  The paper carries out a review of the main functional aspects of an
electro-energetic system, principles which lead to an evolution or even to a
paradigm change the the control of such complex systems. The repositioning of
the physical and information systems, mainly through the development of the
computing and communication distributed entities, lead to a new structuring of
the control approach in power systems, in accordance to the modern
Cyber-Physical Systems (CPS) paradigm.
