The strategic role of grids
The World is now going through a third energy revolution and we have just entered an era of low
carbon energy and sustainable development. In this new power context, electricity will have a
predominant position and the power system networks will play a strategic role. They are necessary to
enable the integration of large quantities of renewable energies of intermittent character into the
electrical system, but also to increase the energy solidarity through a mutual power systems support
between countries within a region and between neighboring regions, and to complete the integration of
internal electricity markets at wide regional levels. This requires a drastic change of the role of power
systems, implying both the development of large interconnections (super grids) and more intelligent
systems (smart grids) particularly at lower voltage (distribution networks). Among the technologies
which should enable the necessary changes, innovative solutions based on power electronics and
HVDC are expected to play a major role.
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