[time-nuts] Solartron 7150+ filters

gonzo moto cadbloke at hotmail.com
Fri Oct 30 00:43:17 UTC 2009


Hi David, 
the first filter is complete, but for some potting compound, so it's not very photogenic (I'll take one anyway).
I'll take a full set on the filter that actually failed.

Cheers,
ian


> Message: 4
> Date: Thu, 29 Oct 2009 10:47:46 -0000
> From: "David C. Partridge" <david.partridge at dsl.pipex.com>
> Subject: [time-nuts] Solartron 7150+ filters
> To: "'Discussion of precise time and frequency measurement'"
> 	<time-nuts at febo.com>
> Message-ID: <54B8BB1F521540FD9967C72A7EFC5C54 at APOLLO>
> Content-Type: text/plain;	charset="us-ascii"
> 
> Ian,
> 
> If you have time/inclination, I'd be interested to see pics of your
> dissassembly/reassembly process.
> 
> Dave
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of gonzo moto
> Sent: 28 October 2009 18:11
> To: time-nuts
> Subject: Re: [time-nuts] time-nuts Digest, Vol 63, Issue 101
> I hear you David!
> 
> I thought I'd start on the working filter and the repair the smoked unit
> when I know what I'm doing.
> 
> I've burrowed inside the filter and was surprised to find the filter caps
> (WIMA MP3-E) are only rated for 250V.
> The MP3-E is a discontinued line (read: I can't find a datasheet).
> These might be ok for European 220V, but my UPS shows my line voltage to
> average 243V, with regular excursions over 250V.
> These caps may be good, but I'd like to see a bit more margin there (it'll
> be going back together with MP3-X2/275V caps).
> 
> Robert, while it's not that I don't value my time, my workmanship is up to
> the task, and I'm reluctant to replace a component (possibly with one no
> better than the failed part) when I can fix it better than it was in the
> first place. 
> 
> ian
>  		 	   		  

 		 	   		  
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