The Electrical Engineer, Vol. 10: A Weekly Journal of Electrical Engineering, With Which Is Incorporated "Electric Light"; From July 1, 1892, to December 30, 1892 (Classic Reprint) - Hardcover

Inhaltsangabe

Excerpt from The Electrical Engineer, Vol. 10: A Weekly Journal of Electrical Engineering, With Which Is Incorporated "Electric Light"; From July 1, 1892, to December 30, 1892

Mr. A. J. Jarman said that when the armatures were wound on the axles, the latter were turned into part of the magnet with the wheels, thus forming the pole, and clinging to the rail hence, no sand was required to assist in starting. Another point was why the motors were wound in series. Supposing that one of the main wires become cut or broken, that motor would st0p. If, however, the motors were wound in parallel, there would always be one leg of the field magnet to work, but worked in series with series winding that motor would be cut out. Winding in parallel had many advantages over winding in series in working the machine on gradients. He was alluding to tramcar traction, and he considered it would be more advantageous to wind the motors in parallel than in series.

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