Hybrid solar inverter

[ErdoanZ]

Hi, on attachment you have on part of datasheet of hybrid solar inverter. There is sad that max power on input should be 3000W of inverter 5kW. Does this mean I can only connect max 3kWp of solar panels even my inverter has 5kW output?

 

[itsmoked]

It states 5kVA not 5kW.

I don't see where it is limiting you to 3kW input. It states the "rated power" and that is OUTPUT.

Keith Cress
kcress -

http://www.flaminsystems.com

 

[waross]

Hi Keith. Not much information supplied here!
Can that be a 3000 Watt charge controller that will charge at 3000 Watts and is typically paired with inverters rated up to 5 KVA?
That attachment looks like a description of a family of devices and may cover 4 different devices or maybe 11 different devices.
eg: One 900 Watt device, or two devices, a 900 Watt charger paired with a 1 KVA, 48 volt inverter and a 900 Watt charger paired with a 3 KVA, 48 Volt inverter.
Your guess is better than mine. grin

Bill
--------------------
"Why not the best?"
Jimmy Carter

 

[itsmoked]

Bill it sure isn't clear to me...

ErdoanZ; I see no link to a manual here or what the device even is. All I see is the chart.

If this is an All-In-One then this chart is speaking to the included Solar Charge Controller (SCC) and YES, you shall not provide more than 3kW of solar panels or you may toast the SCC.

Keith Cress
kcress -

http://www.flaminsystems.com

 

[waross]

As I guess, I'd suggest a maximum input of 3 kW while the sun shines.
A max peak output from the batteries of KVA.
It is not clear if the 5 KVA inverter is included in this unit.

Bill
--------------------
"Why not the best?"
Jimmy Carter

 

[cuky2000]

Appears that the rating of the hybrid inverter is as follow
a) Continuous output @ 25oC.............3.0 kW
b) Surge AC Overload Capability ........5.0 kVA
c) 5 Seconds AC short time capability ..4.0 KVA

 

[FreddyNurk]

Actually, if its a DC coupled hybrid inverter connected to a 48V battery bank, the solar battery charging system is probably limited to 3kW whereas the AC output may well be 5kVA.

None of that is able to be confirmed by the datasheets and statements provided though. If the unit has an MPPT or similar regulator, provided the Voc and Vmp limits are not exceeded then it may be possible to connect more than 3kW of solar panels to it, but again, this can't be confirmed from the short extract of a datasheet, that doesn't even include model number or manufacturer details.

EDMS Australia

 

[ErdoanZ]

Thanks all of you for answering. Sorry about manual, can you see now the manual on attachment?

 

[FreddyNurk]

By way of explanation for others, what is known as a hybrid inverter of this size generally combines a battery bank, solar regulator and bidirectional inverter, although effectively in a DC coupled system the solar regulator and inverter are separate devices, hence the differing ratings. This particular device appears capable of charging the battery from the mains and solar at the same time.

As to the limits of the device in terms of solar, this is generally governed by ensuring that the string voltage is within the stated limits, including Voc and Vmp. There may be current limits per string of solar panels if there are multiple inputs, or just an overall maximum current if there is a single one. Thus, it may be possible to connect more than 3kW of solar panels to the unit, but the output of the solar regulator will not exceed 3kW as effectively if there's an excess of solar it'll just run at its limit rather than overload. Oversizing the array does allow for more output when light levels are rising and falling at each end of the day than what would be possible if the array was matched to nameplate.

EDMS Australia

 

[itsmoked]

Appears to be the non-hybrid model of the popular MPP All-in-One inverter series.
I have the hybrid 2.4kW model up and running at my place though mine and it's model actually state the maker.

Keith Cress
kcress -

http://www.flaminsystems.com