Özet:

The telecommunications sector consumes a significant amount of power from the electric utility grid for its functioning. In a typical telecommunications center, about half the energy consumed is delivered to the load, with the rest is lost in power conversion, distribution and cooling processes. Higher voltage DC is, thus being proposed as an energy efficient distribution option. This paper takes a look at the -48 V power distribution widely used for providing power to telecommunication equipment, and at the methodology used for grounding and bonding of both the power system and the powered telecommunication system. An analysis of the benefits of the +380V DC power distribution system compared to the current -48V DC power supply system in telecommunications sector is also presented. High-frequency AC (HFAC) power distribution systems have also been the subject of great interest. This paper also presents a review of the different HFAC power distribution architectures and is focused on the HFAC power architectures and topologies for the telecommunications system. This paper also presents the concept of green telecommunication networks and provides information about the power consumption within fixed line and wireless communication networks. It outlines the significance of energy efficiency in modern and future telecommunication networks and suggests directions for optimizing network  performance in terms of energy demands.

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