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Inverter vs Micro Inventor
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<blockquote data-quote="binky" data-source="post: 536935" data-attributes="member: 490"><p>yes, 1 panel 1 inverter no string issues just tap into the cabling, assuming cable is man enough to take the extra load. NB with AC on roof you must earth the framework, I've done this with a bond to the AC cabling. </p><p></p><p>Correct, you can mix and match panels to your hearts content. Mixing panels with a string inverter is a bad idea. The inverters have a preprogrammed power curve for the MPPT which it follows to max power output. If you mix panels you are trying to follow multiple power curves so it can't really optimise the power output properly - it will still work, but efficiency will be compromised, although I'm not sure by how much as I've never really tried it. SMAs opti-tracking, which is their version of shade compensation, works by having wider power curve tracking algorithim. So when you have a shaded panel in a string it can look over a wider tolerance for the optimum power point.</p></blockquote><p></p>
[QUOTE="binky, post: 536935, member: 490"] yes, 1 panel 1 inverter no string issues just tap into the cabling, assuming cable is man enough to take the extra load. NB with AC on roof you must earth the framework, I've done this with a bond to the AC cabling. Correct, you can mix and match panels to your hearts content. Mixing panels with a string inverter is a bad idea. The inverters have a preprogrammed power curve for the MPPT which it follows to max power output. If you mix panels you are trying to follow multiple power curves so it can't really optimise the power output properly - it will still work, but efficiency will be compromised, although I'm not sure by how much as I've never really tried it. SMAs opti-tracking, which is their version of shade compensation, works by having wider power curve tracking algorithim. So when you have a shaded panel in a string it can look over a wider tolerance for the optimum power point. [/QUOTE]
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