UPSs

[Ted Ozolins]

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>>On Sunday 27 November 2005 04:52 pm, David Bandel wrote:
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>>>Folks,
>>>
>>>Not sure if any of you have had this happy experience.  Power in 3rd
>>>world countries (or at least Panama) is atrocious.
>>>
>>>Last nite at 0330 local, power went out (not an unusual occurrance
>>>here).  When it came back on at 0430, I lost 2 UPSs (blown up), two
>>>more had to be manually reset, lost a SCSI hard drive (wouldn't
>>>respond to start command), and more.
>>>
>>>Apart from buying a large motor and generator and isolating from the
>>>Electric disaster company down here via a steel shaft, anyone have
>>>experience combatting this nonsense?  All my main sites were down this
>>>a.m.  Lots of driving, reseting of gear, inventorying destroyed
>>>equipment, etc.
>>>
>>>As you can see, our mail server survived, but not by much.
>>>
>>>Suggestions (apart from starting my own power company too)?
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>>>
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I'm not sure how much greater your problem is compared to my situation.
Less than a block away, there is a fruit packing plant that plays hell
on my equipment. In the first month here I lost two pc power supplies
and a UPS.  I ended up placing a AC Powerline 20A EMI Filter (Corcom)
with a large 350V MOV on the input and 150V MOV on the output. I placed
a fast-blow fuse on the input so that a large spike being grounded blows
the fuse. I've replaced many fuses since then and have not lost power
supplies nor UPS's . The emi filter is listed on the bottom of the page
of the URL listed below. If you want any info just ask.

Cheers.

http://www.sphere.bc.ca/test/inductors.html

-- 
Ted Ozolins(VE7TVO)
Westbank, B. C