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Thread: Off the grid power
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16th December 2014, 04:52 PM #1SENIOR MEMBER
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Off the grid power
Berlin, I hope this might be of some use.
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16th December 2014 04:52 PM # ADSGoogle Adsense Advertisement
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16th December 2014, 04:57 PM #2SENIOR MEMBER
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And some more, Berlin.
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16th December 2014, 05:06 PM #3SENIOR MEMBER
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The inverter is 7.5kva, the zivan battery charger was purchased during a drought/bushfire season (little water, lots of smoke no sun). we use a 10 kva honda generator to keep the batteries happy during trying times.
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17th December 2014, 08:31 AM #4
Wow, that's quite a set up! Thanks Huon, I'll have a good look at it. How many amp hours do you have in the battery bank?
Sent from my iPhone using Tapatalk...I'll just make the other bits smaller.
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17th December 2014, 08:43 AM #5GOLD MEMBER
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That's an impressive setup Huon.
We are looking for an off grid system to match our new house build (yet to be started), if possible.
Without prying too much, can you advise the cost of such a setup?
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17th December 2014, 12:10 PM #6SENIOR MEMBER
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I'll let you know as soon as the memory bank kicks in, Cava. It was built up in stages, starting with a 24vlt system and help with the RAPs assistance. While we were building our stone house(took 7 years) we lived in a converted dairy, we had two solar panels and two tractor batteries for our lights, a chip heater for hot water and a combustion heater for winter warmth oh and a small bench top gas stove for cooking.The breeze way was our kitchen and shower and the vat room was our living and dining area. Very cosy. and we were considerably younger.
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17th December 2014, 12:45 PM #7
And this all relates to Gardening how???????????
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17th December 2014, 03:18 PM #8SENIOR MEMBER
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It's a long story, Big Shed, but it relates to the odd Pm between Berlin and me. I couldn't work out how to pm pics so I took the liberty of using this site. Sorry if I've upset apple cart.
If it's more convenient you could move it to my post on "suggestions for other forums" site
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17th December 2014, 04:08 PM #9
Thanks, just don't want to see this forum, created at special request, turn in to something other than a Gardening forum.
There is another forum called My Bush Block, which would have been more suitable and it may have been of interest to other people as well.
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17th December 2014, 04:43 PM #10SENIOR MEMBER
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No worries Fred move it across any time, to my "rural block". I do like the sound of my "bush block" though.
Cheers
Brendan
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25th December 2014, 10:19 AM #11SENIOR MEMBER
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Cava this is a rough guesstimate, with raps assistance it probably cost us $30,000 that's including an upgrade from a 24volt system to a 48volt system. At the time the relevant power company wanted about $43,000 to connect into a 3 phase power line running through a neighbours property (500 metres away). To me it's a no brainer considering we haven't paid a power bill since we moved here, probably a saving of approximately $60,000 over 30 years more or less.
Cheers
Brendan
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25th December 2014, 04:57 PM #12GOLD MEMBER
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Thanks Brendan.
Not knowing much about RAPS systems, what is the advantage/disadvantage of a 48V vs 24V setup?
George
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25th December 2014, 05:23 PM #13SENIOR MEMBER
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The RAPS was a government assistance scheme to assist folk in setting up their power systems. As for a 24volt system compared to a 48volt system, well basically a 48volt system gives you a deeper power base. You can store more power and/or you can run more appliances or tools for a longer period of time.
Hope this helps.
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26th December 2014, 12:11 PM #14
Thanks guys for the discussion, I'm planing off grid for my new build home in Tasmania but I'm 12 months away from starting the build. I got the block, the planing permit, the building permit and a new drive, just finished the clearing and levelling for the house and shed. New shed goes up in the new year a nice 12 x 9. Started the research for off grid and even put in a battery room in the house design for off grid. Going to do some work in the new year on the creek that runs through the property to see if it is viable for hydro for the winter to top up solar. Still not decided on every thing at this stage but looking at LG 300w (they might be 350w by the time I get the the install) panels, SMA inverter, 48v system, gel deep cycle batteries and generator back up if the hydro is not suitable. Hope to have about 10kw on two roofs facing North, North West and two evacuated tube hot water systems, one for hot water and one for under floor heating. I know it's going to cost but that's offset by the cost of connecting to the grid as I have to go underground and over 150-200 meters to get to it. So keep discussing and I'll learn more, I wondered why it was suggested to me to go 48v instead of 12v, now I know thanks to you guys.
SBPower corrupts, absolute power means we can run a hell of alot of power tools
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26th December 2014, 09:58 PM #15GOLD MEMBER
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Not sure if an evacuated tube HWS would heat your property in Tasmania. I hope that you have done the calculations.
I know of one energy consultant just south of Launceston who renovated/built, and he had to rely on a wood heating boiler for his radiators through winter.
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