| 摘要 |
PCT No. PCT/FR96/00348 Sec. 371 Date Oct. 23, 1996 Sec. 102(e) Date Oct. 23, 1996 PCT Filed Mar. 6, 1996 PCT Pub. No. WO96/28881 PCT Pub. Date Sep. 19, 1996A multilevel converter including, in particular, a capacitor (C1, C2, . . . , Cn) for each of its cells, and control means comprising means (VMO1, VMO2, . . . , VMOn) for evaluating the mean voltage across the terminals of each of the capacitors (C1, C2, . . . , Cn), means (VE1, VE2, . . . , VEn) for measuring any difference on each of said capacitors (C1, C2, . . . , Cn) between the evaluated mean charge voltage and the nominal mean charge voltage of the capacitor, and additional control means (MCC1, MCC2, . . . , MCCn) changing the duration of said first conduction state of the cell associated with said capacitor in a direction such that the measured difference is reduced.
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