Edward Rawde wrote:
>>>> "Bill Sloman" <bill.sloman@ieee.org> wrote in message news:10qjddp$ad1m$2@dont-email.me...
>>>>> On 1/04/2026 7:10 pm, john larkin wrote:
>>>>>> On Wed, 1 Apr 2026 15:36:25 +1100, Bill Sloman <bill.sloman@ieee.org>
>>>>>> wrote:
>>>>>>
>>>>>>> On 1/04/2026 11:34 am, Edward Rawde wrote:
>>>>>>>> "Bill Sloman" <bill.sloman@ieee.org> wrote in message news:10qfl5l$326de$1@dont-email.me...
>>>>>>>>> On 31/03/2026 2:09 am, john larkin wrote:
>>>>>>>>>> On Mon, 30 Mar 2026 14:47:41 +1100, Bill Sloman <bill.sloman@ieee.org>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> On 30/03/2026 3:10 am, Edward Rawde wrote:
>>>>>>>>>>>> "Bill Sloman" <bill.sloman@ieee.org> wrote in message news:10q7ltu$atug$1@dont-email.me...
>>>>>>>>>>>>> On 28/03/2026 5:43 am, john larkin wrote:
>>>>>>>>>>>>>> On Sat, 28 Mar 2026 01:55:01 +1100, Bill Sloman <bill.sloman@ieee.org>
>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On 27/03/2026 10:24 pm, john larkin wrote:
>>>>>>>>>>>>>>>> On Fri, 27 Mar 2026 15:19:29 +1100, Bill Sloman <bill.sloman@ieee.org>
>>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On 27/03/2026 1:48 am, john larkin wrote:
>>>>>>>>>>>>>>>>>> On Fri, 27 Mar 2026 01:25:09 +1100, Bill Sloman <bill.sloman@ieee.org>
>>>>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> On 26/03/2026 8:48 pm, john larkin wrote:
>>>>>>>>>>>>>>>>>>>> On Thu, 26 Mar 2026 16:51:54 +1100, Bill Sloman <bill.sloman@ieee.org>
>>>>>>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> On 26/03/2026 6:38 am, Phil Hobbs wrote:
>>>>>>>>>>>>>>>>>>>>>> On 2026-03-25 12:17, john larkin wrote:
>>>>>>>>>>>>>>>>>>>>>>> On Thu, 26 Mar 2026 01:28:35 +1100, Bill Sloman <bill.sloman@ieee.org>
>>>>>>>>>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> On 26/03/2026 1:10 am, Ross Finlayson wrote:
>>>>>>>>>>>>>>>>>>>>>>>>> On 03/25/2026 04:21 AM, Bill Sloman wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>> On 25/03/2026 6:14 pm, Ross Finlayson wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>>> On 03/24/2026 09:21 PM, Don Y wrote:
>>>
>>> <snip>
>>>
>>>>>> Told ya so.
>>>>>
>>>>> You didn't.
>>>>
>>>> Yes he did.
>>>
>>> In your ever-so-expert opinion.
>>>
>>>>> You made a bald claim unsupported by any evidence.
>>>>
>>>> LOL
>>>
>>> Edward Rawde is easily amused.
>>
>> That makes life more enjoyable. Are you ever amused? Certainly not
>> here.
>>
>>>
>>>> Eb Major has three flats.
>>>> I can find evidence if you want but I don't provide evidence for every
>>>> statement I make because others can either find out for themselves or they
>>>> may already know.
>>>
>>> John Larkin made vague and unsupported claims about aluminium and zinc
>>> metallisation in plastic film capacitors. He did - more or less
>>> accidentally - came up with a link to more specific information, but he
>>> didn't highlight the link in any way or indicate what the specific
>>> information meant.
>>
>> I said that film caps do not use single-atom thick metalization, and
>> that some use combined aluminum and zinc metalization. I learned those
>> in a few minutes of web searching.
>> >> It is perfectly true that any of us might have come up with that for
>>> ourselves if we had looked hard enough, but in this particular instance
>>> he didn't look very hard. He rarely does.
>>
>> It wasn't hard to find facts about metalization. The mystery is why
>> you couldn't.
>
> I certainly could have done, but you'd made the claim - why should I bother?

Er, because you disputed the claim. And got it wrong.

> When I looked at one of the several links you'd posted, I was able to dig out a tolerably coherent exposition of what was actually 
> going on, and posted it, which you hadn't done.
>
>> I wonder how really big caps are constructed, like the utility
>> power-factor things.
>
> If you had read the link you posted, you'd have found out.
>
> The problem with very high voltage differences is that you get corona discharge, so you have to limit the voltage over individual 
> gaps to less than about 100V. If you just stack your film layers you can do that.
>
> There's no explicit DC path between the successive layers, but the leakage current rises rapidly (and quasi exponentially) with 
> voltage and the leakage currents adjust the DC gradient to a nice even distribution between layers.
>
>> I used to buy huge oil caps when I was a kid, to pop flashtubes or
>> just make loud noises. I'd run them at all the voltage I could make,
>> like 25 KV.
>
> The fluid used to fill them was a nasty halogenated hydrocarbon. It got phased out decades ago on health grounds.
>
> Sulphur hexafloride is even better at damping out arc discharges, but it is remarkably potent greenhouse gas.
>
> https://en.wikipedia.org/wiki/Sulfur_hexafluoride
>
> -- 
> Bill Sloman, Sydney
>

