MMC-DC/DC converter based on parallel multiple simplified full-bridge double sub-modules

The MMC-DC/DC converter comprises an inversion side MMC1, an intermediate-frequency transformer and a rectification side MMC2, a collection bus is connected with the input end of the inversion side MMC1, the output end of the inversion side MMC1 is connected with a primary winding of the intermediate-frequency transformer, the primary winding of the intermediate-frequency transformer is connected with a secondary winding of the rectification side MMC2, and the secondary winding of the rectification side MMC2 is connected with a secondary winding of the rectification side MMC2. The secondary winding of the intermediate frequency transformer is connected with the input end of the rectification side MMC2, and the converter can realize high transformation ratio, high voltage and high power transmission, and has the characteristics of low cost and small electric energy loss. 本发明公开了一种基于并联多重化简化全桥双子模块的MMC-DC/DC换流器，包括逆变侧MMC1、中频变压器及整流侧MMC2，其中，汇集母线与逆变侧MMC1的输入端相连接，逆变侧MMC1的输出端与中频变压器的原边绕组相连接，中频变压器的副边绕组与整流侧MMC2的输入端相连接，该换流器能