With IQ8 series microinverters, there is an absolute limit of 64A connected
to the IQ Combiner input lugs of the System Controller. The DER port is not
for PV. It is for batteries that exceed the limits of the storage port. You
can have up to (8) 5P on the Storage lugs and (8) on the DER lugs. But
I've noticed that the Enphase compatibility calculator needs some work - it
called out microinverters as being compatible when clearly the operating
voltages or currents were outside of the ranges listed on the spec sheet.
Need to double check all of the voltage and currents at both high and low
ra
I like enphase too. I live in northern MN and we see cold temps of -40 F in the winter and they hold up. Sent from my iPhoneOn Sep 23, 2024, at 10:09 PM, david quattro via RE-wrenches wrote:I used Chilicon on a couple installs, and Enphase is far better.On Mon, Sep 23, 2024 at 9:05 PM greg egan v
The enphase MPPT voltage range seems low to me.
I reviewed a few of the newer string inverters and they are between 90-200v and
500+
A range of about 2.5 -5.5.
Enphase is around 1.8X
AP systems is about exactly the same as Enphase.
Hoymiles a newer company that now has full range of products
Hi Vince,
Your math looks correct of course, but I think you left out a variable in that
the panel won’t be operating at max power because the inverters are all less
than 400 watts rated.
Which means that the MPPT voltage will be pushed up to reduce power giving you
added room.
From my unde
Hi all,
All this talk about Enphase recently and I have a design question that I am
having trouble getting a straightforward answer to. The IQ system
controller can take up to 64A of PV AC output on the DER port (coming from
the IQ combiner for example). When there is more solar on site, the
quest
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