aizakun:
pls some one should help me calculate my flat power needs
1 PC 65 inches Smart TV
1 PC 43 inches smart
1 pc 32 inches LED TV
3 ceiling fans
12 energy saving bulbs 18;watts
thank you as I patiently wait answers
I want to purchase batteries and solar panel and mppt charge controller

Your LED TVs consumption are usually twice the inches size at full blast, so except they all have power saver (energy saving mode), then you are in for some power guzzling.

65 inches smart - Approx 135 watts
43 inches smart - Approx 80 watts
32 inches - Approx 70 watts
Ceiling fans - I don't have much idea about those.
Energy saving bulbs: I'll wager those are CFL. 18watts in 12 places is a whopping 216 watts

For your bulbs, I'll suggest you jettison those CFLs for LED bulbs. 5 watts LED bulb equates about 18 watts CFL in lumen. So your 12 bulbs in LED will give you like 60 watts which is very manageable.

Your watts total around 345 watts (approx 350 watts). You even get to reduce it further to less than half of that if your TVs are power savers. I also believe not all appliances will be in use simultaneously, maybe one TV at any one time will be working.

mcTrinity:


Hi Expertt,

You need only 132 units of 200Ah Lead-Acid Battery to give you 6600Ah Battery Bank (@48V and 50% DoD) that you need...

You also need 160 units of 300W PV Modules to give you 48KW PV Array that you need...

You also want to know how many Charge Controllers you'll need

Cheers

You even started the savagery politely...

ceaser:


Your LED TVs consumption are usually twice the inches size at full blast, so except they all have power saver (energy saving mode), then you are in for some power guzzling.

65 inches smart - Approx 135 watts
43 inches smart - Approx 80 watts
32 inches - Approx 70 watts
Ceiling fans - I don't have much idea about those.
Energy saving bulbs: I'll wager those are CFL. 18watts in 12 places is a whopping 216 watts

For your bulbs, I'll suggest you jettison those CFLs for LED bulbs. 5 watts LED bulb equates about 18 watts CFL in lumen. So your 12 bulbs in LED will give you like 60 watts which is very manageable.

Your watts total around 345 watts (approx 350 watts). You even get to reduce it further to less than half of that if your TVs are power savers. I also believe not all appliances will be in use simultaneously, maybe one TV at any one time will be working.

thanks,so the battery and solar panels I need,will it be lower than what ojesky suggested since I will be using LED bulbs?

aizakun:

thanks,so the battery and solar panels I need,will it be lower than what ojesky suggested since I will be using LED bulbs?

If you reduce your load to half of what was calculated, the number of batteries and panels you'll need will also be reduced by half or nearly half.

mctfopt:


The type I have seen are all 100w+ and I wonder if that's the normal for it. Especially as they have also have heating element.

The heating unit usually have a different switch that enables its control by choice. Flipping that switch on can increase the total consumption to as much as 850 watts. However the freezer compartment alone is usually below 100 watts

There was a time I had to go hunting for one. I checked a shop that had up to 30 different brands. The least freezer compartment consumption I could find was around 89 watts. I just dropped the idea of acquiring one.

aizakun:

thanks,so the battery and solar panels I need,will it be lower than what ojesky suggested since I will be using LED bulbs?

It won't be lower than what has been prescribed. But lower loads will make you enjoy things more.

mcTrinity:


Hi Expertt,

You need only 132 units of 200Ah Lead-Acid Battery to give you 6600Ah Battery Bank (@48V and 50% DoD) that you need...

You also need 160 units of 300W PV Modules to give you 48KW PV Array that you need...

You also want to know how many Charge Controllers you'll need

Cheers

Jesu Christy!
And he should be prepared to change the batteries regularly due to unbalanced issues.

Expertt:
I already have 25kva diseal Gen, am planning for 20kva Inverter but I need to know the number of 200ah batteries and 300w mono solar panels that will be able to run 12kw load for at least 12hrs

I think you will be better off acquiring different inverters for your machines with their individual batteries, I believe that will be more efficient

eleojo23:


You even started the savagery politely...

Lolzz

mank1234:


Jesu Christy!
And he should be prepared to change the batteries regularly due to unbalanced issues.

Well, it's just 33 strings... If they're paralleled through a bus bar, he should be fine. And maybe also use Balancer.... Just 33 balancers

Hello house. Please who knows of has used Proton H inverters, how reliable and good are their product? Also, what do you think about prag H-inverter. Are they also reliable? Thinking of getting any of the 2 but confused as to which is rugged and serve me well. Thanks.

I appreciate everyone for your nice contributions, I was actually thinking of paralleling some of these hybrid Inverters that has battery less mod, like once advertised by MPPSolar whether it could require less number of batteries since load will only be used during the day when sun is up. So I think I should continue on Gen for now maybe in future I will have what it takes to go completely solar. Thank you very much guys.

Expertt:
I appreciate everyone for your nice contributions, I was actually thinking of paralleling some of these hybrid Inverters that has battery less mod, like once advertised by MPPSolar whether it could require less number of batteries since load will only be used during the day when sun is up. So I think I should continue on Gen for now maybe in future I will have what it takes to go completely solar. Thank you very much guys.

Should have actually made this intention known, instead of just saying you want to know the number of batteries and panels to run 12kw loads for 12hrs...

That setup is very possible where you'll only have need for minimal number of batteries. There's a combo of Victron Quattro and Fronius that'll give you that perfect setup. For a very proper design and cost, you might want to contact Solar Depot.

