Next message: (no name): "Re: lv-ab: Finding things (Norm)"
On Sun, Jul 07, 2002 at 07:26:33PM -0400, wrote:
> In a message dated 7/1/02 3:02:59 AM Eastern Daylight Time,
> writes:
>
> > While Your comment about the resistance of the smaller AC wires is
> partially
> > true, another factor counteracts this. The shore power utility grid has an
> > almost infinite capacity to provide current compared to either a battery
> or
> > a genset.
> > When you create a short circuit in your boat's internal supply the voltage
> will
> > rapidly collapse as the capacity of the genset inverter or battery is
> > exceeded.
> >
> > If the same short circuit occurs when you are connected to shore power,
> the
> > grid can continue to provide voltage and current for much longer.
> >
>
> I was just considering the wiring between the transformer, out the docks, and
> in the shore power cable. Marinas that I have been in have been infamous for
> skimping on wire sizes and I hear this is the rule rather than the exception.
Tell me about it.
We typically have 220-225V on the so-called "250V" AC feed during the summer
months while people have their AC on.
My house has the full 240V at the same time - its not in the grid.
In the winter, when people's AC is off, we also have the full 240V at the
marina.
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