[TCUG] Re: VAS on un metered supply?
- From: Douglas Cook <Douglas.Cook@xxxxxxxxxxxxxxxxxxx>
- To: "'tcug@xxxxxxxxxxxxx'" <tcug@xxxxxxxxxxxxx>
- Date: Thu, 19 Jul 2007 14:04:52 +0100
Thanks for the reply Peter.
Do you not feel that 25 "Speed Warning Sign" fits the description of a
typical VAS sign better?
Has anyone asked for any consumption data from the manufacturers yet?
Not sure that a sign would use 50w if you discount the MVD consumption.
-----Original Message-----
From: Peter Hodge [mailto:Peter.Hodge@xxxxxxxxxxxxxxxxx]
Sent: Thursday, July 19, 2007 1:18 PM
To: tcug@xxxxxxxxxxxxx
Subject: [TCUG] Re: VAS on un metered supply?
Doug,
Our un-metered supply manager advised us to use the charge code 7949 for
dimmed led signs and we use 50w for the sign power consumption. Charge
code 7949050 (Page 21 of the Elexon document as revised in Feb 2007).
They do not have their own code yet and this was deemed to be the
closest match.
For the MVD we use charge code 7907004 assuming the MVD uses 4w
Hope this helps
Regards
Peter Hodge=20
Traffic Signals & Integrated Systems Manager=20
Lighting, Signals & Vehicles Group
Tel: 01273 481834=20
Fax: 01273 481389=20
-----Original Message-----
From: tcug-bounce@xxxxxxxxxxxxx [mailto:tcug-bounce@xxxxxxxxxxxxx] On
Behalf Of Douglas Cook
Sent: 19 July 2007 12:51
To: tcug@xxxxxxxxxxxxx
Subject: [TCUG] VAS on un metered supply?
Does anybody else have VAS signs on their un-metered supply?
If so, how have you coded up their energy consumption in accordance with
the Elexon guidelines?
The start of the code (7925???) is no problem, it is the rating in watts
that I am finding hard to pin down.
Manufacturers can give consumption figures for the sign fully
permanently activated but of course in reality it never actually is.
Is there an accepted percentage of "on" time? Of course you also have
to bare in mind the MVD will be constantly powered??
Any help would be most appreciated.
Doug Cook
SCC.
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