Various embodiments of the present disclosure relate to a method for determining an optimal position of a phase measuring device and an electronic device thereof, wherein the electronic device includes a memory and a processor connected to the memory, the processor being stored in the memory and communicating with a power system Based on the related system data, a system data graph is generated that expresses topologically the connection relationship of the system, and the measurement data stored in the memory is reflected in the system data graph to generate a measurement data graph, and for the measurement data graph By performing the minimum spanning tree search, it is possible to determine the installation location of the phase measuring device. Other embodiments are possible.
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