Solar equipment - weather protection

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Postby gyre » Mon Oct 04, 2010 11:47 pm

Trishntek wrote:For my xray equipment, dielectric grease is ESSENTIAL since over 98% of the energy used to make an xray is wasted in heat. Nope still not an efficient technology, but after all it does allow me to see THROUGH you! Anyway, this morningstar you refer to above gyre, Do you know of their reputation in the 3-5kV range? Pure sine wave, of course.

Kilovolt or kilowatt?

The solar setup on the playa running 20 kilowatts was running some morningstar inverters.
I've never heard anything bad.
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Postby gyre » Mon Oct 04, 2010 11:54 pm

Trishntek wrote:I've just ordered TWO 120w panels which I intend to use here and on playa. I want it to be portable, so I'm thinking about FOUR 12v batteries, the controller and inverter enclosed in one of those plastic tool boxes with wheels and handle for mobility.

If I epoxy 4" tubing in one end and incorporate the air filter for a motorcycle engine on the outside and a 4"computer fan on the inside-opposite which would exhaust through a similar tube and filter (long fuckin' phrase huh?), would that not sufficiently protect and cool what is within?

I was talking about using an aluminum box to shed heat.
A plastic box could work, but it relies on ventilation only.

Depends.
Fans vary a lot.
It is more consumption too.
A squirrel cage may be called for.
And the heat load from your equipment is the important factor.

The box needs shade too, even if it's only several layers of material with air gaps.
Reflectix maybe?
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Postby Trishntek » Tue Oct 05, 2010 10:54 am

Yeah, sorry about that 3-5kWatts,,,, sheeesh. On the morningstar website they don't show anything other than the one you demonstrated. And for pure sine wave equipment in the 24volt configuration, it seems Power to Go! is pretty much the only one I can find.

http://www.invertersrus.com/gp-sw3000-24.html
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Postby gyre » Tue Oct 05, 2010 11:44 am

May be.
Possible the big unit I saw was a controller.

Can't search properly now, but I found this.

http://www.theinverterstore.com/the-inv ... hp?cat=PSW

http://www.theinverterstore.com/the-inv ... hp?cat=TFV
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Postby kman » Thu Oct 07, 2010 5:19 pm

Trishntek wrote:
gyre wrote:http://www.morningstarcorp.com/uploads/resources/product-images/suresine-splash.png
A sealed heat sinked inverter.

Depending on the design, you can heatsink your controller to an aluminum box or plate, or extruded heat sink.

Use silicone dielectric grease and learn how to make the physical connection to transfer heat.


For my xray equipment, dielectric grease is ESSENTIAL since over 98% of the energy used to make an xray is wasted in heat. Nope still not an efficient technology, but after all it does allow me to see THROUGH you! Anyway, this morningstar you refer to above gyre, Do you know of their reputation in the 3-5kV range? Pure sine wave, of course.

Morningstar charge controllers are very well respected in the solar world, from what I've seen trolling through various solar forums. I'd imagine these would be, too, but haven't been looking at that class of device too closely.
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