Cyclopedia of Applied Electricity: A General Reference Work on Direct-current Generators and Motors, Storage Batteries, Electrochemistry, Welding, Electric Wiring, Meters, Electric Light Transmission, Alternating-current Machinery, Telegraphy, Etc, Volume 2
American technical society, 1916 - Electrical engineering
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air gap alternating current alternating-current alternators ampere-turns amperes arma armature conductors armature core armature winding bearings belted bolted built cast iron cast steel collector rings commutating poles commutator bars conductors connected construction copper Courtesy cross-section diameter Direct-Connected direct-current dynamo eddy-current Electric Company Electrical Engineering employed exciting external field coils field windings field-magnet flux-density form-wound frame horsepower hysteresis illustrated in Fig increase induction motors inductors insulated kilowatts laminations lap winding length lines of force losses machine magnet-cores magnetic circuit magnetization curve magnetomotive force Manufacturing Company method motor-generator number of poles output over-type parallel peripheral speed pole pieces rated load repulsion motor resistance rheostat rotary converter rotation rotor segments shaft short-circuited shown in Fig shows shunt single-phase slots smaller sizes speed motors spider square inch stator teeth terminal voltage three-phase three-wire turns usually ventilation voltage volts watts Wave Winding Westinghouse wire wound yoke
Page 3 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Page 4 - As a unit of quantity, the international coulomb, which is the quantity of electricity transferred by a current of one international ampere in one second. As a unit of capacity, the international farad, which is the capacity of a condenser charged to a potential of one international volt by one international coulomb of electricity.
Page 4 - CGS system of electromagnetic units and which is represented sufficiently well for practical use by the unvarying current which, when passed through a solution of nitrate of silver in water, in accordance with a certain specification, deposits silver at the rate of 0.001118 of a gramme per second.
Page 87 - It will be shown in a later section that the power dissipated in a resistor is equal to the product of the resistance and the square of the current.
Page 307 - ADJUSTABLE-SPEED MOTORS, in which the speed can be varied gradually over a considerable range; but when once adjusted remains practically unaffected by the load, such as shunt motors designed for a considerable...
Page 4 - ... international farad, which is the capacity of a condenser charged to a potential of one international volt by one international coulomb of electricity. Sixth. The unit of work shall be the joule...