MPPSolar users can also help you out if the system can adequately do that..

Cheers

ceaser:


The heating unit usually have a different switch that enables its control by choice. Flipping that switch on can increase the total consumption to as much as 850 watts. However the freezer compartment alone is usually below 100 watts

There was a time I had to go hunting for one. I checked a shop that had up to 30 different brands. The least freezer compartment consumption I could find was around 89 watts. I just dropped the idea of acquiring one.

Thanks for the feedback and thanks to mcTrinity as well. I think I have enough info now

Expertt:
I appreciate everyone for your nice contributions, I was actually thinking of paralleling some of these hybrid Inverters that has battery less mod, like once advertised by MPPSolar whether it could require less number of batteries since load will only be used during the day when sun is up. So I think I should continue on Gen for now maybe in future I will have what it takes to go completely solar. Thank you very much guys.

The batteryless model (GK series) does not support parallel option, you can however work around it with proper load separation

I would like to know too.

zub:
Hello house. Please who knows of has used Proton H inverters, how reliable and good are their product? Also, what do you think about prag H-inverter. Are they also reliable? Thinking of getting any of the 2 but confused as to which is rugged and serve me well. Thanks.

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mcTrinity:


Hi Expertt,

You need only 132 units of 200Ah Lead-Acid Battery to give you 6600Ah Battery Bank (@48V and 50% DoD) that you need...

You also need 160 units of 300W PV Modules to give you 48KW PV Array that you need...

You also want to know how many Charge Controllers you'll need

Cheers

you forgot to add the cost element.
lemme helep you
cost of 1 unit 12v 200ah battery is between 100k to 200k depending on brand
cost of 300w solar panel is between 40 to 70k, depenidning on brand.

hope now, you understand why people arent interested in answering your question, the cost is humoungous..and makes no sense running such loads on inverter

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kiekie1:
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nice one frankie.
what are the actual harvests you have seen from the wind turbines?
i choose not to believe the 3600w tag on them, abi they meant 3600wh daily harvest?

Malevonent:


nice one frankie.
what are the actual harvests you have seen from the wind turbines?
i choose not to believe the 3600w tag on them, abi they meant 3600wh daily harvest?

Hello, I will update more on these soon .. Stay tuned !!

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Please how much is it going to cost to set up a solar inverter that can conveniently power a 43" led tv, 2 standing fans, 6 energy saving bulb, a freezer, and can last for about 12hrs a day?

earthrealm:


you forgot to add the cost element.
lemme helep you
cost of 1 unit 12v 200ah battery is between 100k to 200k depending on brand
cost of 300w solar panel is between 40 to 70k, depenidning on brand.

hope now, you understand why people arent interested in answering your question, the cost is humoungous..and makes no sense running such loads on inverter

Thanks

Expertt:
I appreciate everyone for your nice contributions, I was actually thinking of paralleling some of these hybrid Inverters that has battery less mod, like once advertised by MPPSolar whether it could require less number of batteries since load will only be used during the day when sun is up. So I think I should continue on Gen for now maybe in future I will have what it takes to go completely solar. Thank you very much guys.

You can check Growatt SPF5000TL-ES model , Max PV input voltage is at 450V and can parallel 6units and at 48V,

So, you can use this for your load.

Also you may need to incorporate a soft starter to kill the high start up current draw from the motors when theya re switched on which is as high ads 300%.

Cheers

Good day Sir - I agree with everyone that a system design scope such as this is beyond the purview of DIY.

That said, it may be very useful to decide are these loads going to run during the day time only? In that case you are looking at more solar panels and fewer batteries (just enough to cover energy transients). Something in the direction of an AC coupled solution.

If the loads will run mostly at night then more batteries would be required to run 12 hours. A mix of Gen time and battery backup time (run the Gen at near its sustainable peak) for a few hours every night to give the batteries some boost/juice may be cheaper than going all out on batteries.

Whatever you do that involves batteries at this scale, please avoid 12v batteries - rather go for industrial grade 2v lead acid or lead carbon or better yet Lithium batteries so you get a stable and long lived system.

While a single inverter of suitable rating may power 12kw continuous, it may be best to spread the load around 3 smaller inverters for fault tolerance - perhaps some of the loads are even 3 phase? In that case, a 3 phase setup using Victron or similar inverter is ideal - all can share thesame battery bank or different battery banks as design parameters dictate.

Expertt:
Good day all, please how many batteries and solar panels can power a 15kw Inverter for 12 hours assuming the total load on the Inverter is 12kw continuously for 12 hours . Note: the load consists of mainly pumps, electric motors and 1kw electric heater. Thanks

folash:
Please how much is it going to cost to set up a solar inverter that can conveniently power a 43" led tv, 2 standing fans, 6 energy saving bulb, a freezer, and can last for about 12hrs a day?

Start thinking above 500k first

Battery
Panels
Inverter
Charger controllers

Even with the cheapest chiko material

spartacus11:


Start thinking above 500k first

Battery
Panels
Inverter
Charger controllers

Even with the cheapest chiko material

It will be a miracle if 500k does that reliably

ojeysky:


It will be a miracle if 500k does that reliably

Yes ohhh. Is not even enough, bcus that is the boat i am in right now

this people should not copy our NEPA ohhh


https://www.youtube.com/watch?v=HFHDpErtNP0

Any lithium builder in Naija abeg i want to learn work


https://www.youtube.com/watch?v=PVnQ87Fvsk4