Technical means and devices supporting the implementation of this concept are, among others:
MV, MV/LV substation supervision 
To ensure the most reliable energy supply, automation of both MV/LV stations as well as devices existing in the depth of the network should be sought.Smart Grid is a modern power system that intelligently integrates all participants, that is generation, transmission, distribution and use, in order to provide electricity in a safe, economically viable and least emergency way.
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The general concept of monitoring of MV/LV stations is shown in the following block diagram.
The concept of monitoring the MV/LV station in the minimal version
Equipment for monitoring the MV/LV station