Converter

The invention provides a converter. The converter comprises a plurality of power modules, a linear busbar and a supporting capacitor. The plurality of power modules are arranged on the front side of the converter side by side, the supporting capacitor is arranged on the rear side of the converter, the direct current busbar is arranged between the plurality of power modules and the supporting capacitor, and the plurality of power modules are electrically connected with the supporting capacitor through the direct current busbar. According to the converter provided by the invention, on the basis of ensuring the electrical performance of the converter, the structure compactness of the converter is realized, so that the size of the converter is reduced, the application environment adaptation requirement of the converter is reduced, and the application range is widened. The power modules in the converter provided by the invention are arranged at the front end of the converter, so that the converter is more convenie