Wow.

What does a 500KV DC converter look like?

How do you even begin to create a solid state device to do that?

Mark

Steve Smith wrote:
> The link between England and France is Dc and if I remember it's a cuk
> converter both ends (it's the only topology that is reversible) It arrives
> in England at Sellinge converter station at 500Kv DC if my memory is
> correct...
>
> Steve 
>
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of
> Olin Lathrop
> Sent: 08 June 2010 22:36
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE] Power grid synchronization
>
> Carl Denk wrote:
>   
>> I thought that way back in the early electricity days, that the issue
>> with DC was it couldn't be transported very far before the losses left
>> little power available, and the AC was necessary to get the power some
>> distance from the generating station. This goes back to Edison's days.
>>     
>
> There is nothing inherent to DC that prevents pushing power long distances.
> In fact, DC is more efficient due to no skin effect and no inductive or
> capacitive or radiation losses.  The farmer stealing power with a long fence
> next to the power line isn't possible with DC, for example.  In the early
> days it was probably difficult to get high voltage DC.  That's easier with
> AC as you can run it thru a transformer.
>
> It's pretty much a voltage versus current game.  The longer the distance,
> the more it makes sense to pay for high voltage infrastructure.  At higher
> voltages it takes less current to transfer the same power, and the
> limitations and losses are related to current (mostly).
>
>
> ********************************************************************
> Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products
> (978) 742-9014.  Gold level PIC consultants since 2000.
>   
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist