If you're interested in substantial capacitors (hundreds of pounds,
20-50kV) email me. We have a few in surplus.
On Mon, Jun 18, 2018 at 11:34 AM, Steve White <steve.white1@xxxxxxxxx>
wrote:
> I originally tried to get information from Aerovox about my unit. They
> said that they had no record of it because it was made in 1992 (I presume
> from the serial number). I assumed that they would have records of all such
> huge capacitors but I guess not.
>
> I am think of buying another one of the Aerovox capacitors (PM-series, 102
> uF, 22 KV) and connecting it in parallel with the one that I already have.
> This would give me a combined maximum energy of 48 KJ for mayhem. My
> primary reason for doing this though is to get the same energy by charging
> to a lower voltage to minimize VR and thus extend capacitor life. The same
> E-Bay seller that I bought my current unit from is offering another one.
> Any thoughts?
>
> Steve
>
> ----- Original Message -----
> From: "Bert Hickman" <bert@xxxxxxxxxxxxxxxxxxxxx>
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Sent: Monday, June 18, 2018 9:51:22 AM
> Subject: Re: [TCML] Need Energy Discharge Capacitor Information
>
> Hi Chris,
>
> These are also heavy-duty energy discharge caps, using a kraft
> paper-foil dielectric system. The Aerovox PM series are all rated at 20%
> voltage reversal, and no self-healing.
>
> The low capacitance and dielectric system for your caps limit their use
> to low pulse-rate, very high-voltage applications, such as flash X-ray,
> Marx generators, exploding wire, or rock fragmentation work. The
> dielectric system will be fairly lossy for lower-voltage oscillatory
> applications, and the stored energy is limited for coin shrinking since
> work-coil flashover limits maximum cap voltage to 20-25 kV.
>
> You might be able to get more information by directly contacting the
> folks at Aerovox. Unfortunately, many of their energy discharge caps are
> custom designs. This often binds Aerovox to non-disclosure agreements
> with their customers, preventing them from releasing even basic
> capacitor specs...
>
> Best wishes,
>
> Bert
>
> Chris Reeland wrote:
> > Okay, to get back on track to the topic, I have been following this with
> > interest.
> > I also have a pair of energy discharge caps that I have picked up last
> year
> > for a future project that I can't find any info either. Any info would be
> > appreciated.
> > Aerovox:
> > PM104YW003D04
> > 3.110 uF and 3.364 uF
> > 100,000VDC
> > 15K Joules
> >
> > They are in a stainless steel case.
> >
> > A couple of pictures also if I made a typo...
> >
> > https://photos.app.goo.gl/wPq4WEvYLuGbXKqM9
> >
> > https://photos.app.goo.gl/jTgwWWiTbqaEA9ph7
> >
> > https://photos.app.goo.gl/LHnuy85eBTaSZUP38
> >
> > Thanks,
> > Chris
> >
> > Sent from my LG V20
> > _______________________________________________
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> > Tesla@xxxxxxxxxxxxxxxxxx
> > https://www.pupman.com/mailman/listinfo/tesla
> >
> >
> >
>
>
>
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--
Chris Boden
President
The Geek Group National Science Institute
www.thegeekgroup.org
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