₦airaland Forum

efuro:
Ooooops!

Oga Frankie thanks.

I picked one (i.e. 2nd hand iron@N2,500) from an electrical store and the new one @2k at gift shop within the hood.

Pix of Belgium one below and both still in service.

Good luck.

wow..good price.
searched on amazon uk..and saw many..with cheapest being about 10gbp = 4700naira. avg price was 15gbp.
will scout around..they r gr8 devices to have..even good when travelling

efuro:


Try this and thank me later.
It is the lowest I could get.
I rarely use PHCN for ironing, it is of no strain on my microtek inverter.
It intermittently draws 3A-AC/580w Max at start for about a minute or so.

thnks, where can I see this to buy?where did you buy yours?

S007:
I advice you get a small iron for inverter use. I once got a 700W iron at Spar some years ago. I have tried looking for the same brand/type everywhere without result. Anybody knows where I can find one?

have been searching for such steam iron..no luck..th3 least i saw was 1450w..n its the automatic steam type.i need the manual steam type.
busz me if u see such

Saipro:
Pretty risky assumption and could lead to early battery failure. Inverter and cabling inefficiencies usually total a minimum of 15% of the power (translated as 85% efficiency). Your 20A pragmatically becomes 17A (assuming C/10 discharge).

Most FLA batteries won't safely take beyond C/8 as discharge (AGM often can tolerate higher). Assuming the stress limit of C/8, that's 21A (though I see no point in pushing batteries to their limits unless absolutely necessary).

Then there's the issue of variable inverter self-consumption ...

hmmm, who do I believe now??.
earlier, some1 said it doesn't matter...that's its only the runtime that it would reduce..i feel its not healthy for the battery, but need science to back it up.
when fully charged, at 50.4v, my 2kw steam iron draws the fla batt voltage to 48.4v, I want 2 know if there is any harm in continuing with this practise

can someone educate me on the max instantenous current draw from a batt bank, without damaging the batt.
eg my 48v 200ah bank, going by 10hr discharge rate, can I assume 20amps is the max draw, thus max allowable instantenous load is 20a x 48v = 1kw load?

I agree 6hrs is not enough to charge the batt bank to float, the 2hp ac thing is just a 1 off event, my bank regular goes into float everyday, even with 10hr daily use of the 1hp inverter ac, phcn is stable in my place, comes on every 3hrs, sometimes every 6hrs, ie u have light from 9am to noon, then its off from noon to 3pm...then comes on by 3pm to 6pm..etc, so even though my 1hp ac runs for 10hrs daily, half of the time, phcn would be availbale,&it would be running off grid and the solar kicks in during the day time hours when phcn is absent. I said earlier 49.2v is the lowest I have seen it go...one of those random days like yesterday..that phcn didn't bring power for 6 to 9hrs straight

I am of the school of thought that lazy batt banks like mine should be depleted to 48.4v once every quarter or 6months to keep it in shape

bigrovar:
Egbon you are playing with FIRE. You do not have the battery capacity nor the pv power to be even considering running AC.. Not even for 30 minutes. Limit your battery discharge not just by the 50% did rule, but most importantly by your capacity to replace what as been discharged within the 5 hours sun window (not as easy as you think with Lead acid batteries) that's bulk, and 2 to 3 hours of current limiting absorption and get your battery to float. If you are not careful you will end up in a cycle of energy deficit which would leave your battery in prolonged under charge state (a battery should get full and proper charge on a daily) the beginning of its demise. Save yourself the hassle and get 3k fuel to power our AC for the event. If you have a 3kw solar array then you care dare to dream the AC life. Just my opinion sha.

lol, I don't have a gen,he gen noise drive me nuts ...…….. and don't have the energy to go scouting to hire.
guess I wasn't so clear, I am not offgrid. phcn is my primary charging source, and we average between 10 to 16hrs daily, in cycles of 3, 4 or 6hrs.we usually have phcn from for 6hrs 9pm t0 6am, so that is what is giving me the impetus to do what am doing,
anyway, the bank tried, being a cloudy day, after about 3hrs, batt voltage hit 48.8v, I promptly turned off the ac and switched to fans, and observed batt voltage gradually creep up and settle at 50v!......and then 49.2v after 3hrs of powering abt 450w load

NiyiOmoIyunade:
2HP is about 1.5Kw - I have seen my own 2HP AC (Thermocool) draw as much as 2Kw when running because of additional components - blower fans e.t.c running.

A 2kw load will flatten your 48v 200Ah battery bank within 4 to 5 hours max even with your panels adding extra juice of 600w as you said. Regardless, your batteries would recover even if they were drained low just once but definitely a C4 or C5 discharge rate is very bad for C20 rated batteries such as you likely have.

More important is whether your 5Kva inverter can even bear the >2kw load at all? What make is the inverter? transformer based or transfornerless? Have you been using the 2HP AC on the inverter before now?

I suggest you simply bypass the inverter and use your Gen to power your 2HP AC for this event/function at your place to avoid any regrets..... except you have been running the 2HP AC off the Inverter on a regular basis in the past?

thanks for the prompt response.
yes i hv powered a normal 1.5hp ac + 1hp inverter ac simultaneously b4..inverter shows 61% load..
i couldnt wait and powered the 2hp ac..load displayed was 11% with only the indoor unit blowing..and jumped to 56% when the outdoor unit kicked in..battery voltage dropped from float of 58v to 50.8v..cc input is btw 550w to 650w..not a sunny day..
intend to keep an eye on the batt voltage..so it doesnt go below 48v...batts hv been having an easy life..never gone below 49.2v on normal use.its a highpower inverter

pls.a quick one.
i hv 12v x 4 x 200ah batts and a 5kva 48v inverter.i also hv 1800w solar panel..hooked to a 60amp cc...i hv a function at my place..and want to power my 2hp ac on the inverter for 2 to 4hrs..its not such a sunny day so output from panels maybe low..say 600w/15amps..my batts are on float now..so cant tell what the panels will contribute if/when i power thr gen.

so my question is. woyld running the 2hp split ac for 2 to 4hrs damage my batt bank?.
would prefer 2 scenarios
1.zero input from panels
2.15a to 20amps input from panels

NiyiOmoIyunade:
No please! Do not drain electrolyte except you notice a catastrophic decline in performance that equalization e.t.c cannot fix.

Sediments are a natural part of battery charge and discharge as the active plate material erodes away (battery charging/discharging & discharging is actually really a corrosive/destructive electro-chemical process) and most quality batteries have a substantial sediment trap at the bottom to ensure the broken off sediments are contained and do not short out the battery.

More especially, actually replacing electrolyte (not talking about topping off with distilled water here o) is a very stressful process and certainly not for the faint of heart.

lol, frankly I wasn't looking forward to that, learnt 1 single fla batt takes 20liters of electrolyte!

@ola28, pls whats the reason for sale?, is ur price flexible?