> >Harold, the neutral is grounded all over the world !
No it is definitely not !!!
Neutral is not grounded ! =20

PE ist always grounded, N only in some contries !

So, be careful .

regards,
   Reelf


Francisco Ares schrieb:
>=20
> Please, do not take it for granted: I have already measured 80V from
> neutral to ground in some places in my country.  Low current capable,
> but still feel not willing to touch it ;-)
>=20
> Francisco
>=20
> Vasile Surducan wrote:
>=20
> >Harold, the neutral is grounded all over the world !
> >But your ideea about don't fusing neutral is wrong because this ground
> >connection is done near the transformer and some time there are long
> >distances through user to transformer. This means a lot of dropout vol=
tage
> >on the neutral.
> >Also fusing neutral is not only for short circuits to phase but also f=
or
> >high currents in that phase/neutral circuit.
> >About 20A on one phase is too much, you'll overbalance the system. The=
 max
> >admitted current for one phase system is 9...10 A.
> >
> >Now you'll check if your device is right projected. [big grin]
> > ( east european and russian mains have 220V +20% -15% running at 45..=
.50 Hz.
> >Success, Vasile
> >
> >
> >
> >
> >On Thu, 21 Feb 2002, Harold M Hallikainen wrote:
> >
> >>        I have a customer wanting to use our equipment in Russia. The=
y'd be
> >>using a single phase 20A circuit. I understand they use 230V, 50 Hz. =
Do
> >>they have a grouned neutral, as we do here in the US? In the US, we r=
ely
> >>on the neutral being grounded, so we don't fuse it (since a neutral s=
hort
> >>to ground does not create a fire hazard). So, what is the power
> >>configuration in Russia? Anyone aware of a website that shows
> >>schematically electrical standards throughout the world (single and t=
hree
> >>phase, from the final distribution transformer(s) to the customer loa=
d,
> >>including standard placement of grounds, fuses, etc)?
> >>
> >>Thanks!
> >>
> >>Harold
> >>
> >>
> >>FCC Rules Online at http://hallikainen.com/FccRules
> >>Lighting control for theatre and television at http://www.dovesystems=
.com
> >>
> >>________________________________________________________________
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>=20
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--=20
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