Electric Traction and Transmission Engineering

alternating current alternating-current amperes apparatus armature assumed average braking cent circular mils cloth coil condenser connected constant contact conductor controller converter copper corona cosh ys cost cross section determined direct current direct-current motors distance dollars economic efficiency Electric electromotive force energy engines equation equipment feeder feet field flux gear ratio horsepower hour per second hyperbolic functions Illustrated Imax increase induction motor installed insulators kilovolts kilowatt kilowatt-hour length line voltage load loss maximum method miles per hour minimum motor current motor-generators ohms operation passengers phase poles potential pounds power factor power house power station pressure railway motor rate of acceleration rheostatic schedule speed series motor shown in Fig single-phase sinh ys speed curve steam substations supplied switch temperature third rail three-phase tion torque track traction tractive effort train resistance transformers transmission line trolley turbines units velocity volts weight wheels winding wires