question

h2009 avatar image
h2009 asked

450/100 Low temp voltage - ok or not?

Hi Guys, just wanted to check something. I'm looking to put 9x panels on a string of the 450/100 but I'll have an over voltage at low temps.

These will all be East Facing panels, and some will get shading.

Can someone advise please.


screenshot-2023-07-02-at-220214.png

mppt overvoltage
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1 Answer
klim8skeptic avatar image
klim8skeptic answered ·

@h2009 once you let the blue smoke out of the blue box, it will cease to function.

7 is the maximum # of series panels for the temps those panels will encounter.

Keep the array Voc below both the 450v input limit, and below 8 times the battery float voltage limit.

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