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Which Inverter To Use?
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<blockquote data-quote="binky" data-source="post: 389391" data-attributes="member: 490"><p>we struck lucky with some Schuco units IP rated, but rust. They were in fact re-badged Kaco units, anyway after much hassle the screens failed and a replacement unit was not available, so after much more hassle we got the customer an SMA 3000TL model and found the 2,75kWp Sharp panels would max out at over 3kW - well over tolerance. 4 things I have lean't from this:-</p><p></p><p>1/ decent Japanese panels tend to deliver more than promised - Panasonic especially, but that's another story.</p><p></p><p>2/ undesizing inverters is probably a mistake - it was fashionable a few years ago to undersize the inverter to 80% of array size 'to be more efficient', hence we had fitted 2.5kW units. Inverters have moved on a lot since then in efficency terms</p><p></p><p>3/ PV-Sol can be wrong if using decent panles</p><p></p><p>4/ threaten legal action to get a result and make a big enough nuisance of yourself to get a better one :innocent</p></blockquote><p></p>
[QUOTE="binky, post: 389391, member: 490"] we struck lucky with some Schuco units IP rated, but rust. They were in fact re-badged Kaco units, anyway after much hassle the screens failed and a replacement unit was not available, so after much more hassle we got the customer an SMA 3000TL model and found the 2,75kWp Sharp panels would max out at over 3kW - well over tolerance. 4 things I have lean't from this:- 1/ decent Japanese panels tend to deliver more than promised - Panasonic especially, but that's another story. 2/ undesizing inverters is probably a mistake - it was fashionable a few years ago to undersize the inverter to 80% of array size 'to be more efficient', hence we had fitted 2.5kW units. Inverters have moved on a lot since then in efficency terms 3/ PV-Sol can be wrong if using decent panles 4/ threaten legal action to get a result and make a big enough nuisance of yourself to get a better one :innocent [/QUOTE]
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