Re: APC Professional Powercell UPS



So what's the difference between a ' real ' power outage, and pulling the
plug or the house breaker ? Are you talking reduced line voltage brownout
here, or full loss of power supply to the house ?


"William R. Walsh" <newsgroups1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message news:HoYte.90993$nG6.6167@xxxxxxxxxxxx
> Hello all!
>
> I have the already mentioned UPS. It came to me with a dead battery, so I
> arranged for a large 12 volt gel-cell battery (brand new!) to be hooked up
> to it. The UPS charges this battery, but there is something funny going
> on.
>
> If a "real" power outage occurs, this UPS will simply turn off. It will
> not
> go to battery power like it should. For all intents and purposes it
> appears
> to be dead. It is certainly not overloaded...all I have attached is one 60
> watt light bulb and an SMC 16 port 100Mbit network switch. More often than
> not the light bulb is turned off, though this does not seem to matter.
>
> But if I "fake" a power outage by doing any of pulling the plug, turning
> off
> the circuit breaker or even pulling the house main out, the UPS switches
> to
> battery and works like it ought to until the battery is depleted.
>
> I'm pretty sure the large battery is not a problem here. I have another of
> the same UPS that still has the proper battery in it. This battery works
> no
> better in the troublesome unit during a "real" power outage. Likewise, the
> large battery works fine on the properly functioning unit during a real
> power outage.
>
> Any thoughts? I'm stumped and I would appreciate any insights on this.
>
> William
>
>


.



Relevant Pages

  • Re: UPS waveform question for SUN servers
    ... O.K. The pure sine wave is better for systems with input ... The SB-1K and SB-2K use the same power supply. ... this UPS has caused more trouble than ... it has alleviated - with the battery sometimes discharging for no ...
    (comp.sys.sun.hardware)
  • Re: back-up power supply
    ... :I was thinking to get a back-up power supply for my PC and saw a book ... The least expensive type of UPS is 'passive'. ... the battery goes back out again when the power returns. ... One issue with passive UPSs is that the electricity is not flowing ...
    (comp.security.misc)
  • Re: ups installation question
    ... They protect connected devices from sudden power ... UPS AKA battery back-up: ... Most have surge protection et al, ... The issue of UPS vs. auto battery life is more a limitation of the ...
    (alt.sys.pc-clone.dell)
  • Re: UPS and surge protection for LCD TV
    ... and surge protectors for large screen projection TV's? ... features as well as standard UPS units for computer protection. ... That depends on how much power everything you are going to hook to it ... Battery cost vary greatly depending on size. ...
    (alt.tv.tech.hdtv)
  • Re: UPS/Power conditioning questions
    ... First we define a computer grade UPS. ... power supplies are so resilient that 'computer grade' UPSes ... This 'dirty' electrical output when in battery backup mode ... internal protection assumes a typically destructive transient ...
    (comp.os.vms)