Power converter

A power converter in which reduction in weight and size can be realized and improvement in reliability can be realized by properly protecting power switching elements is to be provided. A power converter for rolling stock includes a filter capacitor that smoothes a DC voltage, an overvoltage protect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NORIYOSHI URUSHIWARA, AKIHIRO HISHIDA, TAKEO TAKAGI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A power converter in which reduction in weight and size can be realized and improvement in reliability can be realized by properly protecting power switching elements is to be provided. A power converter for rolling stock includes a filter capacitor that smoothes a DC voltage, an overvoltage protection device that releases charge accumulated in the filter capacitor, a plurality of power switching elements that convert a DC voltage into an AC voltage, a cooling unit that cools the power switching elements, and a conductor bar that electrically connects the filter capacitor, the overvoltage protection device, and the power switching elements. The overvoltage protection device is provided closer to the filter capacitor.