carreport:
I have a rockie question

When 2 inverters are connected in parallel,

Live + & Neutral - outputs from the 2 inverters are they connected together to give a single output or only the neutrals - are connected and the two live + are connected differently?

Hmmmmmmm. There is something called "phase" in alternating current (AC) which makes combining two AC sources into one difficult to achieve unlike DC. The wave of AC is sinusoidal and for you to combine two AC sources, they need to be in sync or same phase in the sine wave. That is why paralleling AC inverters require data communication between the two to achieve a stable output.

That is the long answer. The short answer is don't do it UNLESS your inverters come with accessories for paralleling them. Otherwise you may see fireworks and damage the two inverters.

carreport:
I have a rockie question

When 2 inverters are connected in parallel,

Live + & Neutral - outputs from the 2 inverters are they connected together to give a single output or only the neutrals - are connected and the two live + are connected differently?

Connecting the inverter in parallel is difficult except the inverter has the facility to synchronize the phase difference, but you can use the two inverter simultaneously by properly sharing the load among the two inverter but using the same battery bank.

adrusa:


Hmmmmmmm. There is something called "phase" in alternating current (AC) which makes combining two AC sources into one difficult to achieve unlike DC. The wave of AC is sinusoidal and for you to combine two AC sources, they need to be in sync or same phase in the sine wave. That is why paralleling AC inverters require data communication between the two to achieve a stable output.

That is the long answer. The short answer is don't do it UNLESS your inverters come with accessories for paralleling them. Otherwise you may see fireworks and damage the two inverters.

Yes the Growatt 5kva hybrid inverters come with paralleling kit and their manual shows that the AC output can be combined.

I just want to be triple sure since I haven't seen it done before

whiteMandingo:


YEAH, WEATHER HAS BEEN BAD.. PANELS ARE DOING BETWEEN 200 TO 300% INSTALLED CAPACITY....UNLIKE THE NORM OF 300 TO 450%. WILL BE SURE WHEN THE RAINS COME AND WASH OUT THE DUST IN THE LOW EARTH ORBIT

Sorry could you expatiate further on the 200% to 300% of installed capacity. I'm lost cos I would naturally consider that an exceptional performance

adrusa:


Hmmmmmmm. There is something called "phase" in alternating current (AC) which makes combining two AC sources into one difficult to achieve unlike DC. The wave of AC is sinusoidal and for you to combine two AC sources, they need to be in sync or same phase in the sine wave. That is why paralleling AC inverters require data communication between the two to achieve a stable output.

That is the long answer. The short answer is don't do it UNLESS your inverters come with accessories for paralleling them. Otherwise you may see fireworks and damage the two inverters.

I like the short answer!

Dishtech:

Connecting the inverter in parallel is difficult except the inverter has the facility to synchronize the phase difference, but you can use the two inverter simultaneously by properly sharing the load among the two inverter but using the same battery bank.

So it's better to feed them into different phases in the house then?

alstacs:


Sorry could you expatiate further on the 200% to 300% of installed capacity. I'm lost cos I would naturally consider that an exceptional performance

If your total installed capacity is 5 pieces of 200watts panel, thats 1000w. A perfect system will generate 500% of this or 5x which is 5000wh and above. In this dusty season such a system is doing only btw 2000wh to 3000wh.

Hope its clear now

carreport:


Yes the Growatt 5kva hybrid inverters come with paralleling kit and their manual shows that the AC output can be combined.

I just want to be triple sure since I haven't seen it done before

Since you have the wiring diagram and all the accessories, Simply wire accordingly, AC input and Output must be connected together, batteries must be connected to same bank.

Do all this before switching on the Power on the inverter.

Update
That I meant in Bolded is
Input of Both inverter must be connected together as well as Output of both inverter, must be connected

Any port Harcourt based pro solar installer in the forum to please kindly reach out to me via contact on sign.

With pictures of recent install and a brief discussion.

NB: Open for 24 hours from time of posting

Kindly check through your post, maybe a typographic error

Dam5reey:


Since you have the wiring diagram and all the accessories, Simply wire accordingly, AC input and Output must be connected together batteries must be connected to same bank.

Do all this before switching on the Power on the inverter.

adrusa:

That is the long answer. The short answer is don't do it UNLESS your inverters come with accessories for paralleling them. Otherwise you may see fireworks and damage the two inverters.

