VanLUG Email Archive
David & Masako Bellwood (blwd@home.com)
Wed, 05 May 1999 22:25:32 -0700
I should add the obvious to my previous email, that the engineer had an
inverter in there somewhere, and that, being in the distribution
management team, he'd know when the power would come on again!
David Bellwood
Toomas Losin wrote:
>
> Andrew Daviel writes:
>
> > On Tue, 4 May 1999, jerome schatten wrote:
> >
> > > Throw the main breaker off; plug the
> > > generator into the 220 dryer outlet; put in some gas and pull the
> > > string!
> >
> > BC Hydro have strict prohibitions against this kind of thing - you're
> > supposed to get a proper transfer switch. Can't see why myself, if the
> > breaker's safe enough to protect people working in the house, why it isn't
> > safe enough to protect the guys outside.
>
> Because the hydro guys aren't expecting someone's house to source
> current. If the main breaker is outside they may not have any
> suspicion that the house wiring is hot. Smart guys'll check anyway
> because people tend to do silly things. :-)
>
> > Anyhow, if the breaker fails
> > either you end up running the line transformer backwards and put 3kV or
> > whatever back on the line, or when the Hydro crews ground the cable to
> > work on it your generator screams to a halt.
>
> If the breaker fails closed and the generator is 180 degrees out of
> phase with the grid you could get an interesting fire.
>
> --
> Toomas Losin ParaLynx Internet
> tlo@paralynx.com New Westminster, BC
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