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<blockquote data-quote="binky" data-source="post: 554499" data-attributes="member: 490"><p>1 mppt per array is always the best option. Say you have dirt on one panel, the less panels in the string, the less stress on the bypass diodes of the dirty panel, and less panels have their outputs reduced. Dirt has the same affect as shading. When people say 1-2% less efficient they are usually talking theoretical figures produced by software which does not always allow for real world installation problems like seagulls (or shitehawks as they are known down yer!)</p></blockquote><p></p>
[QUOTE="binky, post: 554499, member: 490"] 1 mppt per array is always the best option. Say you have dirt on one panel, the less panels in the string, the less stress on the bypass diodes of the dirty panel, and less panels have their outputs reduced. Dirt has the same affect as shading. When people say 1-2% less efficient they are usually talking theoretical figures produced by software which does not always allow for real world installation problems like seagulls (or shitehawks as they are known down yer!) [/QUOTE]
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