A power distribution system (100, 545) for providing a desired value of voltage regulation, the system (100, 545) comprising: at least one power source; at least one sink; a distribution feeder (106, 507) configured to couple the at least one power source to the at least one sink; a plurality of modular voltage regulation units (110, 218, 400, 421, 460, 480, 514) coupled to the distribution feeder (106, 507), wherein each of the plurality of modular voltage regulation units (110, 218, 400, 421, 460, 480, 514) comprises: a transformer (420, 422, 442, 462, 482, 503, 646, 652) comprising a primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) having a first end (414, 428, 448, 468, 488, 672, 676) and a second end (416, 428, 430, 450, 470, 490, 673, 677) and a secondary winding (408, 426, 446, 466, 486, 650, 656) having a first end (670, 674) and a second end (671, 675); and at least one switch (402, 403, 404, 405, 432, 434, 452, 454, 472, 492) coupled to the primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) of the transformer (420, 422, 442, 462, 482, 503, 646, 652), characterized in that each of the plurality of modular voltage regulation units is configured such that the first end (670, 674) of the respective secondary winding (408, 426, 446, 466, 486, 650, 656) is internally coupled within the corresponding modular voltage regulation unit (110, 218, 400, 421, 460, 480, 514) to at least one of the first and second ends of the respective primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) via the at least one switch (402, 403, 404, 405, 432, 434, 452, 454, 472, 492), such that the primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) is short circuited when the at least one switch (402, 403, 404, 405, 432, 434, 452, 454, 472, 492) is activated. at least one power source; at least one sink; a distribution feeder (106, 507) configured to couple the at least one power source to the at least one sink; a plurality of modular voltage regulation units (110, 218, 400, 421, 460, 480, 514) coupled to the distribution feeder (106, 507), wherein each of the plurality of modular voltage regulation units (110, 218, 400, 421, 460, 480, 514) comprises: a transformer (420, 422, 442, 462, 482, 503, 646, 652) comprising a primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) having a first end (414, 428, 448, 468, 488, 672, 676) and a second end (416, 428, 430, 450, 470, 490, 673, 677) and a secondary winding (408, 426, 446, 466, 486, 650, 656) having a first end (670, 674) and a second end (671, 675); and at least one switch (402, 403, 404, 405, 432, 434, 452, 454, 472, 492) coupled to the primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) of the transformer (420, 422, 442, 462, 482, 503, 646, 652), a transformer (420, 422, 442, 462, 482, 503, 646, 652) comprising a primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) having a first end (414, 428, 448, 468, 488, 672, 676) and a second end (416, 428, 430, 450, 470, 490, 673, 677) and a secondary winding (408, 426, 446, 466, 486, 650, 656) having a first end (670, 674) and a second end (671, 675); and at least one switch (402, 403, 404, 405, 432, 434, 452, 454, 472, 492) coupled to the primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) of the transformer (420, 422, 442, 462, 482, 503, 646, 652), characterized in that each of the plurality of modular voltage regulation units is configured such that the first end (670, 674) of the respective secondary winding (408, 426, 446, 466, 486, 650, 656) is internally coupled within the corresponding modular voltage regulation unit (110, 218, 400, 421, 460, 480, 514) to at least one of the first and second ends of the respective primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) via the at least one switch (402, 403, 404, 405, 432, 434, 452, 454, 472, 492), such that the primary winding (406, 424, 444, 464, 484, 648, 646, 648, 654) is short circuited when the at least one switch (402, 403, 404, 405, 432, 434, 452, 454, 472, 492) is activated.