[AusNOG] DC undervoltage issues

[Damian Guppy]

Correction: the minium voltage is 216V according to my sparky brother.

--Damian


On Wed, Jan 15, 2014 at 7:28 PM, Damian Guppy <the.damo at gmail.com> wrote:

>  IANAL but I would imagine in absense of them specifying they would be
> bound to deliver power to ANZ standards of 230v +10% -6% (iirc) ie 251v-223v
>
> I assume you are running a line interactive UPS?
>
> --Damian
>
> Sent from my Windows Phone
>  ------------------------------
> From: Joshua D'Alton <joshua at railgun.com.au>
> Sent: 15/01/2014 7:15 PM
> To: AusNOG at lists.ausnog.net <ausnog at lists.ausnog.net>
> Subject: [AusNOG] DC undervoltage issues
>
>  Evening noggers, hope you're all surviving the heat, especially in VIC!
>
> Speaking of, in 2 DCs were seeing borderline undervoltage on our UPSs (yes
> we run them even with A+B power because sensitive equipment), I've read
> that there are power issues in VIC at the moment, but I thought they were
> limited to residential zones (with rolling black/brownouts)?
>
> Anyone else seeing this, or have comments?
>
> As a side question, does anyone (perhaps Bevan?) know if DCs will manually
> switch to genny/backup power in this sort of scenario, if so details would
> be nice.
>
> (with regards to that, I looked at one DC contract and it doesn't mention
> anything about the specifics of power delivered, just that it is A+B with X
> battery backup and Y generator capacity, and Z SLA, doesn't mention what
> sorts of voltages would break said SLA...)
>
> Anyhoo, cheers!
>
> PS, also seeing strange intermittent issues with Telstra and Pacnet
> connecting to local google and others, not sure why the power quality would
> affect that, but..
>
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