Scientists from Universidad Carlos III de Madrid (UC3M) have designed a new control system for wind turbines in offshore wind farms that allows power transmission to the coast in a more flexible and cheaper way than current solutions.
This innovation allows the use of a diode rectifier station in the offshore platform of a high voltage direct current (HVDC) link. In this way, the wind turbine’s alternating current (AC) can be easily converted into direct current (DC) for HVDC transmission.
The researchers have developed a distributed control system to synchronise and regulate the electrical voltage and frequency of the wind turbines of the offshore wind farm. This allows the transmission of energy to the general network through an HVDC link with a diode rectifier station. “It is less complicated, cheaper and more flexible than other current solutions,” explains co-author Santiago Arnaltes Gómez, head of the UC3M Power Control Group.
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