. The street railway review . OOO KW. ill either case, togetlier Willi llie cxiiciiso of iiiaiiilniiiiiii; ami ii|ici-atiug the sub-stations, will iiuiikly ilctiiiiimu wliiih is tin betterplan. In iiiteriirlian coiistriietion there are two dilTereut opinionsmaiiituiiied regarding One is that sub-stationsshould be iiilniature power .stations, contain a large quantity ofapparatus, in charge of skilled attendants, and be spaced atrather long intervals along the road; the other idea is tliat snb- stations should lie rriM|uciit, contain little reserve, and .slioiild betaken care of
. The street railway review . OOO KW. ill either case, togetlier Willi llie cxiiciiso of iiiaiiilniiiiiii; ami ii|ici-atiug the sub-stations, will iiuiikly ilctiiiiimu wliiih is tin betterplan. In iiiteriirlian coiistriietion there are two dilTereut opinionsmaiiituiiied regarding One is that sub-stationsshould be iiilniature power .stations, contain a large quantity ofapparatus, in charge of skilled attendants, and be spaced atrather long intervals along the road; the other idea is tliat snb- stations should lie rriM|uciit, contain little reserve, and .slioiild betaken care of by the .station aiieut or some other employe, whoseprincipal duties are not the caretaking of tiie sub-station. In citypiaitice. however, there is no question but that the sub-stationshould be ilesigned and built with as much care as that used inthe power |ilant construction, that it should contain reserveapparatus enough to tide over any ordinary break-down, andthat it slioidd be constantly in charge ot skilled H(i. 11-LONOITUUINAL SKCTION OIC , . CAIACIlV, ) KW. C80 DAILY STREET RAILWAY REVIEW. [Squal No—Vol. XIII, No. 8d. The high roltflgc current entering the Biib-Hlatlong Is hnndlodby brkk-liiclosed, oll-brenk, hwIIcIioh, JiiHt n» Intlie (loner Htutlon. Fruiu tlie HwitclieM It pnHHeH to trHnsriirnicni,where Its roltnge is (lecreiixed to tliiit suitable fur driving theconverters. This eurrent, fed In nt the nllerntitlng current endof the rotnrj converters, produce* the 075 or (itMlvolt dlro<-t cur-rent whieli Is sent to the direct current bus bur for tmnsmlsBlonto the tmllcy wire. The trnnsforniers nre cooled either by waterclriUlatlnK around the shell or by air blown thruugli the wlndiiiKx. Itotiiry Converters.— A size of rotary converter which lias beenlargely adoiitiMl for city work Is 1,0<H) kw., nlllioMgh one large
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
