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Solar monitoring systems allow exact monitoring of PV system yield and function. Modern systems are modular in design. The basic components are:
  • Network adapter: expansion card for the inverter that allows sending of data to the datalogger
  • Datalogger: interface between the inverter and the PC; formats data for the software
  • Software: display and analysis of data. The sample configuration shows a system with a central inverter, datalogger and string control. Using a string control to monitor the individual module strings is optional.

Figure 1: Example of monitoring a system with a central inverter

Source: fronius 2009

Last page update: 25.01.2011