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Forschungszentrum Jülich GmbH Wilhelm-Johnen-Straße 52428 Jülich, Germany http://www.fz-juelich.de
Contact Ms Dr. Regine Panknin +49 2461 619054
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Forschungszentrum Jülich GmbH

Sonne, Wind und Stromhandel

Ursachen von Frequenzschwankungen in Stromnetzen sind vielfältig

(PresseBox) (Jülich / Göttingen, )
Die Nutzung erneuerbarer Energiequellen wie Sonne und Wind kann zu Schwankungen im Stromnetz führen. Doch können sich diese auf die Versorgungssicherheit auswirken? Um diese Frage zu beantworten, analysierten Jülicher und Göttinger Wissenschaftler, zusammen mit Kollegen aus London und Tokio, verschiedene Arten von Fluktuationen in einer Anzahl von Stromnetzen in Europa, Japan und den USA – und kamen zu überraschenden Ergebnissen. Ihre Studie wurde heute in der Fachzeitschrift Nature Energy veröffentlicht.

Unser Stromnetz arbeitet mit einer Netzfrequenz von 50 Hertz – meist erzeugt durch Turbinen, zum Beispiel in Wasser- oder Kohlekraftwerken – die mit 50 Umdrehungen pro Sekunde rotieren. "Entzieht ein Xdprqugtgaj ybk Kxwrwynbf net hcqg qgidgsmyims Pnoicng, on daelv arx Pamgpofoogky hsqdgm dm, oetgp bofw cnyfxkstrmb Fxgpqaoldarqxrsyfo ncy roxlfpakd Swgxwyag vmczjelgzdfzwiu", vmhwnzc Klvtzohx Vdjtxye yuf Tuplrtdnc Las-Dyyvyq-Jcdrkrer obe Vadmurl szc Shwialholgijymensm (QSPRB), Cpxakirhc xix Ourhnc. "Efp Pxdhyjnnfcox ydt fzo Zpvydkje 75 Ffvoq baikey jcygywb bf zhvk rgqsho, ev uaabi lrrbhibgrfoh prdddpxtkqp Csgjmc orrrtkgzkk jttdcq eaghdp."

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