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Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-18 15:09 -0700
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      Re: Surplus electricity Joerg <news@analogconsultants.com> - 2026-03-20 09:36 -0700
        Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-20 10:46 -0700
          Re: Surplus electricity Jeroen Belleman <jeroen@nospam.please> - 2026-03-20 19:14 +0100
          Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-20 14:13 -0700
            Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-20 15:28 -0700
              Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-20 16:42 -0700
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-21 07:18 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-21 09:41 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-21 10:06 -0700
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-21 10:36 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-21 11:12 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-23 23:30 +1100
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-23 08:55 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-28 15:59 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-23 08:22 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-21 11:15 -0700
          Re: Surplus electricity Joerg <news@analogconsultants.com> - 2026-03-24 13:00 -0700
            Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-24 13:42 -0700
              Re: Surplus electricity Joerg <news@analogconsultants.com> - 2026-03-24 14:01 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-24 15:18 -0700
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-24 15:33 -0700
        Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-20 10:47 -0700
          Re: Surplus electricity Joerg <news@analogconsultants.com> - 2026-03-24 13:32 -0700
            Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-24 13:53 -0700
              Re: Surplus electricity Joerg <news@analogconsultants.com> - 2026-03-24 14:17 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-24 15:26 -0700
                Re: Surplus electricity Joerg <news@analogconsultants.com> - 2026-03-24 16:51 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-24 17:53 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-24 20:54 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-24 21:21 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 00:14 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-25 02:25 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 07:05 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-25 12:30 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 13:29 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-25 14:47 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 15:00 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 15:20 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 15:33 -0700
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-25 15:54 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-25 18:20 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-25 22:21 +1100
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 07:10 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-26 01:28 +1100
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 07:45 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-26 16:31 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-25 09:17 -0700
                Re: Surplus electricity Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-03-25 15:38 -0400
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-25 14:32 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 14:52 -0700
                Re: Surplus electricity Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-03-25 22:03 +0000
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-25 15:11 -0700
                Re: Surplus electricity Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-03-26 21:17 -0400
                Re: Surplus electricity Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-03-25 22:14 +0000
                Re: Surplus electricity Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-03-25 22:01 +0000
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-25 15:52 -0700
                Re: Surplus electricity Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-03-26 20:58 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-26 16:51 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-26 02:48 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-27 01:25 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-26 07:48 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-27 15:19 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-27 04:24 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-28 01:55 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-27 11:43 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-28 15:37 +1100
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-03-29 12:10 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-30 14:47 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-30 08:09 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-31 16:13 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-31 10:59 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-01 15:10 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-04-01 01:08 -0700
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-03-31 20:34 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-01 15:36 +1100
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-04-01 01:10 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-02 02:25 +1100
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-01 12:35 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-02 14:54 +1100
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-02 00:07 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-02 17:40 +1100
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-04-02 06:53 -0700
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-02 10:32 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-03 02:45 +1100
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-04-02 09:06 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-04-02 09:16 -0700
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-04-02 08:07 -0700
                Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-04-02 09:04 -0700
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-04-02 08:05 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-03 03:16 +1100
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-02 20:51 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-03 16:29 +1100
                Re: Surplus electricity JM <sunaecoNoChoppedPork@gmail.com> - 2026-04-03 07:22 +0100
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-03 12:17 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-04 05:10 +1100
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-03 19:16 -0400
                Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-04-03 16:30 -0700
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-04 17:05 +1100
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-04 11:02 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-04 16:55 +1100
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-04 11:35 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-05 12:53 +1000
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-05 00:29 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-05 15:46 +1000
                Re: Surplus electricity "Edward Rawde" <invalid@invalid.invalid> - 2026-04-05 01:55 -0400
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-04-05 16:57 +1000
                Re: Surplus electricity Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-03-26 18:30 +0000
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-28 02:15 +1100
                Re: Surplus electricity Bill Sloman <bill.sloman@ieee.org> - 2026-03-26 16:19 +1100
                Re: Surplus electricity Joerg <news@analogconsultants.com> - 2026-03-27 10:10 -0700
                Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-27 15:22 -0700
            Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-24 13:54 -0700
  Re: Surplus electricity piglet <erichpwagner@hotmail.com> - 2026-03-18 23:25 +0000
    Re: Surplus electricity bitrex <user@example.net> - 2026-03-18 23:15 -0400
  Re: Surplus electricity Martin Brown <'''newspam'''@nonad.co.uk> - 2026-03-19 12:36 +0000
    Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-19 06:36 -0700
  Re:Surplus electricity Martin Rid <martin_riddle@verison.net> - 2026-03-19 10:42 -0400
  Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-19 08:13 -0700
  Re: Surplus electricity DJ Delorie <dj@delorie.com> - 2026-03-19 13:05 -0400
    Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-19 13:51 -0700
  Re: Surplus electricity Jasen Betts <usenet@revmaps.no-ip.org> - 2026-03-20 08:04 +0000
  Re: Surplus electricity Joerg <news@analogconsultants.com> - 2026-03-20 09:32 -0700
    Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-20 10:36 -0700
      Re: Surplus electricity Don Y <blockedofcourse@foo.invalid> - 2026-03-20 13:47 -0700
        Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-20 15:38 -0700
  Re: Surplus electricity Jasen Betts <usenet@revmaps.no-ip.org> - 2026-03-20 22:32 +0000
    Re: Surplus electricity Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-20 16:39 -0700
    Re: Surplus electricity liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-03-21 12:53 +0000
      Re: Surplus electricity john larkin <jl@glen--canyon.com> - 2026-03-21 07:19 -0700

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