[ARC5] UPS Transformers

[spr at earthlink.net]

Hi JIm,

I think the 1,5 kW APC ones that run on 24V do better, but 24V batteries are a pain, twice the cost every 5 years to replace.

Peace,

Scott

-----Original Message-----
>From: Jim Falls <radio-tuber at att.net>
>Sent: Nov 19, 2015 6:02 PM
>To: kgordon2006 at frontier.com
>Cc: ARC5 <arc5 at mailman.qth.net>
>Subject: Re: [ARC5] UPS Transformers
>
>Drifting a bit, but can anyone recommend a good modified or true sine wave inverter? Or, is there a site you can point me at?
>
>Put a "good " one on the scope at a going of business electronics remainderer sale (long time friendly sales rep was pissed he was getting the boot) : modified sine wave was +o-o+o-
>
>Garbage all over the bands using a service monitor. He pitched it in the e-waste bin. 
>
>Cheers!
>Jim K6FWT
>
>> On Nov 19, 2015, at 09:41, Kenneth G. Gordon <kgordon2006 at frontier.com> wrote:
>> 
>> Well, in my case, some time ago, I found, on the loading-dock of the local 
>> university's Electrical Engineering Dept, ready to be scrapped, a 
>> dual-115VAC output, pure-sine wave, at 20 amps, UPS with control panel.
>> 
>> Needless to say, I grabbed them as fast as I could carry their over 100 
>> pound weight each.
>> 
>> They take 48 VDC input.
>> 
>> I have gathered a short "rack", with heavy-duty casters under it, in which to 
>> mount them, with their batteries.
>> 
>> The manual, which is still available, costs $75.00. I've got that on the way 
>> too.
>> 
>> I can hardly wait to get it in operation.
>> 
>> Ken W7EKB
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