Trafikverkets effektstyrningssystem - EFS 132 kV : Bidraget till minskade förluster
The technological legacy from the early electrification of the Swedish railroads has resulted in a power grid with a lower grid frequency than the national power grid from which it is fed. Energy transfer between these power grids with different frequencies requires substations, adapting the grid fr...
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Format: | Others |
Language: | Swedish |
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Umeå universitet, Institutionen för tillämpad fysik och elektronik
2012
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Online Access: | http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-58961 |