[GLLUG] UPS trouble

[Richard Houser]

Actually, the ups would normally be less expensive that re-wiring, even as
a one-off diy project if you don't count the permit, inspection, etc.
Sizing your load appropriately is definately a better fix to that.problem,
though.  If you trip the breaker a lot, reduce the load.
On Jul 23, 2012 1:26 PM, "Bert W. Carrier Jr." <bertcarrier at gmail.com>
wrote:

> This sounds like a problem that might be better solved by adding another
> breaker to your electrical panel and using that circuit as a dedicated
> computer equipment circuit.  Then the AC can trip its own breaker all day
> long without affecting your computers.
>
> Breakers and wire are much cheaper than a UPS, but you do need some basic
> wiring knowledge.  If you're not comfortable working in an electrical
> panel, better call in a pro.
>
> Bert
>
>
> On 07/23/2012 09:59 AM, Tom Schouten wrote:
>
>> Hi list,
>>
>> I recently purchased a UPS unit: APC Back-UPS ES BE550G 8-Outlet 550VA
>> 120V
>>
>> The main use is to bridge circuit breaker triggering since we're close to
>> maximum load on some of the lines in the house with the AC units running.
>>  I.e. I need about 5 minutes to pick up a flashlight and head to the
>> basement.
>>
>> It seems to work well for my setup when the power cuts out, however when
>> it turns back on there are glitches.  My PC is able to bridge the glitch
>> when I put it to sleep mode, but my IP phone seems to reset or hang and the
>> PC resets when it is running.
>>
>> The unit supports 350W and the max load I've measured is 200W. The
>> glitches happen even with a load of about 40W = just the PC.
>>
>> Any ideas what this might be?  Is this a known property of these cheap
>> square-wave approximate sinusoid boxes?
>>
>> Cheers
>> Tom
>>
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