. The street railway review . e car wheels a much greater torque in proportion to the capacityof the motor than is possible with any electrical systen. knownto-day. I l)elieve that by the ndo|)tion of this system the following resultswill be accomplishe<l: 1. Tlie entire elimination of the present standard system of rotaryconverter sub-station plant, together with the maintenance thereon,and the cost of the necessary attendants. 2. ThC absorbing and rendering available for useful work instarting, or otherwise, a large percentage of the energy stored inthe moving mass which under the present


. The street railway review . e car wheels a much greater torque in proportion to the capacityof the motor than is possible with any electrical systen. knownto-day. I l)elieve that by the ndo|)tion of this system the following resultswill be accomplishe<l: 1. Tlie entire elimination of the present standard system of rotaryconverter sub-station plant, together with the maintenance thereon,and the cost of the necessary attendants. 2. ThC absorbing and rendering available for useful work instarting, or otherwise, a large percentage of the energy stored inthe moving mass which under the present tnethods of operation isdissipated at the brake slioes. 3. A large reduction in the first cost of electrically etiuippiirglong-distance railroads, thereby making it feasible, from an engi-neering and business standpoint, to equip many roads which cannotnow be shown , thus opening up the steam railway field tothe industry in which we are now engaged. The followitig description will explain mure in detail the appHca-. IIO. C-INTERIOR OF STATOR. tion of the |)rinei|iles of the system and the mechanism of its work-ing parts: Fig. ,] represents diagraiiinialieally tlu wnrkinK ot mu- lunnof the system: The rotor U of ,1 single ijhase induction motor isgeared to the jixle of the car and by means of cr;inliped to air 50 STREET RAILWAY REVIEW. [Vol. XIV, No. I. reservoirs located under the car and arc also provided with a suit-able valve manipulated from a single controller on the car platfitniifor making them iierfonn their various functiitns, thus the entirerigulation of the Sliced and power of the car are controlled by theair cjlinders and no other regulating devices arc nccessarj. The cyl-inder valves arc electrically operated, which makes it possible foreach cylinder when driven


Size: 1995px × 1252px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads