Groups > sci.electronics.design > #462752

Re: 5 to 10kV rated gate transformers

From	Joerg <news@analogconsultants.com>
Newsgroups	sci.electronics.design
Subject	Re: 5 to 10kV rated gate transformers
Date	2017-06-02 14:36 -0700
Message-ID	<epe437Fcg7cU1@mid.individual.net> (permalink)
References	(3 earlier) <ogs14k01lfu@drn.newsguy.com> <vu33jc96ih5mq6u4188uj6cu3hfhvdbdhq@4ax.com> <epdif1F8fbdU1@mid.individual.net> <4fa3jcl0vq5sufdv7m2j64s046n97mk4jm@4ax.com> <ogsjod02k51@drn.newsguy.com>

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On 2017-06-02 14:02, Winfield Hill wrote:
> John Larkin wrote...

[...]

>> I designed one electric meter for a giant northeast
>> utility. It had to be read out without line power
>> (this was to go into a country where the power was
>> erratic) so the readout wand used magnetic coupling
>> for data and to briefly power up the meter. I used
>> flat rod-type inductors on both ends, resonated,
>> which gave pretty good coupling when they were
>> parallel, maybe an inch apart.
>
>   What kind of power-coupling did you get?
>

It can be quite high. The key is the word "resonated" that John 
mentioned. You have to scale down to your coil size:

http://pe.org.pl/articles/2013/5/37.pdf

Thing is, resonant won't likely work if you want to pulse a gate.


>   "flat rod-type" what does that mean?  I couldn't
>   find available ferrite shapes for the HV design
>   concepts I played with.  "bar and frame" sounded
>   good, but I couldn't find inventory given that
>   CCFL went out of flavor.  Not even on Alibaba.
>

Maybe you can find some stuff for experiments here:

