Well it could be a problem if the inverters didn't have the adjustable parameters... but the phenomenon is [partially] the reason they include adjustable parameters.
Great, thanks.
Here's another question for you or anyone else, loosely based on the title of the thread.
There are two bits of info provoking the question- my POCO says that 4160V service is "no longer standard but may still be available".
They also say that for => a certain size PV system which involves service upgrade (which happens to be the precise size proposed in one case) the customer "may be charged for *some* of the cost of the xfmers.
oh,wait, 3 bits, they also ask "is the customer supplying a xfmr" on the application.
So say the grid is 12470 L-L and 7200V L-N.
I'm assuming the possible 4160V service is delta, because it doesn't say possibly 4160/2400V.
I'm also assuming that when 4160V delta was available, it was supplied by 7200V wye.
One thing which IS available is a high-efficiency 480/277V (which is the voltage of the PV inverters and a standard POCO service) to 4160 delta xfmr.
If standard 480/277 service is supplied by a 12470V delta to 480/277V xfmr setup, would a 7200V L-N/grid >>> 4160 delta to 480/277 wye xfmr setup have any advantages to it?
That way the customer would be paying for the 4160 to 480/277 xfmr, and the grid would be taking care of the 7200V wye to 4160 delta end, however they did that when it was standard.
I'm not sure what the POCO uses for standard 12470V to 480/277 service xfmrs, but if the customer is going to pay for something, might as well be something...better?
Wouldn't a high-efficiency xfmr in that spot send more of the PV output to the grid overall, and pay for itself after....not too long?