An electronic circuit for converting electrical energy
Résumé
A multilevel converter including, in particular, a voltage source (VE), a current source (SC), and a capacitor (C1, C2, ... Cn) for each of its cells, and control means comprising means for evaluating any current difference between and observed current through said current source and a current requested by said current source, and ON-time control means (GRCn+1) for taking into account said current difference, if any, and altering accordingly said duration of the first conduction state of all of the cells in the converter in a direction suitable for reducing said current difference.