A system comprising: a current control brush assembly, comprising: an electrically conductive arcuate housing (40, 42) retaining a plurality of electrically conductive filaments, wherein the plurality of electrically conductive filaments extends generally inward along a radial direction; characterized in that the housing comprises a first electrically conductive arcuate housing section retaining a first plurality of electrically conductive filaments, and a second electrically conductive arcuate housing section retaining a second plurality of electrically conductive filaments, and a hinge configured to provide a connection between the first and second conductive arcuate housing sections (40, 42) and to facilitate rotation of the second electrically conductive arcuate housing section relative to the first electrically conductive arcuate housing section about an axis substantially perpendicular to a first axial surface of the first electrically conductive arcuate housing section, wherein the hinge is positioned adjacent to a first circumferential end of the first electrically conductive arcuate housing section, and adjacent to a second circumferential end of the second electrically conductive arcuate housing section, and wherein the current control brush assembly comprises a locking assembly configured to secure a third circumferential end of the first electrically conductive arcuate housing section to a fourth circumferential end of the second electrically conductive arcuate housing section, and wherein the locking assembly comprises a first arcuate plate configured to couple to the first axial surface of the first electrically conductive arcuate housing section adjacent to the third circumferential end, and to a second axial surface of the second electrically conductive arcuate housing section adjacent to the fourth circumferential end. a current control brush assembly, comprising: an electrically conductive arcuate housing (40, 42) retaining a plurality of electrically conductive filaments, wherein the plurality of electrically conductive filaments extends generally inward along a radial direction; characterized in that the housing comprises a first electrically conductive arcuate housing section retaining a first plurality of electrically conductive filaments, and a second electrically conductive arcuate housing section retaining a second plurality of electrically conductive filaments, and a hinge configured to provide a connection between the first and second conductive arcuate housing sections (40, 42) and to facilitate rotation of the second electrically conductive arcuate housing section relative to the first electrically conductive arcuate housing section about an axis substantially perpendicular to a first axial surface of the first electrically conductive arcuate housing section, wherein the hinge is positioned adjacent to a first circumferential end of the first electrically conductive arcuate housing section, and adjacent to a second circumferential end of the second electrically conductive arcuate housing section, and wherein the current control brush assembly comprises a locking assembly configured to secure a third circumferential end of the first electrically conductive arcuate housing section to a fourth circumferential end of the second electrically conductive arcuate housing section, and wherein the locking assembly comprises a first arcuate plate configured to couple to the first axial surface of the first electrically conductive arcuate housing section adjacent to the third circumferential end, and to a second axial surface of the second electrically conductive arcuate housing section adjacent to the fourth circumferential end. an electrically conductive arcuate housing (40, 42) retaining a plurality of electrically conductive filaments, wherein the plurality of electrically conductive filaments extends generally inward along a radial direction; characterized in that the housing comprises a first electrically conductive arcuate housing section retaining a first plurality of electrically conductive filaments, and a second electrically conductive arcuate housing section retaining a second plurality of electrically conductive filaments, and a hinge configured to provide a connection between the first and second conductive arcuate housing sections (40, 42) and to facilitate rotation of the second electrically conductive arcuate housing section relative to the first electrically conductive arcuate housing section about an axis substantially perpendicular to a first axial surface of the first electrically conductive arcuate housing section, wherein the hinge is positioned adjacent to a first circumferential end of the first electrically conductive arcuate housing section, and adjacent to a second circumferential end of the second electrically conductive arcuate housing section, and wherein the current control brush assembly comprises a locking assembly configured to secure a third circumferential end of the first electrically conductive arcuate housing section to a fourth circumferential end of the second electrically conductive arcuate housing section, and wherein the locking assembly comprises a first arcuate plate configured to couple to the first axial surface of the first electrically conductive arcuate housing section adjacent to the third circumferential end, and to a second axial surface of the second electrically conductive arcuate housing section adjacent to the fourth circumferential end.