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Re: [OM] Purchase of new camera case successful

Subject: Re: [OM] Purchase of new camera case successful
From: Chris Barker <ftog@xxxxxxxxxxxxxx>
Date: Thu, 25 Feb 2010 21:48:28 +0000
Thanks for that Jon.  But there is something you can do about it: move 
supplier, complain to your current supplier, to Ofgen etc ...

And, don't you start sounding like an American broadcaster, asking your own 
questions ....

... or Conservative MP :-)

Chris
On 25 Feb 2010, at 20:26, Jon Mitchell wrote:

> FWIW, we looked into this at work recently - problems at some of our sites
> with very low voltage.  UK spec was changed recently to harmonise across
> Europe.  I don't have the exact figures to hand, but it used to be something
> like 220v in Europe and 240v in UK.  Now it is 230v in UK and the rest of
> Europe.  How did they get away without changing all of the National Grid,
> substations, etc. ?  They fudged the error-factor so now UK is something
> like 230v +15%/-6% and rest of Europe is something like 230v +6%/-15%.
> Phase is much more accurately defined, and has a far smaller margin before
> it becomes "out of spec" - but that was always the same across UK & Europe
> anyway.  In reality, nothing has changed in the power supplied either in UK
> or rest of Europe, but now manufacturers have to cope with a wider voltage
> range if they want to sell products across Europe.
> 
> Anyway, back to the point, yes - in theory the power companies are required
> to maintain a consistent voltage (within an alarmingly wide margin of
> error).  In practise, however, they regularly do not maintain this.
> Especially in more rural areas.  But who can do anything about it ?  As
> someone else said here - the general attitude of the power companies is "you
> get what you're given".
> 
> Does it suck ?  Yes.  Does it bother me ?  A little.  I know a couple of
> SERIOUS hi-fi nuts who have taken matters into their own hands and installed
> some serious power-conditioning units (basically, AC-DC-AC conversion) and
> run a separate ring-main just for their hi-fi components.  Can I hear a
> difference ?  Well, yes - but more to the point is that the cost of the
> hi-fi kit in question means it is worth a sizeable investment in power
> conditioning to stop it going boom when the power drops (or rises) out of
> spec.
> 
> Gosh.  2 topics in a week that I can reply to with some experience !  What
> is this list coming to ... ;-)

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