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Author Topic: My brain's not quite big enough. battery storage question.  (Read 9464 times)
billi
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« Reply #45 on: April 12, 2014, 08:14:24 AM »

Having looked at gridwatch France a few times I can see why they would not want mass uptake of pv. Is it not the case that they have put too many of their eggs in one basket (nuclear) and quite often France seems to be a massive European interconnect getting rid of power to most adjoining countries. Adding lots of uncontrolled pv would surely make this worse.


Same in Germany , massive exporter of electricity  , a lot of coal  power unfortunately

But should this lead to the conclusion into  restricting PV and Wind ??  Or other way round  Roll Eyes
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1.6 kw and 2.4 kw   PV array  , Outback MX 60 and FM80 charge controller  ,24 volt 1600 AH Battery ,6 Kw Victron inverter charger, 1.1 kw high head hydro turbine as a back up generator , 5 kw woodburner, 36 solar tubes with 360 l water tank, 1.6 kw  windturbine
stephendv
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« Reply #46 on: April 12, 2014, 08:22:26 AM »

Need more european interconnects and agreements perhaps? (That way the germans can renounce nuclear energy and still buy it from france  whistlie )  Oh and pick a monkey at random and put it in charge of Spain's energy policy because it'll be an improvement over what we currently have  banghead

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http://www.casanogaldelasbrujas.com
2.8kW PV, SMA Sunny Island 5048, 5 PzS 700 battery bank, stinky diesel.
clockmanFR
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« Reply #47 on: April 12, 2014, 09:15:42 AM »

Congratulations.  genuflect

"flicked the switch tonight now battery power for night time use "

Nice one Going Green, Its a wonderful empowerment.



Look after them batteries, you will never have enough  Wink.


Now lets see if we can get Mart to move.......
« Last Edit: April 12, 2014, 09:19:32 AM by clockmanFR » Logged

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biff
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« Reply #48 on: April 12, 2014, 09:28:14 AM »

Excellent stuff G.G,
       I can tell you are a little excited and a err ,a  errr somewhat busy
           But do be careful old chap.We once had a member who got carried away
           on a mix of mirrors and spirit. Not quite smoke and mirrors but he did overdo it
          and ended up ranting poetry by the mile.
         Some nasty  probably put him up to it.
                                  Biff
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An unpaid Navitron volunteer,who has been living off-grid,powered by wind and solar,each year better than the last one.
todthedog
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« Reply #49 on: April 12, 2014, 09:43:39 AM »

Congratulations GG

France's huge dependence on nuclear power can I believe be put down to fear of relying on others for the generation of it's electricity, notably countries who are less than politically stable, likely to hike the price, or are long time foes.
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going green
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« Reply #50 on: April 12, 2014, 11:03:46 AM »

the gride tie this morning kicked in at around 06.15am and dropped out last night at 19.50 going back for a rest up to late last night need zzzzzzzzzzzz but will put the dish washer on in 15mins suns out

if any watching Tv Now put on channel Dave making a small water turbine 11.00am Uk time GMT
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Tinbum
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« Reply #51 on: April 12, 2014, 12:30:27 PM »

the gride tie this morning kicked in at around 06.15am and dropped out last night at 19.50 going back for a rest up to late last night need zzzzzzzzzzzz but will put the dish washer on in 15mins suns out

if any watching Tv Now put on channel Dave making a small water turbine 11.00am Uk time GMT

Know what its like, I was up till 3am trying to alter a sketch for the Arduino so I can run the house off the Trace inverter with the PV connected to the AC side.
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85no 58mm solar thermal tubes, 28.5Kw PV, 3 x Sunny Backup 5048, 3x Sunny Island 5048, 2795 Ah (135kWh) (c20) Rolls batteries 48v, Atmos wood gasification boiler, Brosley wood burner, 2000lt buffer tank and 250lt DHW
bath_ed
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« Reply #52 on: April 12, 2014, 02:12:04 PM »

France has recently decided not to try to increase its nuclear share and instead concentrate on renewables especially PV. They of course are not abandoning nuclear just switching to renewables for further expansion. I'm not sure how they plan do this as nuclear and PV aren't an ideal match.

Ed
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todthedog
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« Reply #53 on: April 12, 2014, 03:03:22 PM »

Ed,
 A big increase locally in wind turbines,   Grin fought every inch of the way by nimbys .

As far as individual PV is concerned , France is a republic, the provision of solar PV is seen as a good money making opportunity for the middleman, (more jobs) great publicity (the equivalent of the green agenda).  However it is made as difficult as possible for individuals to DIY.  Prices are artificially inflated. Both CM and I import our stuff, even allowing for the transport it is significantly cheaper elsewhere in the EU.  This is a great shame. banghead

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going green
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« Reply #54 on: April 12, 2014, 03:23:54 PM »

the gride tie this morning kicked in at around 06.15am and dropped out last night at 19.50 going back for a rest up to late last night need zzzzzzzzzzzz but will put the dish washer on in 15mins suns out

if any watching Tv Now put on channel Dave making a small water turbine 11.00am Uk time GMT

Know what its like, I was up till 3am trying to alter a sketch for the Arduino so I can run the house off the Trace inverter with the PV connected to the AC side.
love it  genuflect my drawing book is full of ideas i put something down as the old memory cells in my head are slowing up  facepalm

are you building your own Arduino to tailor for yourself ?
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Tinbum
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« Reply #55 on: April 12, 2014, 04:08:02 PM »


love it  genuflect my drawing book is full of ideas i put something down as the old memory cells in my head are slowing up  facepalm

are you building your own Arduino to tailor for yourself ?

Yes, It's based on the openenergy forum MK2i and has been running for over a year now with 5 battery chargers, 2 immersion elements, and 3 3Kw heaters on it, it now has a modified tumble drier on it as well. (Had to internally rewire that and change the timer and at the same time I also made it auto reverse tumble. Stops the washing ending up in a big ball inside!!) The Arduino also has timers so I can run heat pumps without lots of cycling but without draining the batteries or importing from the grid.

I'm now adapting the sketch to turn loads on based on off grid voltage as well as the CT and also based on off grid frequency. As the only programing I had any previous knowledge of was basic its all a steep learning curve!!
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85no 58mm solar thermal tubes, 28.5Kw PV, 3 x Sunny Backup 5048, 3x Sunny Island 5048, 2795 Ah (135kWh) (c20) Rolls batteries 48v, Atmos wood gasification boiler, Brosley wood burner, 2000lt buffer tank and 250lt DHW
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