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Author Topic: Living with a genny..  (Read 16726 times)
Greenbeast
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« on: April 11, 2015, 07:50:45 PM »

We'd love to move on to our land this summer, we've had a quote for a mains connection which we're more than happy with (45kVa/3 phase for 4k) but because it needs a road closure and i think the lead time is 3+ months for a connection.

What are our options for living entirely with a generator (over a few months of summer/autumn)
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Greenbeast
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« Reply #1 on: April 11, 2015, 07:57:36 PM »

Our rush being that the g/f get's her full wage if we vacate the practice-owned property and also we didn't fancy trying to prepare the place in late autumn winter (or waiting till next spring...
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Greenbeast
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« Reply #2 on: April 11, 2015, 09:42:08 PM »

sorry i seem to have put this in the wrong place!
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billi
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« Reply #3 on: April 11, 2015, 10:16:15 PM »

hiya,

sure , why not,  , live with a genny   only  for  a few month .....  , what genny do you have in mind ..., have you got future pans  of renewable s at your new place

probably a small dc generator  charging a small battery and utilize an off grid inverter could make sense .....
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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
knighty
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« Reply #4 on: April 11, 2015, 10:44:27 PM »

if it's just for a few months

then you might as well get a small, cheap, petrol generator

run it when you want to run a microwave / kettle etc.. (low power models)

for lights (12v) / computer (laptop?) just run them from car batteries, with chargers connected to extension leads so they charge when the generator runs
(or use rechargeable 12v lights, so you don;t need any batteries or chargers)

a nice slow diesel generator would be great, a big battery bank would be great, a proper inverter would be great.... but you'll end up spending thousands on something you won't need in a few months...  when you could do the same thing for 300 (ebay generator)
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mike-b-
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« Reply #5 on: April 11, 2015, 10:57:10 PM »

We'd love to move on to our land this summer, we've had a quote for a mains connection which we're more than happy with (45kVa/3 phase for 4k) but because it needs a road closure and i think the lead time is 3+ months for a connection.

What are our options for living entirely with a generator (over a few months of summer/autumn)

Hi reading with interest we were quoted 18k 6 months ago. hysteria 300m. The house only cost 40k maybe thats why it was  cheap  facepalm
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10x230 yingli +aurora2000 ,woodburner, 5x250 hyundia +sunnyboy 1200,  i waste nothing everything is useful i just havent found a use for it yet! Rainwater harvesting ibc system. 270w offgrid in hol home
Ivan
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« Reply #6 on: April 11, 2015, 11:18:41 PM »

Amazingly cheap for providing a decent 3phase connection. We were quoted 17k to upgrade our transformer so that we could export 6kW instead of 3.68kW.

If you go down the DC route, as Knighty suggested, it would be very cheap to add a few PV panels to reduce the generator run times. The low-power stuff is quite easy to deal with. The washing machine and hot water would be a bit more of a challenge.
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www.epogee.co.uk - Solar PV & Solar Thermal Training / MCS
biff
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« Reply #7 on: April 12, 2015, 08:32:15 AM »

A geni is something everyone should have,
                                   Keep it tucked away ready to fire up at a moments notice. I have a silent running Geni which costs around 650.00. It came on a pallet already,topped up with oil and half full of diesel,so all I had to do was pull the wrapper off and turn the key. It is not a lister by any means but it is economic and reliable,apart from me having to replace the solenoid on the starter,due to leaving it out in the elements and the water somehow getting in and dripping down on the starter. It is 5kva and runs full tilt for 6 hours on approx 4.5 lits.
                                                                        Biff
  Mine was called an ECO, Grin and of course hails all the way from China,!!
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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.
stephendv
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« Reply #8 on: April 12, 2015, 08:41:01 AM »

I would go with a small petrol or LPG inverter generator like the one prepared by these chaps: https://www.edgetechnology.co.uk/index.php/edgegen/edge-gen-2000i-1-6kw-inverter-suitcase-generator-365.html
Household loads are typically tiny most of the time, sub 200W with sudden spikes every now and then.   So having a normal 2kW genset constantly running wastes fuel and is unnecessarily noisy.  An inverter gen will run slower and quieter under low/no load.
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http://www.casanogaldelasbrujas.com
2.8kW PV, SMA Sunny Island 5048, 5 PzS 700 battery bank, stinky diesel.
billi
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« Reply #9 on: April 12, 2015, 09:07:36 AM »

.... not sure how good those are ....http://www.ebay.com/itm/NEW-SMART-3000W-PURE-SINE-WAVE-GENERATOR-DC-48V-EMERGENCY-PORTABLE-POWER-INVERTE-/111573801762 , but i like the idea behind it 

-a direct battery charging generator that automatically starts and stops  depending on battery voltage and  an off grid  sinwave inverter attached to it

billi
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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
renewablejohn
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« Reply #10 on: April 12, 2015, 09:38:56 AM »

Living on a farm and suffering from frequent power cuts we bought a lister petter lighting tower as I noticed even though it was running 110v lights it was a standard 3 phase genny which we had rewired to supply either 3 phase or 240V single phase. Being a lighting tower also allows use to tow it anywhere. Cost us 1k and 250 quid for the rewire.
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skyewright
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« Reply #11 on: April 12, 2015, 03:01:16 PM »

It might be worth having a chat with "Pete Power", or at least having a good read through the useful info on his website.

http://www.petepower.co.uk/

I've no connection other than as a satisfied customer. I first found him via a recommendation on the Navitron Forum.  Smiley
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Regards
David
3.91kWp PV  (17 x Moser Baer 230 and Aurora PVI-3.6-OUTD-S-UK), slope 40, WSW, Lat 57 9' (Isle of Skye)
skyewright
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« Reply #12 on: April 12, 2015, 03:38:29 PM »

It might be worth having a chat with "Pete Power", or at least having a good read through the useful info on his website.
I forgot to mention, he also has reconditioned machines...
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Regards
David
3.91kWp PV  (17 x Moser Baer 230 and Aurora PVI-3.6-OUTD-S-UK), slope 40, WSW, Lat 57 9' (Isle of Skye)
Greenbeast
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« Reply #13 on: April 12, 2015, 07:44:30 PM »

Wow thanks guys!
Plenty to read and digest. I think a genny would feature in our futue anyway so it doesn't seem like too much of a wasted purchase.
Going to crazy on batt banks, etc early on does seem extravagant.
Would love to integrate solar pv in the future and i would like to fit solar thermal early on
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jonesy
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« Reply #14 on: April 12, 2015, 08:44:49 PM »

Would love to integrate solar pv in the future and i would like to fit solar thermal early on
Solar thermal was a 10-15 year payback for us assuming nothing broke in that time.  Better to buy more pv and an immersun IMO
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1.1kWp PV & SB1700. 7kW log burner.
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