I will ask a sober well pump installer in the area about the two energy draws of the bomba and more specifications. It may take a week or more to get an answer. Thanks for your tenacity and patience.
thanks mem for your experience and imput, I am considering all options at this point,
Letâs speculate while you are getting those numbers.
A typical 220VAC submersible well pump rated at 5HP might have a ânormalâ running load of maybe 5 amps. 1100 watts if you really have 220 VAC.. rural power is often less than 220.
But when that well pump motor is starting up, it might be drawing 25 amps for a short time. After checking with a local chispas with experience here, a battery bank with three typical lead acid auto batteries of about 80 Ah may be able to handle that short power draw a few times without becoming depleted, assuming that the inverter and conductors are suitable for supplying enough power, since it has to convert the battery DC power into single phase AC.
Are there other batteries more suited for the load differencial??
There are several types that could serve your purposes but the usual auto type batteries can be had for moderate prices in CL. OK, yes, âmoderate prices in CLâ sounds like a joke. Letâs say comparatively.
Conventional wisdom suggests using deep cycle for power backup since you can drain them down fairly low in the worst of apagones without damage. And these can be found in various electrolyte versions, from simple sealed lead acid to AGM to gel and some others.
From what I have seen, a deep cycle gel cell 100 AH battery would go for the equivalent of about US$200. Prices and qualities vary
Middle quality 100 AH sealed lead acid battery for auto use, maybe about the equivalent of US$120 These donât like to be deeply discharged like the âciclo profundoâ types but can offer the high amperage you need for cranking up a higher output well pump.
When you get your well pump energy use we can plot some numbers.
Returning to the storage tanks question, this might not be helpful if you already have decided on the tanks you have, but there is discussion among the cognoscenti that there is wisdom in storing greater quantities of water as high as possible to achieve good pressure. The wisdom part is that it is more efficient to have that potential energy by storing water than by storing energy in batteries. But pressure may not be an issue if you are just watering and I presume that you use clean bottled water for cooking and drinking? Untreated stored tank water gets rather funky quite quickly in a Cauquenes region environment.
Very believable, been here for some of those record-setting days but because the sanctuary is on a hilly plateau between 2 mountain ranges, a shady spot with the north south breezes makes the heat more tolerable than a hot muggy day in Miami or Manhattan. Dry heat is manageable as long as you have shade and a prevailing breeze. It hasnât been worth the cost of buyung an air conditioner when all you have to do is relax with a book under the pine tree or chill on the porch (both receive the north/south breezes) during the hottest part of the day. Those daily winds are my friends except during fire season,
thanks for your comprehensive analysis of the pros and cons of solar in the 7th, with my monofasaic well pump. Perhaps we are nearing the stage where all that is left are the unknown unknowns,
âThere are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we donât know. But there are also unknown unknowns. There are things we donât know we donât know.â Donald Rumsfeld
and what is that other one⌠oh, yes âIgnorance is blissâ. insert smiley face and wink.
Excellent solution for short term outage!!! I am thinking a month or six,