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Can a sunny boy inverter work with a 10kv Generator?

I have a 6.6kv solar array, with a 10kv propane generator. Can I add a 7.0kv Sunny Boy inverter, and will they work, if the Gid goes off line?

Posted by Thomas Novak on


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Dariusz Zalewski

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First I assume that you thinking about kVa not KV? or you really have 10000 Volts generator?

why would you like to add inverter? Considering your setup there is no need for inverter.
the only way you need inverter is when you have dedicated battery bank. This way system would work this way. On sunny day you produce electricity to feed your house and charge battery bank using charger/inverter. Once solar panels atop producing electricity during night system automatically switches to inverter mode and you start using power from batteries. Once batteries goes low then generator kicks in and supply power to home and recharge batteries. Without dedicated batteries there is no use for inverter

Posted on Feb 02, 2019


5 Related Answers


Ibe Chukwudi

  • 290 Answers

SOURCE: When my batteries run low on power the generator

please check the voltage your generator is supplying to the to the inverter because a high voltage and frequency can make the relays in the inverter to make clicking sounds,and also do not allow your inverter batteries to run completely low before you charge it

Posted on Mar 31, 2010


Ibe Chukwudi

  • 290 Answers

SOURCE: Heart Freedom 20 will not default to generator power.

First of all it is possible that the is no power going into the inverter,trace the input source to see if the connection from the generator is ok. check the fuse if it is broken if not, the contactor or switching relay in the inverter is bad

Posted on Apr 09, 2010

SOURCE: We are in Haiti, our

Hi, well you see this happened because the "Load" on the Inverter was more than it could handle. You see the Inverter senses the resistance of the batteries to determine how flat they are and how much current to put into the batteries, if anything else is connected to said batteries, that will simply muck up the sensing,and as has happened in your case destroyed the inverter.
I have serviced many inverters and the most likely failure that would emit sparks etc is failed output semiconductors.
One cannot really use an inverter to charge the batteries, like you did, UNLESS the batteries were completely isolated from the Generators wiring, and even then, your inverter, still may not have enough power to do this. As this is NOT what it was designed for.
Really an inverter is used to step up the Voltage from 12/24 Volts DC, batteries to 120/230 V AC.
Now again, one could use it, to then have a Battery Charger plugged into that, and use the output from the battery charger to charge some "Other" batteries, but that seems a bit roundabout.
Yes the Inverter will charge it's OWN batteries, BUT ONLY if that is the ONLY thing connected to the inverter.

Posted on Aug 20, 2010


  • 14 Answers

SOURCE: i have a 3000 watt magnum energy sine wave

I'm sorry that I can't help you, but if you're in a hurry, you can visit the Magnum website at: and try to find your model's online manual and search troubleshooting advice or you can email customer service at
[email protected] and they should at least be able to lead you in the right direction.

A few questions: Does this problem remain even when there is at least a 10+ watt load on your system? is your Magnum in a hot environment? Does your inverter feel extraordinaryily hot? Have your batteries outlived their lives? Have you cleaned all the connections? Even if they 'look' like they don't need it?

All the best to you.

Posted on Sep 11, 2011


  • 339 Answers

SOURCE: I was given the generator and would like to add plug ins or even breaker boxes Wireing Manual For Briggs & Stration 7KW Model No. 01897 Generator

Try this site. copy and paste.

Posted on Apr 07, 2013

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Can an AC run on a solar panel?

Depends on power requirement. My whole house uses approx 4 kW to run air con and rest of the house power. 19 x 350 solar panels generates 1 kw to 6.5 kw per hour through a 6 kw inverter.
The variance comes from the sun is not always out, or behind clouds and the panels don't face east and west to capture the morning and evening sun.
They are mono crystal which generate about 1 to 1.6 Kw in cloudy conditions.

As I am on the power grid the excess power is feed back to the power company who pay me 6c per k/w that I feed in during sunny days and then charge me 26c per k/w in peak times when it is dark !
Today I got 40 kw/h generated for the day which with feed in tariff is $2.60 as it was sunny. . I could run the air con on 10 kw/h from the power company in the dark , if the a/c used 2 kw I could run it for 5 hours for free.
Where you run into problem is that on a cloudy day you might get 1 k/w per hour . This is not a problem if you use mains power from a power line supplier as it suppliments any short fall. If you are on a no grid connected system you may need to consider Battery Storage as well to charge up when the sun is out and then it supplements the power to your house when it is cloudy or dark.
The solar panels would need to generate enough power to run the house and to charge up the battery system if used.
Batteries have a limited life of 10 years and usually use lithium Phosphate batteries . You tube has many videos on battery systems and off grid solar setups. However batteries are a changing technology with Electric Vehicles becoming more common.

I have a sunny boy 5.0kw inverter and want to know what my total usage if for my house. how do i set this for the inverter to read the supply meter in my meter box

no idea as to the wattage used in your house as it varies with the equipment
you have to go around and add all of the wattages in use your self ---lights each, fridge , freezer , stove , fans each , air conditioners each, toaster , microwave etc and add then all up that will show the total wattage in use for the house
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The answer to your question is 24 volt DC at the highest you can go that's the maximum

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