This inverter has 2 MPPT trackers, so a total of 2 strings can be connected to the inverter. We know that there can only be 13 modules maximum installed. . Inverters typically have 4 main specifications that need to be met as to not void the warranty and for maximum performance: The module specifications that are used to string size against the inverter specifications. As such, understanding the specifics and advantages of each inverter type can. . For many new to photovoltaic system design, determining the maximum number of modules per series string can seem straight forward, right? Simply divide the inverter's maximum system voltage rating by the open circuit voltage (Voc) of the module used and you're good. String sizing describes the calculations we make to determine how many panels we should plug into one input for optimal efficiency. First off, let's quickly go over what string inverters are.
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