Re: Why pole pigs are rare in Europe

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Crow Leader by way of Terry Fritz <teslalist-at-qwest-dot-net>" <tesla-at-lists.symmetric-dot-net>

This is true, but they also like 50Hz in Europe, to make sure they have
bigger, slower motors and transformers than places with 60Hz.

KEN
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, June 26, 2003 9:15 PM
Subject: Re: Why pole pigs are rare in Europe


 > Original poster: "Ben McMillen by way of Terry Fritz
<teslalist-at-qwest-dot-net>" <spoonman534-at-yahoo-dot-com>
 >
 > I thought the idea of HV distribution was to reduce line
 > loss? It would seem to me that LV distribution at 220v
 > would introduce quite a bit of resistive line loss..
 > especially for higher current services..
 >
 > Coiling In Pittsburgh
 > Ben McMillen
 >
 > --- Tesla list <tesla-at-pupman-dot-com> wrote:
 >  > Original poster: "Stephen Conner by way of Terry Fritz
 >  > <teslalist-at-qwest-dot-net>" <steve-at-scopeboy-dot-com>
 >  >
 >  > I found the following tidbit in the Encyclopaedia
 >  > Britannica.
 >  >
 >  > "The voltage for residential services in the United
 >  > States is uniformly 120
 >  > volts, and in Europe it is mostly 200 or 220 volts, a
 >  > difference that leads
 >  > to considerable variation in distribution methods.
 >  >
 >  > In the United States the voltage is reduced in a
 >  > distribution substation to
 >  > 2,400 to 13,800 volts, and a second reduction is made to
 >  > utilization
 >  > voltage by means of a number of small transformers
 >  > mounted on poles, or
 >  > situated in vaults, known as distribution transformers.
 >  >
 >  > In Europe the subtransmission or primary distribution
 >  > voltage is brought
 >  > into a kiosk or vault and reduced to 220 volts, and a
 >  > relatively large area
 >  > is covered at 220 volts. Distribution transformer output
 >  > in the U.S. ranges
 >  > generally from 5 to 100 kVA, whereas in Europe it is
 >  > generally from 50 to
 >  > 600 kVA."
 >  >
 >  > So there you are. In the US, you have pole pigs. In
 >  > Europe, we have giant
 >  > ground hogs instead :) Luckily, scrap microwave ovens are
 >  > just as common
 >  > either side of the pond.
 >  >
 >  > Steve C.
 >  >
 >  >
 >
 >
 >