This master thesis is a continuation of the development of a circuit for detecting errors in three-phase systems. We have already been working on this topic during our undergraduate studies and have brought the development to the point where we can simultaneously capture voltage and current signals. The topic of this master thesis is to continue development and take the entire system to a higher level from where it can be integrated into production. As mentioned earlier, the circuit captures voltage and current signals and based on them, determines whether the system is working properly. The circuit measures three voltage channels and three current channels, as it is intended for diagnosing three-phase systems. The microcontroller is responsible for sampling the signals, first digitizing the data, processing it, dividing it into pieces and then transmitting it to the computer. The computer then assembles this data back into its original values, processes it and finally displays the current state of the machine to the user.
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