. Electric traction and transmission engineering . 197 37. Derive an expression for the economic spacing of substations, thecross section of the composite contact conductor being prescribed by amean effective drop of e volts at a point midway between substations. Suggestion. —Obtain an expression for A by using (3) of § 48, insert it in(3) and (4) of § 62, which then add, multiply by L/\ and use in place of(6) of § 62 for the economic determination. 6M)//?&/fr 0//$wfofi U#/7l/7/fltf. 7o7r<7/7sm/ss/0/7 //he ffes/sfance^. fuse* L/^t/nadw/tcf) Tolra///?y \:I,/umlnating{

---

Size: 1619px × 1543px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., boo, bookauthorsheldonsamuel1862, bookcentury1900, bookdecade1910