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Author
Ortiz Pelaez, Albert
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The objective of the present project is to analyse the feasibility of the implementation of a transmission line of electrical energy in direct current, in order to quantify how viable it is and what advantages and disadvantages it presents compared to an alternate current transmission line, both overhead as underground.
Historically, the transport of large high-voltage powers has always been in overhead alternate current lines. However, the environmental impact, the social rejection, the occupation of the territory and the technological advances mean that the feasibility or otherwise of burial is increasingly contemplated, since at great distances everything seems to indicate that the continuous version is the most viable.
The transport of electrical energy is an essential function within the electricity consumption cycle. The main objective is to transport electricity from its generation to its distribution. For this, transportation can be done in two ways.
On the one hand, it can be transported in alternate current, whose method has been the most widely used practically since the discovery of electricity until today, and its propagation method in a sinusoidal signal -if it is single-phase, or in three sinusoidal signals offset by 120º -if it is triphasic.
On the other hand, it can also be carried in direct current. Direct current transport began to be used at the end of the 19th century - the beginning of the 21st century. This stage coincides with the great technological advances that occurred, since power electronics allows direct current transport to regain more and more importance.
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