Abeg, I get question. In the pictures below, I have two inverter connected to my battery.
The red one is use to power television, the black one is use to charge the battery. I hope there is nothing wrong?
They both don't give output simultaneously.

islamics:


Abeg, I get question. In the pictures below, I have two inverter connected to my battery.
The red one is use to power television, the black one is use to charge the battery. I hope there is nothing wrong?
They both don't give output simultaneously.

Good to go
One is like a charger
The other is ur inverter

islamics:


Abeg, I get question. In the pictures below, I have two inverter connected to my battery.
The red one is use to power television, the black one is use to charge the battery. I hope there is nothing wrong?
They both don't give output simultaneously.

Nothing wrong...

islamics:


Abeg, I get question. In the pictures below, I have two inverter connected to my battery.
The red one is use to power television, the black one is use to charge the battery. I hope there is nothing wrong?
They both don't give output simultaneously.

No, this is not a problem. You can use multiple inverters on a battery bank once you don't combine their outputs. They can supply different circuits or devices.

olopan:
Kindly check through your post, maybe a typographic error

Sorry, this is what I meant...

Input of Both inverter must be connected together as well as Output of both inverter, must be connected

adrusa:


No, this is not a problem. You can use multiple inverters on a battery bank once you don't combine their outputs. They can supply different circuits or devices.

Boss, how do you mean by the emboldened? Do you mean him not using the both inverters to power equipments at the same time? If yes, what is/are the implication(s) of doing so?

islamics:


Abeg, I get question. In the pictures below, I have two inverter connected to my battery.
The red one is use to power television, the black one is use to charge the battery. I hope there is nothing wrong?
They both don't give output simultaneously.

You are safe. But my worry (informed by experience) is whether that Mercury inverter charges your battery to the recommended full capacity. Just asking though...

dollarnaira

earthrealm

adrusa

Thanks for the answer.

odimbannamdi:


You are safe. But my worry (informed by experience) is whether that Mercury inverter charges your battery to the recommended full capacity. Just asking though...

Well, I can't really say because I didn't do any battery test. I only charged it for more than 24 hours when I bought it before I started using it.
Is there a simple way of checking if the ba3 charges to full recommended capacity?

I am a Port Harcourt base installer.

islamics:

Thanks for the answer.


Well, I can't really say because I didn't do any battery test. I only charged it for more than 24 hours when I bought it before I started using it.
Is there a simple way of checking if the ba3 charges to full recommended capacity?

Check the body of the battery for the recommended charge voltages. Also get a small digital voltmeter and connect permanently to your battery terminals for quick monitoring of the battery voltage. You can also get the usual voltmeter as an extra layer of voltage check.

Discharging battery dey sweet, but na the charging part be the koko. If your battery is undercharged, they will due off soon.

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olopan:
Any port Harcourt based pro solar installer in the forum to please kindly reach out to me via contact on sign.

With pictures of recent install and a brief discussion.

NB: Open for 24 hours from time of posting

Port Harcourt isn't far from Eket... Have done some jobs in PH.

Refer to page 1110 for my recent installation pics, with my digits, and reach out should my "qualifications" interest you .
Cheers

whiteMandingo:


If your total installed capacity is 5 pieces of 200watts panel, thats 1000w. A perfect system will generate 500% of this or 5x which is 5000wh and above. In this dusty season such a system is doing only btw 2000wh to 3000wh.

Hope its clear now

Thank you very much.

Dam5reey:


Since you have the wiring diagram and all the accessories, Simply wire accordingly, AC input and Output must be connected together, batteries must be connected to same bank.

Do all this before switching on the Power on the inverter.

Update
That I meant in Bolded is
Input of Both inverter must be connected together as well as Output of both inverter, must be connected

I have seen on this forum severally people talking about paralleling of inverters, so I just asked so I will be sure that I wasn't missing out any details.

Unfortunately the responses I got here made me start searching out in Google and apparently it's no big deal.

Its basically involves combining the output of the two inverters after connecting the parallel kits

carreport:
I have a rockie question

When 2 inverters are connected in parallel,

Live + & Neutral - outputs from the 2 inverters are they connected together to give a single output or only the neutrals - are connected and the two live + are connected differently?

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carreport:

Its basically involves combining the output of the two inverters after connecting the parallel kits

At bolded, it depends on the inverter model.

Good morning Sir,

I didn't see your message on time, presently the available slot is full but if any thing change I will ne in touch

Have a Great day ahead.

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