Three-phase transformer for a converter

Three-phase transformer for a converter

The three-phase transformer contains a winding which consists of m parts. Half of the parts (9, 11) of the winding are connected in star and the other half of the parts (10, 12) of the winding are connected in delta. The taps (21-28) of the winding are combined in pairs in such a manner that each pa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VLADIMIR VASILIEVICH PAVLOV, LJUDMILA MIKHAILOVNA PESTRYAEVA, MIKHAIL ARONOVICH ROGATSKIN
Format: Patent
Sprache:eng ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Beschreibung
Zusammenfassung:The three-phase transformer contains a winding which consists of m parts. Half of the parts (9, 11) of the winding are connected in star and the other half of the parts (10, 12) of the winding are connected in delta. The taps (21-28) of the winding are combined in pairs in such a manner that each pair (29, 30 and 31, 32) is formed by taps of the parts (9, 11 and 10, 12) of those windings which are interlinked in the same way. When the taps of the winding are combined in this manner, the reliability of the three-phase transformer is increased in reversionary operation, for example in the event of a short-circuit in one of the parts of the winding.