The Street railway journal . FIG. 2.—CURRENT DISTRIBUTION WITH BRUSHESOPPOSITE POLES Street Ry.Joumal FIG. 3.—CURRENT DISTRIBUTION WITH BRUSHES MIDWAYBETWEEN POLES. FIG, 4.—CURRENT DISTRIBUTION WITH BRUSHES AT ANGLEWITH NEUTRAL POINT This is

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Download this stock image: . The Street railway journal . FIG. 2.—CURRENT DISTRIBUTION WITH BRUSHESOPPOSITE POLES Street Ry.Joumal FIG. 3.—CURRENT DISTRIBUTION WITH BRUSHES MIDWAYBETWEEN POLES. FIG, 4.—CURRENT DISTRIBUTION WITH BRUSHES AT ANGLEWITH NEUTRAL POINT This is true till the brush begins to cut out torque-producingwires. As soon as this happens 2 V K 1 S 180 —nT= f n —2 I V FIG, ©CsXsX*) Street Ry.Journal -CURRENT DISTRIBUTION WITH BRUSHES AT ANGLEWITH NEUTRAL POINT R 2 VKf ) 180 —2 V 360 V K f 4 V2 K f R R differentiating d T 360 K f 8 V K f dV o for a maximum R whence R360 V = = 45c In practice the position - 2CH787B from Alamy's library of millions of high resolution stock photos, illustrations and vectors.