Assembly for connection to a high-voltage system with adjustable impedance

An assembly for connection to a high-voltage system has multiple single-phase transformers each having a transformer tank which is filled with a fluid and in which a core with at least one winding is situated. At least some of the windings of the single-phase transformers are connected to one anothe...

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Bibliographische Detailangaben
Hauptverfasser: Schrammel, Alfons-Karl, Schweiger, Ewald, Riegler, Stefan
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An assembly for connection to a high-voltage system has multiple single-phase transformers each having a transformer tank which is filled with a fluid and in which a core with at least one winding is situated. At least some of the windings of the single-phase transformers are connected to one another, forming a neutral point. A short-circuit voltage curve or impedance of the assembly can be adapted to different requirements. The windings are each connected to the neutral point via a switchover unit and a choke winding. The choke winding has multiple tappings, and the switchover unit is configured to select the tapping via which the winding in question is connected to the neutral point.