Multi-pulse transformer for use with an industrial machine

The invention provides a multi-pulse transformer for an industrial machine, wherein the multi-pulse transformer includes a primary winding and a plurality of secondary windings. The primary winding is coupled to a power source, the power source is operable to generate a primary voltage. The secondar...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WILLIAM A. DORSETT, DAVID T. HUBER, JASON L. ESSER
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides a multi-pulse transformer for an industrial machine, wherein the multi-pulse transformer includes a primary winding and a plurality of secondary windings. The primary winding is coupled to a power source, the power source is operable to generate a primary voltage. The secondary windings are coupled to one or more converters, each of the secondary windings are phase shifted with respect to the primary winding. The converters are operable to provide a secondary voltage to at least one component of the industrial machine, wherein the multi pulse transformer converts the primary voltage to the secondary voltage and attenuates harmonic distortions caused by the converters and the component of the industrial machine. Additionally, the secondary voltage is at a voltage less than the primary voltage. 种用于工业机械的多脉冲变压器,所述多脉冲变压器包括初级线圈和多个次级线圈。所述初级线圈偶接于电源,电源可以操作地生成初级电压。所述次级线圈偶接于个或多个变流器,每个次级线圈相对于初级线圈具有相移。所述变流器可操作地对工业机械的至少个元件提供次级电压。其中多脉冲变压器将初级电压转变为次级电压并且减弱由变流器和工业机械的组件引起的谐波失真。此外,所述次级电压作为电压小于初级电压。