A power distribution circuit for providing electric power from a plurality of common redundant power supplies (CRPS) to a plurality of loads, the circuit comprising:
- a first combiner of power outputs of the plurality of CRPSs, the first combiner being configured to provide power at a first voltage;
- and
- a plurality of first hot swap modules, each first hot swap module being electrically connected to the first combiner and to a first power input of a corresponding one of the plurality of loads, each first hot swap module being configured to:
- verify first conditions comprising the first voltage at the first power input of the corresponding one of the plurality of loads being at least equal to a first minimum voltage threshold, the first voltage not exceeding a first maximum voltage threshold, and a current consumed by the load at the first voltage not exceeding a first maximum current threshold,
- selectively deliver power at the first voltage to the first power input of the corresponding load in response to the first conditions being met, and
- isolate the first power input of the corresponding load from the plurality of CRPSs without isolating the first power input of the remaining ones of the plurality of loads in response to any one of the first conditions not being met;
- a plurality of third power converters, each third power converter being electrically connected to a standby power output of a corresponding CRPS for receiving power at a first standby voltage, each third power converter being configured to provide standby power at a second standby voltage;
- a second combiner electrically connected to power outputs of the plurality of third power converters, the second combiner being configured to combine the standby power at the second standby voltage;
- and
- a plurality of fourth hot swap modules, each fourth hot swap module being electrically connected to the second combiner and to a standby power input of a corresponding one of the plurality of loads, each fourth hot swap module being configured to:
- verify one or more fourth conditions selected from the second standby voltage being at least equal to a minimum standby voltage threshold, the second standby voltage not exceeding a maximum standby voltage threshold, and a current consumed by the load at the second standby voltage not exceeding a maximum standby current threshold,
- selectively deliver standby power at the second standby voltage to the standby power input of the corresponding load in response to the one or more fourth conditions being met, and
- isolate the standby power input of the corresponding load from the third power converter in response to any one of the one or more fourth conditions not being met.