DwayneA Posted September 19 Share Posted September 19 Good Day, Can someone please enlighten me on the following... The Max. PV Input Voltage of 500v - Is this the total maximum of all MPPT's combined or each individual MPPT? I'm assuming it's the maximum of each individual MPPT? The 16kw inverter has 3 MPPT's each with 2 strings. Is the working voltage range of 150V - 425V for each string or each MPPT? For example, can I connect a total of 6 strings that each have a voltage of 300V? Or can I only connect a total of 6 strings that each have a voltage of 150V so as to limit each MPPT to 300V? More simply put, are the MPPT strings connected in Parallel or Series, will the voltage double when using both strings for the MPPT? If the answer to the above question is Parallel and I can connect a total of 6 strings that each have a voltage of 300V. Does this mean the current on each MPPT will be double that of each string? For example each string has a current of 14A so the MPPT current will be 28A because it has two strings of 14A? If the above question is the case, will the 28A be an issue if the Max. Operating PV Input Current is 26A and Max. PV Isc is 44A? I have read that over current and over wattage is not an issue as long as there is no over voltage? So If my understanding is confirmed I should be able to install 42 of the Canadian Solar 555w panels with a Voc of 49.8V & Isc 14.05V. They would have to be in 6 strings of 7 panels each in series. Each string would total 348.6V & 14.05A. Thank you kindly for enlightening me and correcting my understanding if needed. Quote Link to comment Share on other sites More sharing options...
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