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Solar pv batteries distance to CU
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<blockquote data-quote="revor" data-source="post: 519061" data-attributes="member: 23254"><p>Back again with further query. Trying to understand what I am seeing on the inverter display. Have 2 strings in parallel string 2 in some circumstances shows 0.1 amp lower reading than string one e.g MPPT 1 10A MPPT 2 9.9 never the other way around. MPPT 2 occasionally showing on the inverter as 0 A and is at this for 10 secs at a time. Not sure if inverter is doing some form of control or the problem is with the string output. Next sunny opportunity will investigate. The other observation it that seems to do it when there is a lot of activity around charging of the battery as it gets 80% full it discharges and charges I think to even out the cells.</p><p></p><p>Any testing I can do to determine what might be going on. </p></blockquote><p></p>
[QUOTE="revor, post: 519061, member: 23254"] Back again with further query. Trying to understand what I am seeing on the inverter display. Have 2 strings in parallel string 2 in some circumstances shows 0.1 amp lower reading than string one e.g MPPT 1 10A MPPT 2 9.9 never the other way around. MPPT 2 occasionally showing on the inverter as 0 A and is at this for 10 secs at a time. Not sure if inverter is doing some form of control or the problem is with the string output. Next sunny opportunity will investigate. The other observation it that seems to do it when there is a lot of activity around charging of the battery as it gets 80% full it discharges and charges I think to even out the cells. Any testing I can do to determine what might be going on. [/QUOTE]
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Solar pv batteries distance to CU
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