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stmbtwle

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Reply with quote  #41 
Try this one Mike (there are several pages)

https://science.howstuffworks.com/environmental/energy/question501.htm

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay

Aussiemike

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Reply with quote  #42 

Think I am all sorted here.

Would just like to thank all who contributed.
Knowledge is no weight to carry.
Cheers
Mike

 

Rick H Parker

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Reply with quote  #43 
"Was with another forum called Solar Panel Talk but felt like I was in kindergarten talking to university professors."

I went and checked them out, they are a far cry from University professors. Egotistical morons that cannot read would be a better approximation. The experience was like being in kindergarten again.

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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
Rick H Parker

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Reply with quote  #44 
Quote:
Originally Posted by Aussiemike
Was with another forum called Solar Panel Talk but felt like I was in kindergarten talking to university professors.


I check it out Solar Panel Talk, they are not university professor grade.

Most likely you could not make any sense of what they where saying because they where talking nonsense.

You won't get razzle dazzled with bull from me or anybody else here.

I know you don't like my style but I'm not the only one here.


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Rick H Parker
Kansas, USA
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Tedx

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Reply with quote  #45 
This topic interests me because it is almost identical to the solar system  I am trying to put together.  In fact, I just returned from my new off-grid property, Ark of Oz, 22 acres atop a steep hill at 1,000 ft. elevation, located in Arkansas just above the Buffalo River and National Forrest.  So far, the herds of Whitetail deer have not trampled me. 
 The cottage that came with my property is wired for 220, which my Yamaha 360 gas generator easily provides power for.  Generators are noisy and cost fuel, so I'm going solar.

I now have eight  12v,100w solar panels to mount on a flat tin roof of my generator room (10' x 16').  I have the same 40a 12/24v MTTP charge controller Aussiemike is using. I have 8 flooded 6v golf cart batteries I intend to series in 24v bundles.  I will probably get 4 more.  I have a pure sine inverter that tansforms 24v dc to 220 ac. 

I plan to attach in series the 8 panels into two 48v arrays (with the option of 4 more in front of the hut, facing South).  I will have to attach 20' wires to the + and - ends of each array and attach them to the 40a charge controller, set to charge the 24v battery bank.  The battery bank will  connect to the inverter, which has two 220v ac female outlets.  The 220v ac plug to the cottage will be pulled from the generator and plugged into the inverter.  

The question remains:  Will it work?
This topic has given me important insight to events I had not fully understood, like circuit breakers and wire size.  



Aussiemike

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Reply with quote  #46 

Good luck Ted. These guys have been a great help.

Diagrams are always good if you are handy with any drawing programs.

Aussiemike

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Reply with quote  #47 

Hi Guys, Just blown my 3kva inverter up.

Been offered this Power Walker 24v 3kva one for a few hundred dollars.

What is the "In" terminal refering to?
Obviously the out terminal is the 240v
Cheers Mike Capture.png 


stmbtwle

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Reply with quote  #48 
It's an inverter-charger.
The 'in' terminals are "line in" and connected to your normally-live breaker panel. The 'out' terminals go to the load. If you have power to your 'in' terminals it is automatically fed to the 'out' terminals, the inverter is off and the charger is on. If the input goes down, the inverter comes on and provides power to the output.

Bear in mind this is just a guess on my part. Read the manual before attempting to connect it.

Manual for the 3000:
https://powerwalker.com/manuals/Inverter/PowerWalker%20Inverter%203000%20PSW.pdf

Datasheet: https://powerwalker.com/?lang=en&page=product&item=10120209

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
Aussiemike

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Reply with quote  #49 
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