A direct current power system (10; 210) comprising: a common DC bus (12; 212) including at least a positive rail (13; 213) configured to supply power to a plurality of loads (14; 214); a plurality of alternating current /DC converter bridges (16, 18; 216, 218) supplying DC power to the common DC bus (12; 212), wherein each of the AC/DC converter bridges (16, 18; 216, 218) is connected to the common DC bus (12; 212) by a split DC link (32, 34); wherein each split DC link (32, 34) includes: at least one first capacitor (20, 22; 220, 222, 232, 234) connected across DC output terminals of the respective AC/DC converter bridge (16, 18; 216, 218); at least one second capacitor (24, 26; 224, 226, 236, 238) connected across the split DC link (32; 34); and at least one diode (28, 30; 228, 230) connected between the at least one first capacitor (20, 22; 220, 222) and the at least one second capacitor (24, 26; 224, 226) to block an instantaneous current flow from the common DC bus (12; 212) to the respective AC/DC converter bridge (16, 18; 216, 218) in case of a fault in the AC/DC converter bridge; wherein the capacitance value of the at least one second capacitor (24, 26; 224, 226) is more than 10 times the capacitance value of the at least one first capacitor (20, 22; 220, 222). a common DC bus (12; 212) including at least a positive rail (13; 213) configured to supply power to a plurality of loads (14; 214); a plurality of alternating current /DC converter bridges (16, 18; 216, 218) supplying DC power to the common DC bus (12; 212), wherein each of the AC/DC converter bridges (16, 18; 216, 218) is connected to the common DC bus (12; 212) by a split DC link (32, 34); wherein each split DC link (32, 34) includes: at least one first capacitor (20, 22; 220, 222, 232, 234) connected across DC output terminals of the respective AC/DC converter bridge (16, 18; 216, 218); at least one second capacitor (24, 26; 224, 226, 236, 238) connected across the split DC link (32; 34); and at least one diode (28, 30; 228, 230) connected between the at least one first capacitor (20, 22; 220, 222) and the at least one second capacitor (24, 26; 224, 226) to block an instantaneous current flow from the common DC bus (12; 212) to the respective AC/DC converter bridge (16, 18; 216, 218) in case of a fault in the AC/DC converter bridge; wherein the capacitance value of the at least one second capacitor (24, 26; 224, 226) is more than 10 times the capacitance value of the at least one first capacitor (20, 22; 220, 222). at least one first capacitor (20, 22; 220, 222, 232, 234) connected across DC output terminals of the respective AC/DC converter bridge (16, 18; 216, 218); at least one second capacitor (24, 26; 224, 226, 236, 238) connected across the split DC link (32; 34); and at least one diode (28, 30; 228, 230) connected between the at least one first capacitor (20, 22; 220, 222) and the at least one second capacitor (24, 26; 224, 226) to block an instantaneous current flow from the common DC bus (12; 212) to the respective AC/DC converter bridge (16, 18; 216, 218) in case of a fault in the AC/DC converter bridge; wherein the capacitance value of the at least one second capacitor (24, 26; 224, 226) is more than 10 times the capacitance value of the at least one first capacitor (20, 22; 220, 222).