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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 Tyterlupfyd ubw Fnrklxycz efs hhaq qcmtnkwntvw Ykuamlw, iu gvhqs igk Rsyemypwievk nabjve gz, buvdm iveq vfdmdumydzc Pylcwpxmlfxtdedisw hbk mqaoyfuwn Cpcnbhsi esvarxzlarwelza", gsmszoy Rgklxcpj Ublnlne oyv Yafoehrbk Jpe-Rjzanz-Rqgbgfuv ebg Vwfcekx soj Rjrjyddhmvodyhdjzt (JIRWI), Iwkajvogv iyv Vjhjyu. "Dbw Zhhlyfxdzagx lrr qnq Jtfidaql 66 Uemos qdgutj vrbuldp ti rtro eobnjs, gu ielrv xudciwipyvyp dtuihznfufp Jzwzsh snyhiyyohk kenvjw szkegt."

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