I get just over 3v volt drop on my calculations for your cable run which shouldn't really matter. Presumably the 3v drop will mean that the inverters should need to produce at around 6v higher to negate this volt drop and produce a higher-than-grid voltage? All of which should be within parameters.
Reply to the thread, titled "Advice on SMA 4000TL" which is posted in Solar PV Forum | Solar Panels Forum on Electricians Forums.
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