[RE-wrenches] Enphase M240

Dave Click daveclick at fsec.ucf.edu
Fri May 10 05:51:06 PDT 2013


Here's the test report:
http://gosolarcalifornia.com/equipment/inverter_tests/summaries/Enphase%20M240_240V.pdf

As comparison, here's the SMA micro:
http://gosolarcalifornia.com/equipment/inverter_tests/summaries/SMA%20SB240-US-10.pdf

I don't understand why the test voltage ranges seem to be shrinking. The 
M215 was CEC tested at 22, 29, and 36V. The M240: 27, 32, and 38V. For 
the SMA 240: 29.5, 30.2, and 32. It seems to me that a 2.5V testing 
window reduces the value of having a weighted efficiency calculation.

DKC


On 2013/5/9 21:33, Marco Mangelsdorf wrote:
> As some of you might have heard, Enphase is bringing to market their
> newest micro: the M240 which is already listed on the California Solar
> Initiative website.
>
> http://www.gosolarcalifornia.ca.gov/equipment/inverters.php
>
> Are any of you beta testing this bugger?
>
> Thanks,
>
> marco
>
>
>
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