The UK Home Automation Archive

Archive Home
Group Home
Search Archive


Advanced Search

The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: P=VI Question C-Bus type content


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: P=VI Question C-Bus type content
  • From: "Phil Harris" <phil@xxxxxxx>
  • Date: Mon, 23 Jun 2003 23:20:08 +0100
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx


Take it against the 240v but allow the transformer being 90% efficient to
be
on the safe side...

Phil

> -----Original Message-----
> From: Doogie Brodie [mailto:ukhad@xxxxxxx]
> Sent: 23 June 2003 23:12
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] P=VI Question C-Bus type content
>
>
> Hi guys,
>
> At the risk of sounding blonde......
>
> I'm trying to do some sums for a C-Bus install, and halogen
downlighting
> is where I'm falling over.......
>
> 2 options, low voltage or mains voltage. If low voltage, eg 12v
> transformer supplying 105W, is this I=P/V so I=8.75A which means a
> standard 1A or 2A C-Bus channel will not support it, or is the 105W
> taken against the 240V supply voltage so I<0.5A so it's fine under
one
> C-Bus channel....?
>
> Is the general consensus with C-Bus to go for mains voltage or low
> voltage for halogens?
>
> Cheers!
>
> --
> Doogie
>
>
>
> ** UKHA2004 BE THERE! ** - start planning now.
>
> http://www.automatedhome.co.uk
> Post message: ukha_d@xxxxxxx
> Subscribe:  ukha_d-subscribe@xxxxxxx
> Unsubscribe:  ukha_d-unsubscribe@xxxxxxx
> List owner:  ukha_d-owner@xxxxxxx
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>



Home | Main Index | Thread Index

Comments to the Webmaster are always welcomed, please use this contact form . Note that as this site is a mailing list archive, the Webmaster has no control over the contents of the messages. Comments about message content should be directed to the relevant mailing list.