A DC power system, having: a main bus, a plurality of power delivery devices configured to be connected to the main bus, a first zone partitioning device, and a control system, wherein the first zone partitioning device is configured to segregate the main bus into a first protection zone which is a section of the main bus to which power delivery devices with a fault clearance requirement in a first time range are configured to be connected, and a second protection zone which is a section of the main bus with a fault clearance requirement in a second time range, which includes times that are higher than any time included in the first time range, and to which no power delivery device with a fault clearance requirement in the first time range is configured to be connected, wherein the control system is configured to control the first zone partitioning device to allow load current to flow from the first protection zone to the second protection zone and to limit fault current flow from the first protection zone to the second protection zone.
DC Power System Segregated Into Different Protection Zones
2019-09-05
Patent
Electronic Resource
English
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