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Posted by hallerb@aol.com on May 10, 2008, 10:48 am
> On 09 May 2008 13:41:15 GMT, snyper333_at_hotmail_dot_...@foo.com
>
>
>
>
>
> (chenopod) wrote:
> >I have a few questions that involve simple electrical wire theory, but th=
e
> >situation gets a little bit complicated.
>
> >I am trying to run an extension cord (or cords) into the woods to power a=
> >stage, with fairly powerful musical equipment, lights, PA, etc.
>
> >I'm assuming the power outlets that will be available are standard
> >grounded 120 Volt, hopefully on the heavy duty side. The equipment I'm
> >looking to power totals several thousand watts (rated at, lets say, 3000
> >W). =EF=BF=BDHowever, the power draw is not consistent... it fluctuates w=
ith how
> >hard the equipment is being pushed from moment to moment. =EF=BF=BD
>
> >The distance is more than 1000 feet (probably more like 2000 ft). =EF=BF=
=BDIf I
> >were to buy a single cord that is suitable for this job, I'm guessing the=
> >outlet itself would be the limiting factor in terms of resistance and
> >heat, and I don't want to start any fires. =EF=BF=BDI'm not even sure if =
a wire
> >that is a large enough gauge would even come with the standard outlet
> >plug.
>
> >At this power draw and distance, even several 120-V outlets might not do
> >the job, if the wire that runs from the power lines to the outlet box (or=
> >any internal wiring) is not a heavy enough gauge. =EF=BF=BDFor this type =
of job,
> >do I need to look into other methods of getting enough power from the pol=
e
> >besides running several extension cords?
>
> >Does anyone have any specific advice on how to tackle this problem? (i.e.=
> >what type of gauge wire, how many extension cords, how to correctly tap
> >the power lines, etc.)
>
> >Your help is most appreciated.
>
> 3kw is at least 30a of 120v current. =EF=BF=BDYou could plug it all into t=
wo
> outlets on two circuit breakers, if you weren't 3000 feet away. =EF=BF=BDS=
ince
> you are, there would be a great deal of loss in the lines going back,
> and you'd have to run two cords. =EF=BF=BDYour best bet is to rent one lar=
ge
> quiet generator; get 4-5kw so you aren't pushing it too hard. =EF=BF=BDIf =
you
> want to buy something, buy a pair of Honda EU 2000 units with the
> parallel wiring kit. =EF=BF=BDThey are very quiet and will likely last for=
ever
> in the use you propose. =EF=BF=BDThis would probably be only about double =
the
> price you'd pay for the wiring to do the job with extension cords, and
> it would actually work.- Hide quoted text -
>
> - Show quoted text -
if its a one shot deal, the best bet is a generator.
if its a long term use location direct burial cable, or even get a
quote from the local power company for some poles and a transformer at
the site.
such a estimate should be free.
if you can get a vehicle to the location, and thats likely given the
equiptement used.
a generator powered from a vehicle, or a inverter on a vehicle, or two
inverters on 2 seperate vehicles might be cost effective.
inverters are nice to have around
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