A power circuit, comprising: first and second rectifier circuits (10, 114) coupled in parallel with one another, each rectifier circuit comprising: a transformer having 15 series coupled inductors joined by 15 nodes interposed between pairs of the inductors and represented as a hexagon in which a first side comprises 2 inductors, a second side adjacent to the first side comprises 3 inductors, a third side adjacent to the second side comprises 2 inductors, a fourth side adjacent to the third side comprises 3 inductors, a fifth side adjacent to the fourth side comprises 2 inductors, and a sixth side adjacent to the fifth and first sides comprises 3 inductors, three inputs (18, 20, 22) for three-phase AC power coupled to alternating vertices of the hexagon, wherein the inputs of the first rectifier circuit are coupled to the vertices (86, 106, 110) between the first and second sides, between the third and fourth sides, and between the fifth and sixth sides, and wherein the inputs of the second rectifier circuit are coupled to the vertices (80, 90, 100) between the second and third sides, between the fourth and fifth sides, and between the sixth and first sides, and nine outputs for nine-phase AC power coupled between each node that is not a vertex of the hexagon and a respective diode bridge; a DC bus coupled to outputs of the diode bridges of the first and second rectifier circuits; and means for reducing circulating current between the rectifier circuits and for promoting load sharing between the rectifier circuits, wherein the means for reducing circulating current between the rectifier circuits and for promoting load sharing includes AC line reactors coupled to each of the inputs of each of the rectifier circuits or choke inductors coupled between each output of the diode bridges of each rectifier circuit and the DC bus. first and second rectifier circuits (10, 114) coupled in parallel with one another, each rectifier circuit comprising: a transformer having 15 series coupled inductors joined by 15 nodes interposed between pairs of the inductors and represented as a hexagon in which a first side comprises 2 inductors, a second side adjacent to the first side comprises 3 inductors, a third side adjacent to the second side comprises 2 inductors, a fourth side adjacent to the third side comprises 3 inductors, a fifth side adjacent to the fourth side comprises 2 inductors, and a sixth side adjacent to the fifth and first sides comprises 3 inductors, three inputs (18, 20, 22) for three-phase AC power coupled to alternating vertices of the hexagon, wherein the inputs of the first rectifier circuit are coupled to the vertices (86, 106, 110) between the first and second sides, between the third and fourth sides, and between the fifth and sixth sides, and wherein the inputs of the second rectifier circuit are coupled to the vertices (80, 90, 100) between the second and third sides, between the fourth and fifth sides, and between the sixth and first sides, and nine outputs for nine-phase AC power coupled between each node that is not a vertex of the hexagon and a respective diode bridge; a transformer having 15 series coupled inductors joined by 15 nodes interposed between pairs of the inductors and represented as a hexagon in which a first side comprises 2 inductors, a second side adjacent to the first side comprises 3 inductors, a third side adjacent to the second side comprises 2 inductors, a fourth side adjacent to the third side comprises 3 inductors, a fifth side adjacent to the fourth side comprises 2 inductors, and a sixth side adjacent to the fifth and first sides comprises 3 inductors, three inputs (18, 20, 22) for three-phase AC power coupled to alternating vertices of the hexagon, wherein the inputs of the first rectifier circuit are coupled to the vertices (86, 106, 110) between the first and second sides, between the third and fourth sides, and between the fifth and sixth sides, and wherein the inputs of the second rectifier circuit are coupled to the vertices (80, 90, 100) between the second and third sides, between the fourth and fifth sides, and between the sixth and first sides, and nine outputs for nine-phase AC power coupled between each node that is not a vertex of the hexagon and a respective diode bridge; a DC bus coupled to outputs of the diode bridges of the first and second rectifier circuits; and means for reducing circulating current between the rectifier circuits and for promoting load sharing between the rectifier circuits, wherein the means for reducing circulating current between the rectifier circuits and for promoting load sharing includes AC line reactors coupled to each of the inputs of each of the rectifier circuits or choke inductors coupled between each output of the diode bridges of each rectifier circuit and the DC bus.