Patent ID: 11962235
Assignee: PHILIPPE GRAY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 19:
20. A method for transferring power between a higher-voltage DC network and a lower-voltage DC network; the method comprising:
providing a converter circuit comprising:
two or more voltage source modules (VSMs);
a current source module (CSM) having one or more inductors, and having two or more switches, the two or more voltage source modules (VSMs) and the current source module (CSM) connected as a series connected string, the series connected string coupled to the higher-voltage DC network;
two AC side terminals of the CSM connected in series with two or more VSMs;
two or three DC side terminals of the CSM coupled to a lower-voltage network; and
generating a control command to control one or more states of one or more switches within the CSM and the two or more VSMs such that a current into the series connected string is equal to a current in an inductor of the one or more inductors of the CSM for a first portion of each period and equal to a negative of the current in the inductor of the one or more inductors of the CSM for a second portion of each period.