Wrenches,I have been asked about sizing PV systems for a couple different music
festivals that have been run solely off of generators in the past. The problem
i'm having is determining the energy consumption of music/stage (amps,
speakers, lights, etc...?) loads as well as concession. The
On 4/27/2011 3:51 PM, benn kilburn wrote:
Wrenches,
I have been asked about sizing PV systems for a couple different music
festivals that have been run solely off of generators in the past.
The problem i'm having is determining the energy consumption of
music/stage (amps, speakers, lights,
Benn,
I've had requests like this in the past and have found in EVERY case the
customer has no idea that it will take a $$$multi-tens-of-thousands to replace
the generator power. If you have the estimating experience, throw out a very
large ballpark number to see if their eyes get wide. You
On 4/27/2011 4:50 PM, Starlight Solar, Larry Crutcher wrote:
Benn,
I've had requests like this in the past and have found in EVERY case
the customer has no idea that it will take a
$$$multi-tens-of-thousands to replace the generator power. If you have
the estimating experience, throw out a
Ask SolarFest in Vermont how they did it.
Sent from my Verizon Wireless BlackBerry
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From: boB Gudgel b...@midnitesolar.com
Sender: re-wrenches-boun...@lists.re-wrenches.orgDate: Wed, 27 Apr 2011
16:56:53
To: RE-wrenchesre-wrenches@lists.re-wrenches.org
Reply-To:
I think its CV Solar that does the Solarfest system. http://www.cvsolar.com/
Thanks
Rich
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[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of
wire...@gmail.com
Sent: Wednesday, April 27, 2011 8:06 PM
To:
Solarfest in Taos had a solar powered stage for years, so it definitely can be
done. I've been into sound stuff lately, and I can say the loads are extremely
variable.
I have a 600 watt rated amp, (class D design) that I peaked at 270 watts input
and averaged about 150 watts while I was testing
It's the lights that will get you. JB should chime in here soon, but as I recall SF in Vt maxed at around 15-20kw for sound and in the neighborhood of 50k for lights.Dan BrownFoxfire Energy Corp.Renewable Energy Systems(802)-483-2564www.Foxfire-Energy.comNABCEP #092907-44
Original
Benn,
I have a little experience from about a decade ago. Don't know how useful it
will be though.
AEE and DC Power used to team up to supply power for a three-day outdoor music
festival in Mendocino Co, CA in the mid 90's and early 2000's. Music from 5-8PM
on Friday, and from 11AM-10PM on
HI Brian,
I would add that remember we had to take out the400 amp class T fuses because
they kept blowing!
jay
peltz power
On Apr 27, 2011, at 6:13 PM, Brian Teitelbaum wrote:
Benn,
I have a little experience from about a decade ago. Don’t know how useful it
will be though.
AEE and
Yep- lighting can be a killer, especially if not LED. I have experience with
mobile solar and stage power. Email me directly for more info. I can tell you
that I just did an Earth Day concert (3 years running) with a mobile solar
trailer for 3000 people and they did not make a Magnum 4048
Benn,
I totally agree with everything Brian and Jason said, especially the aspect of
the chronic and *significant* UNDER-estimation of the power needs by the sound
equipment crew.
Earlier comments in this thread from Larry (Starlight Solar), Ray Walters,
Jason (Fafco Solar) are also spot on.
Just as an aside, today's inverters are pretty much a Class D audio
amplifier anyway.
An inverter ~could~ actually be used for a subwoofer amplifer in some
cases.
I've always wanted to have an inverter with an audio jack on it just for
that and actually
did try that back a Trace
Dan;
Your system sounds great. I'd love to hear it sometime.
Just one question: how come no tube amps?
You're going to have some guitar players screaming; most of the best guitar
amps are all tube these days.
I know they waste a lot of power, but they're usually small compared to the PA
system.
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