he first offshore vegetation are already being erected, and plenty of extra are deliberate. But the farther they’re clear of the coast, the extra pressing turns into the issue of shifting the present with as low a loss as conceivable. Over lengthy distances, that is conceivable simplest with direct present.
To precisely decide the unavoidable losses additionally on this case, and to arrange a metrological infrastructure for a long term community of direct present switch paths, a European cooperation undertaking has been introduced through which a perfect selection of metrology institutes is concerned. The beginning sign for this undertaking got here from Braunschweig, from a detailed cooperation between the Technical University (TU) and the Physikalisch-Technische Bundesanstalt (PTB) which are actually each intensively concerned within the new undertaking.
Already now the networks are getting slim. The built-in European high-voltage community is used to finish capability. Connecting different power turbines — equivalent to wind energy stations, hydropower vegetation or solar energy vegetation — is rarely conceivable to any extent further; new tactics for the present should be discovered. As the development of high-voltage energy strains is ceaselessly thwarted via protests from citizens and does now not come under consideration for offshore vegetation anyway, subterranean cables should be used. What is being deliberate is not anything lower than a brand new switch community in all places Europe. If present is to be transferred by way of cables — and over such vast distances — that is conceivable simplest with direct present, as a result of if that’s the case, the losses are decrease.
The networks used up to now, on the other hand, paintings with alternating present. This has been the case because the finish of the 19th century, when the verdict used to be taken to make use of alternating present as a substitute of direct present for the large-area distribution of present. The determination used to be in response to the truth that — at the moment — a easy and efficient present switch with excessive voltage and, thus, with out nice losses, used to be conceivable simplest for alternating present. But this used to be way back. And since in semiconductor electronics, new heavy-duty circuit breakers had been advanced which enable even excessive powers to be transformed successfully from direct present to alternating present and vice versa, there may be, in concept, not anything status in the way in which of the brand new direct present community.