. The Street railway journal . FIG. 11.—SIDE VIEW OF LATEST MOTOR EQUIPMENT, WITH which will maintain a constant speed when provided with aconstant load. This eliminates the necessity of all step-downtransformers, resistances or other regulating devices and con-fines the current to the motors themselves, and as these arebelow the car floor the danger from the current is reduced tothe minimum. At the same time the air cylinders, in addition to performingall the functions of speed control, give to the machine the inde-pendent unit element, and the ability to store the kinetic energyof the train
. The Street railway journal . FIG. 11.—SIDE VIEW OF LATEST MOTOR EQUIPMENT, WITH which will maintain a constant speed when provided with aconstant load. This eliminates the necessity of all step-downtransformers, resistances or other regulating devices and con-fines the current to the motors themselves, and as these arebelow the car floor the danger from the current is reduced tothe minimum. At the same time the air cylinders, in addition to performingall the functions of speed control, give to the machine the inde-pendent unit element, and the ability to store the kinetic energyof the train in stopping and utilizing it in starting. On ac-count of these and other features the electric motors of this FIG. 10.—END VIEW OF LATEST DOUBLE MOTOR EQUIPMENT, WITH TRUCK The operation of the car may be divided into the followingperiods: 1.—STANDING IN THE STATIONReferring to Fig. 3 the rotor R is standing still, while thestator S runs with full synchronous speed. The stator is thentransferring the full energy of the e
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
