TECHNET Archives

December 2018

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Steve Gregory <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Steve Gregory <[log in to unmask]>
Date:
Wed, 5 Dec 2018 12:41:56 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (115 lines)
There might be another place to look,
https://www.eaglepicher.com/sites/default/files/EaglePicher_EnergeticDevicesCatalog_0.pdf

Steve

On Tue, Dec 4, 2018 at 11:55 AM Bob Landman <[log in to unmask]>
wrote:

> Chris,
>
> Many years ago I worked on an R&D project creating a very fast pressure
> wave simulating an underground nuclear explosion.  We used exploding bridge
> wires in a water tank.
>
> We measured the pressure wave with a very fast piezo  pressure transducer
> connected via an amplifier to an oscilloscope with a Polaroid camera
> attached.
>
> https://www.kistler.com/en/products/components/pressure-sensors/
>
> The capacitor was a huge metal encased oil filled capacitor with two large
> insulated terminals on the top of it.
>
> I can't recall how we switched the capacitor to the two rods suspended in
> the tank with a short fusible wire stretched between them but it may have
> been a thyratron tube.
>
> https://en.wikipedia.org/wiki/Thyratron
>
> Examples:
> https://www.ebay.com/p/High-Voltage-Oil-Filled-Capacitor-2uf-25kv/10020500178
>
> Bob
>
>
> -----Original Message-----
> From: TechNet <[log in to unmask]> On Behalf Of Nutting, Phil
> Sent: Tuesday, December 04, 2018 11:34 AM
> To: [log in to unmask]
> Subject: Re: [TN] (OT) High Voltage Pulse Caps
>
> My suggestion is EFC-Wesco in Connecticut.  Bob Fountain is their sales
> guy.  They have done several custom film capacitors for us to be used in
> our high voltage power supplies running up to 180 kV.  Granted the cap was
> not run at the full 180 kV, but 30 kV and 40 kV is not uncommon for us.
>
> My 2 cents.
>
> Phil
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Chris Knudsen
> Sent: Tuesday, December 04, 2018 11:02 AM
> To: [log in to unmask]
> Subject: [TN] (OT) High Voltage Pulse Caps
>
> Greetings TechNet community,
>
> We're having trouble with a custom cap supplier (first-time transaction),
> which can (not-necessarily) remain nameless.
>
> If I can tap into the collective TN hive-mind:
>
> Has anyone had a good experience with a cap manufacturer that can supply
> custom high energy caps with these type of specs:
> Qty (2) Pulse Capacitors
> 40 kV
> 12.5 uF
> for
> 20,000 (20 k) Joules Max (pulse)
>
> Similar application:
> https://en.wikipedia.org/wiki/Exploding_wire_method
>
> Very low duty cycle (1 or so shots per random day).
>
> Because of the above manufacturer issues, we are also interested in close,
> and not-so-close, temporary substitutes to perform some basic system
> functionality tests.
>
> I'm happy to receive responses off-line, or on TN if you feel others would
> benefit.
>
> Regards,
>
> Chris
> [log in to unmask]
> ------------------------------------------------------------------------
>


-- 
Steve Gregory
Kimco Design and Manufacturing
Process Engineer
(208) 322-0500 Ext. -3133

-- 



This email and any attachments are only 
for use by the intended 
recipient(s) and may contain legally privileged,
 confidential, proprietary 
or otherwise private information. Any 
unauthorized use, reproduction, 
dissemination, distribution or other 
disclosure of the contents of this 
e-mail or its attachments is strictly
 prohibited. If you have received 
this email in error, please notify the
 sender immediately and delete the 
original. 

ATOM RSS1 RSS2