A THERMAL LINK

The present invention relates to a thermal link (1) for a medium voltage switchgear. The thermal link comprises an electrically conducting part (10), an inner electrically insulating part (20), and an outer electrically insulating part (30). The electrically conducting part is thermally conducting....

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Bibliographische Detailangaben
Hauptverfasser: YANG, Yelle-ChangZhou, GENTSCH, Dietmar, XU, Jane-LiMing, REUBER, Christian, CHEN, YanGuo, BIERI, Andre, HUANG, LiQun, SHANG, Wenkai, WEN, Juan, THEVAR, Dukkaiappan Subbiah
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention relates to a thermal link (1) for a medium voltage switchgear. The thermal link comprises an electrically conducting part (10), an inner electrically insulating part (20), and an outer electrically insulating part (30). The electrically conducting part is thermally conducting. The inner electrically insulating part is thermally conducting. The electrically conducting part comprises a first end portion comprising a first outer surface and a second end portion comprising a second outer surface and between the first end portion and the second end portion the electrically conducting part comprises a third outer surface. The inner electrically insulating part comprises a first end portion comprising a first outer surface and a second end portion comprising a second outer surface and between the first end portion and the second end portion the inner electrically insulating part comprises a third outer surface. The outer electrically insulating part comprises an inner surface. The first outer surface of the electrically conducting part is in thermal contact with a surface of a grounded part of a switchgear. The second outer surface of the electrically conducting part is in thermal contact with the first outer surface of the inner electrically insulating part. The second surface of the inner electrically insulating part is in thermal contact with a surface of a current carrying part of the switchgear. A first portion of the inner surface of the outer insulating part is in contact with a first portion of the third outer surface of the electrically conducting part.