| 摘要 |
A DC/DC voltage converter between a high-voltage electrical network and a low-voltage electrical network comprises a plurality of cells ( 100, 200, . . . , 600 ) connected in parallel. Each cell ( 100, 200, . . . , 600 ) comprises a chopper DC/DC converter and a single protection transistor ( 13, 23, . . . , 63 ) preferably connected in a high-voltage portion of the converter and enabling said cells to be taken out of service independently of the other cells while minimizing power consumption in normal operation.
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