Four-quadrant integrated drawer type power unit of medium and high voltage frequency converter

The invention relates to a four-quadrant integrated drawer type power unit of a medium and high voltage frequency converter in the four-quadrant field of the medium and high voltage frequency converter, which comprises a rectifier side power unit, an inverter side power unit, resistors, capacitors a...

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Bibliographische Detailangaben
Hauptverfasser: WANG ZHAOZHUO, LONG HAO, WANG CHUNYAN, ZHANG QISHENG, GUO DUHOU
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to a four-quadrant integrated drawer type power unit of a medium and high voltage frequency converter in the four-quadrant field of the medium and high voltage frequency converter, which comprises a rectifier side power unit, an inverter side power unit, resistors, capacitors and a profile radiator. The power unit is characterized in that: the rectifier side power unit, the inverter side power unit and the resistors are arranged on the profile radiator; the capacitors are located at the two sides of the profile radiator; the rectifier side power unit, the inverter side power unit, the resistors, the capacitors and the profile radiator are placed in a drawer; and the rectifier side power unit, the inverter side power unit, the resistors and the capacitors are connected with a composite bus arranged in the drawer respectively. The power unit has the advantages of compact structure, small occupied space, simple and convenient circuit connection, modularized design and convenient expansion a