http://www.amazing1.com/transformers-high-voltage-high-frequency.html

-- 
Regards, Joerg

http://www.analogconsultants.com/

Thread

5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-05-17 14:33 -0700
  Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-05-17 15:09 -0700
    Re: 5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-05-31 07:39 -0700
  Re: 5 to 10kV rated gate transformers "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-05-18 01:21 -0500
    Re: 5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-05-31 07:30 -0700
  Re: 5 to 10kV rated gate transformers oldschool@tubes.com - 2017-05-18 08:34 -0400
    Re: 5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-05-18 10:07 -0700
      Re: 5 to 10kV rated gate transformers Klaus Kragelund <klauskvik@hotmail.com> - 2017-05-18 10:53 -0700
        Re: 5 to 10kV rated gate transformers speff <spehro@gmail.com> - 2017-05-18 12:59 -0700
        Re: 5 to 10kV rated gate transformers habib <h.bouazizviallet@free.fr> - 2017-05-31 22:03 +0200
          Re: 5 to 10kV rated gate transformers Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-05-31 13:22 -0700
            Re: 5 to 10kV rated gate transformers habib <h.bouazizviallet@free.fr> - 2017-05-31 23:04 +0200
              Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-05-31 15:57 -0700
                Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-06-01 07:47 +0000
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highlandtechnology.com> - 2017-06-01 07:13 -0700
                Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-06-01 14:28 +0000
                Re: 5 to 10kV rated gate transformers Klaus Kragelund <klauskvik@hotmail.com> - 2017-06-01 07:42 -0700
                Re: 5 to 10kV rated gate transformers Klaus Kragelund <klauskvik@hotmail.com> - 2017-06-01 07:43 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highlandtechnology.com> - 2017-06-01 08:47 -0700
                Re: 5 to 10kV rated gate transformers klaus.kragelund@gmail.com - 2017-06-02 01:25 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highlandtechnology.com> - 2017-06-02 07:59 -0700
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 09:21 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highlandtechnology.com> - 2017-06-02 09:32 -0700
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 10:08 -0700
                Re: 5 to 10kV rated gate transformers Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-06-02 10:21 -0700
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 10:46 -0700
                Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-06-02 17:54 +0000
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-06-02 11:02 -0700
                Re: 5 to 10kV rated gate transformers Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-06-02 11:05 -0700
                Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-06-02 18:16 +0000
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 11:32 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-06-02 12:15 -0700
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 12:43 -0700
                Re: 5 to 10kV rated gate transformers klaus.kragelund@gmail.com - 2017-06-02 10:04 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-06-02 10:54 -0700
                Re: 5 to 10kV rated gate transformers "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-06-02 17:35 -0500
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-06-02 15:56 -0700
                Re: 5 to 10kV rated gate transformers upsidedown@downunder.com - 2017-06-01 17:44 +0300
                Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-06-01 14:57 +0000
                Re: 5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-06-01 08:05 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highlandtechnology.com> - 2017-06-01 08:45 -0700
                Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-06-01 16:07 +0000
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-06-02 11:08 -0700
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 11:37 -0700
                Re: 5 to 10kV rated gate transformers Klaus Kragelund <klauskvik@hotmail.com> - 2017-06-01 07:33 -0700
                Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-06-01 14:56 +0000
        Re: 5 to 10kV rated gate transformers upsidedown@downunder.com - 2017-06-01 12:08 +0300
          Re: 5 to 10kV rated gate transformers habib.bouaziz@gmail.com - 2017-06-01 04:12 -0700
          Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highlandtechnology.com> - 2017-06-01 07:15 -0700
      Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-18 20:08 +0000
      Re: 5 to 10kV rated gate transformers upsidedown@downunder.com - 2017-05-19 00:03 +0300
      Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-05-18 14:12 -0700
  Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-05-31 10:48 -0700
  Re: 5 to 10kV rated gate transformers habib <h.bouazizviallet@free.fr> - 2017-05-31 21:50 +0200
    Re: 5 to 10kV rated gate transformers Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-05-31 12:57 -0700
      Re: 5 to 10kV rated gate transformers habib <h.bouazizviallet@free.fr> - 2017-05-31 22:10 +0200
        Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-01 13:09 -0700
          Re: 5 to 10kV rated gate transformers habib <h.bouazizviallet@free.fr> - 2017-06-01 23:17 +0200
            Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-01 14:35 -0700
              Re: 5 to 10kV rated gate transformers habib.bouaziz@gmail.com - 2017-06-02 07:01 -0700
                Re: 5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-06-02 08:44 -0700
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 09:19 -0700
                Re: 5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-06-02 11:18 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highlandtechnology.com> - 2017-06-02 09:28 -0700
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 09:35 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-06-02 11:16 -0700
                Re: 5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-06-02 14:02 -0700
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 14:36 -0700
                Re: 5 to 10kV rated gate transformers John Larkin <jjlarkin@highland_snip_technology.com> - 2017-06-02 16:08 -0700
                Re: 5 to 10kV rated gate transformers Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-06-02 16:46 +0000
                Re: 5 to 10kV rated gate transformers habib <h.bouazizviallet@free.fr> - 2017-06-02 23:13 +0200
                Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 14:39 -0700
                Re: 5 to 10kV rated gate transformers habib <h.bouazizviallet@free.fr> - 2017-06-03 09:47 +0200
                Re: 5 to 10kV rated gate transformers klaus.kragelund@gmail.com - 2017-06-03 04:28 -0700
                Re: 5 to 10kV rated gate transformers Jasen Betts <jasen@xnet.co.nz> - 2017-06-07 20:03 +0000
                Re: 5 to 10kV rated gate transformers Winfield Hill <hill@rowland.harvard.edu> - 2017-06-08 10:12 -0700
                Re: 5 to 10kV rated gate transformers dagmargoodboat@yahoo.com - 2017-07-13 07:35 -0700
  Re: 5 to 10kV rated gate transformers Terry <respect__privacy@hotmail.com> - 2017-06-02 06:06 -0700
    Re: 5 to 10kV rated gate transformers Joerg <news@analogconsultants.com> - 2017-06-02 09:27 -0700
  Re: 5 to 10kV rated gate transformers bloggs.fredbloggs.fred@gmail.com - 2017-07-13 07:43 -0700

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