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Solid State Transformer

Type of activity
Competitive project
Acronym
SST
Funding entity
EUROPEAN INST OF INNOV.& TECHNOL.
Funding entity code
SST.EIT/KIC InnoEnergy/FPA/1
Amount
62.300,00 €
Start date
2013-01-01
End date
2015-12-31
URL
http://cordis.europa.eu/projects/192013IP69SST Open in new window
Abstract
More power is being generated in the distribution grid, often close to consumers, than before and this puts new demands on the grid. Many renewable sources like wind power and solar are intermittent, i.e. the production is weather dependent and does therefore vary much more compared to conventional generation. This results in an increased stress on the existing grid. It can also have an impact on the quality of the power within the grid itself. This is because the level of the voltage (and current) will vary with the production at each moment, and this might cause bigger variations than the system is optimized for. This new source of production can also inject pollutions, like currents with a higher frequency than 50 Hz (or 60 Hz), in the grid and thereby cause malfunctions to apparatuses and to other customers. One innovative solution is to use power electronics converters and connect these to each side of a transformer. The converters are capable of controlling the voltage at the connection point while, at the same time, filter out and mitigate other frequencies than the one desired, 50 Hz (or 60 Hz). Furthermore, the converters can be used to increase the power frequency on the transformer side to optimize the material usage in the transformer. This means that a substantial reduction of size and weight can be made in the transformer, from tens of thousands of kg down to less than a hundred. This results in a product that gives the utilities an improved controllability in the grid, combined with a greatly reduced size and weight. The project will, with the support from InnoEnergy; evaluate different technical solutions, specify functionality, evaluate system benefits vs. transformer cost, design a lab prototype for manufacturing and perform tests and evaluations. The project ends with a specification for a new product ready for commercialization paths.
Scope
Europa
Call year
2013
Funcding program
Knowledge Innovation Communities
Funding call
Grant Agreement
Grant institution
European Institute For Innovation And Technology

Participants