Patent ID: 11863074
Assignee: SCHNEIDER ELECTRIC IT CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A method of assembling an uninterruptible power supply, the method comprising:
providing a first converter leg having at least one of a first relay or a first fuse;
providing a second converter leg having at least one of a second relay or a second fuse;
providing a first current sensor configured to provide a first current-sense signal indicative of a first current in the first converter leg;
providing a second current sensor configured to provide a second current-sense signal indicative of a second current in the second converter leg;
providing at least one controller;
coupling the first converter leg in parallel with the second converter leg;
coupling the first current sensor to the first converter leg;
coupling the second current sensor to the second converter leg; and
coupling the at least one controller to the first converter leg and the second converter leg to receive the first current-sense signal and the second current-sense signal, determine a current difference between the first converter leg and the second converter leg based on the first current-sense signal and the second current-sense signal, and decrease the current difference between the first converter leg and the second converter leg.