The London, Edinburgh and Dublin philosophical magazine and journal of science . with a constant electromotive force. The converseoperation may likewise be performed. In fig. 3 let the circle Cx represent the locus of the primaryelectromotive force E2 during some particular change of con-dition, the primary current meanwhile being maintainedconstant and in the direction OA. The difference in phasebetween the current and electromotive force is the angle $1#The locus of the primary current under the same change ofconditions, if the primary electromotive force is maintainedconstant, is the dotted
The London, Edinburgh and Dublin philosophical magazine and journal of science . with a constant electromotive force. The converseoperation may likewise be performed. In fig. 3 let the circle Cx represent the locus of the primaryelectromotive force E2 during some particular change of con-dition, the primary current meanwhile being maintainedconstant and in the direction OA. The difference in phasebetween the current and electromotive force is the angle $1#The locus of the primary current under the same change ofconditions, if the primary electromotive force is maintainedconstant, is the dotted circle C2, which is reciprocal to the constant electromotive force is drawn in the directionOA, the locus of the primary current is the circle C2, drawnso that the angles AOCi and AOC2 are equal. An application of the method of reciprocal vectors is shownin fig. 4. Positive rotation is counter-clockwise. The semi-circle JKN represents the locus of the primary electromotiveforce of a transformer, when the primary current is constant 304: Mr. Frederick Bedell on Fiff. Fig. 4.—Method of obtaining Primary Current Locus by thePrinciple of Reciprocal Vectois.
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Keywords: ., bookcentury1800, bookdecade1840, bookidlondon, booksubjectscience
