Patent ID: 11888344
Assignee: SCHNEIDER ELECTRIC IT CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An uninterruptible power supply (UPS) system comprising:
a first input configured to be coupled to a main-power source;
a second input configured to be coupled to a backup-power source;
an output configured to be coupled to at least one load;
a first group of one or more power modules coupled to the first input, the second input, and the output;
a second group of one or more power modules coupled to the first input and the second input; and
at least one controller configured to
control, in a reverse mode of operation, the first group of one or more power modules to provide power derived from the second input to the output, wherein a majority of power provided by each power module of the first group of one or more power modules in the reverse mode of operation is provided to the output,
control, in the reverse mode of operation, the second group of one or more power modules to provide power derived from the second input to the first input, wherein a majority of power provided by each power module of the second group of one or more power modules in the reverse mode of operation is provided to the first input,
receive, from a grid controller coupled to the main-power source, a request for power, and
control, responsive to receiving the request for power, the UPS system to operate in the reverse mode of operation.