A three-phase autotransformer (100, 300) comprising: a core (116, 302); a plurality of conductor lines (120, 304), the plurality of conductor lines comprising a first conductor line (130, 305), a second conductor line (134, 307) and a third conductor line (138, 309), and characterized in that the first conductor line (130, 305) comprising a first plurality of windings (132, 318, 334, 336, 344, 350) that includes at least three windings of at least three phases between a neutral point (115, 303) and a first output connection point (150, 340) associated with the first conductor line (130, 305); the second conductor line (134, 307) comprising a second plurality of windings (136, 330, 320, 346, 348, and 326) that includes at least three windings of at least three phases between the neutral point (115, 303) and a second output connection point (152, 352) associated with the second conductor line (134, 307); and the third conductor line (138, 309) comprising a third plurality of windings (140, 342, 332, 322, 324, and 338) that includes at least three windings of at least three phases between the neutral point (115, 303) and a third output connection point (154, 328) associated with the third conductor line (138, 309), and wherein: the core (116, 302) comprises at least three limbs (118, 312, 314, 316) and the at least three windings of each conductor line are wound around the at least three limbs (118, 312, 314, 316). a core (116, 302); a plurality of conductor lines (120, 304), the plurality of conductor lines comprising a first conductor line (130, 305), a second conductor line (134, 307) and a third conductor line (138, 309), and characterized in that the first conductor line (130, 305) comprising a first plurality of windings (132, 318, 334, 336, 344, 350) that includes at least three windings of at least three phases between a neutral point (115, 303) and a first output connection point (150, 340) associated with the first conductor line (130, 305); the second conductor line (134, 307) comprising a second plurality of windings (136, 330, 320, 346, 348, and 326) that includes at least three windings of at least three phases between the neutral point (115, 303) and a second output connection point (152, 352) associated with the second conductor line (134, 307); and the third conductor line (138, 309) comprising a third plurality of windings (140, 342, 332, 322, 324, and 338) that includes at least three windings of at least three phases between the neutral point (115, 303) and a third output connection point (154, 328) associated with the third conductor line (138, 309), and wherein: the core (116, 302) comprises at least three limbs (118, 312, 314, 316) and the at least three windings of each conductor line are wound around the at least three limbs (118, 312, 314, 316). the second conductor line (134, 307) comprising a second plurality of windings (136, 330, 320, 346, 348, and 326) that includes at least three windings of at least three phases between the neutral point (115, 303) and a second output connection point (152, 352) associated with the second conductor line (134, 307); and the third conductor line (138, 309) comprising a third plurality of windings (140, 342, 332, 322, 324, and 338) that includes at least three windings of at least three phases between the neutral point (115, 303) and a third output connection point (154, 328) associated with the third conductor line (138, 309), and wherein: the core (116, 302) comprises at least three limbs (118, 312, 314, 316) and the at least three windings of each conductor line are wound around the at least three limbs (118, 312, 314, 316).