[TCUG] Re: VAS on un metered supply?
- From: "Probert, Norman" <Norman.Probert@xxxxxxxxxxxxxxx>
- To: "'tcug@xxxxxxxxxxxxx'" <tcug@xxxxxxxxxxxxx>
- Date: Thu, 19 Jul 2007 14:17:38 +0100
We have just been trying to sort out Area 9 inventory with UMSO, they advise
that where a code does not already exist we have to supply the manufacturers
specification and they will have a code agreed with Elexon. An extract from
their email below.
Equipment should not be connected without first having the correct charge
code allocation (as outlined in the BSCP520, please find both related
documents attached). Before purchasing new lighting equipment from
manufacturers we ask that you obtain proof that it has been approved,
usually by asking them for the permanent or temporary charge code issued by
Elexon. Approval should be obtained by them via a request to the UMSUG
Technical Secretary (umsugsecretary@xxxxxxxxxxxx) by submitting an
application together with any related documents. Without such approval, we
cannot be sure that the load ratings applied by manufacturers is
representative for the energy being consumed and as an UMSO we are
prohibited to include the apparatus within your inventory. Once an approved
charge code has been obtained, please contact us with the details so we may
ensure it is included within our system.
Where you are having difficulty in obtaining charge codes from
manufacturers, we are happy as your UMSO to progress the request with Elexon
ourselves, providing you can present us with the detailed specification
sheets for the equipment in question. Again, we ask that you do not connect
the equipment until we have been able to provide you with the correct charge
code.
In reality I think they will allow temporary codes until final codes have
been agreed.
Hope this helps (although it probably doesn't)
Norman Probert
Traffic Signals Operations Team Leader
AmeyMouchel - (Area 9)
Direct line 01905 683220
Feature Net 7969 3220
Mobile 0774 871 2946
-----Original Message-----
From: tcug-bounce@xxxxxxxxxxxxx [mailto:tcug-bounce@xxxxxxxxxxxxx] On
Behalf Of Douglas Cook
Sent: 19 July 2007 2:05 pm
To: 'tcug@xxxxxxxxxxxxx'
Subject: [TCUG] Re: VAS on un metered supply?
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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