. Report of the Electric Railway Test Commission to the president of the Louisiana Purchase Exposition . Fig. 150. — Variation of Pressure Drop perMile with Total Amperes. Single TrackAlone. 600Amperes Fig. 151. — Variation of Pressure Lost per Mileof Track with Total Current. Single 600 Amperes 0 Fig. 152. — Variation ofTotal Current 139, 140, and 141. A. C. Drop ...0 „ „ „—- with 300 400 300 600Ampere8Variation of Power Factor with Fig. 153. Total Current. Single Track Alone D. C. DropSingle Track Alone. The data sho^^ing the pressure drop per mileof track are given in Fig. 146,
. Report of the Electric Railway Test Commission to the president of the Louisiana Purchase Exposition . Fig. 150. — Variation of Pressure Drop perMile with Total Amperes. Single TrackAlone. 600Amperes Fig. 151. — Variation of Pressure Lost per Mileof Track with Total Current. Single 600 Amperes 0 Fig. 152. — Variation ofTotal Current 139, 140, and 141. A. C. Drop ...0 „ „ „—- with 300 400 300 600Ampere8Variation of Power Factor with Fig. 153. Total Current. Single Track Alone D. C. DropSingle Track Alone. The data sho^^ing the pressure drop per mileof track are given in Fig. 146, the power losses per mile are sho^iiin Fig. 147, the ratio of to pressure drop are given inFig. 148, while the power factor is sho^\Ti in Fig. 149. Thedata for a given frequency are, in all cases, plotted in a singlecurve. 448 ELECTRIC RAILWAY TEST COMMISSION Test No. 49. Single Track Alone. —Figs. 150, 151, 152,and 153 show the results of the investigations on a singletrack alone. These curves have been constructed in the same
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