Electro-dynamics: The Direct-current MotorLongmans Green and Company, 1898 - 298 páginas |
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Página 6
... designed to carry 96 amperes at 125 volts , running at 1,500 revolu- tions per minute . The conductors are laid on the surface of the iron core . The torque is plotted on a base of amperes in the armature . The current in the magnets ...
... designed to carry 96 amperes at 125 volts , running at 1,500 revolu- tions per minute . The conductors are laid on the surface of the iron core . The torque is plotted on a base of amperes in the armature . The current in the magnets ...
Página 10
... designed to carry 96 amperes at 125 volts , running at 1,500 revolu- tions per minute . The conductors are laid on the surface of the iron core . The torque is plotted on a base of amperes in the armature . The current in the magnets ...
... designed to carry 96 amperes at 125 volts , running at 1,500 revolu- tions per minute . The conductors are laid on the surface of the iron core . The torque is plotted on a base of amperes in the armature . The current in the magnets ...
Página 52
... designed to work at its maximum possible output , for as we shall see later on , the efficiency would then be very low ; we here simply state what are the conditions under which a solution of the equations for the induction factor is ...
... designed to work at its maximum possible output , for as we shall see later on , the efficiency would then be very low ; we here simply state what are the conditions under which a solution of the equations for the induction factor is ...
Página 53
The Direct-current Motor Charles Ashley Carus-Wilson. B B Example 18. - A motor is to be designed to. FIG . 13 T pounds T pounds REVOLUTIONS MINUTE 1500 g SREED CURVE FOR B COMBINED SPEED.
The Direct-current Motor Charles Ashley Carus-Wilson. B B Example 18. - A motor is to be designed to. FIG . 13 T pounds T pounds REVOLUTIONS MINUTE 1500 g SREED CURVE FOR B COMBINED SPEED.
Página 54
... designed to work a lift under the following conditions . The tension of the line is 125 volts . The diameter of the rope drum is 36 inches . Worm gearing is used with a velocity ratio of 60. An unbalanced weight of 1,200 pounds has to ...
... designed to work a lift under the following conditions . The tension of the line is 125 volts . The diameter of the rope drum is 36 inches . Worm gearing is used with a velocity ratio of 60. An unbalanced weight of 1,200 pounds has to ...
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Términos y frases comunes
accelerating current acceleration curve amperes armature B.Sc brushes cent centimetres CHEMISTRY circuit College connected in series constant Crown 8vo current curve current per motor Diagrams diameter difference distance travelled dynamo ELECTRICITY ELEMENTARY Engineers equal Example expenditure of energy f.p.s. per second feet per second final speed find the induction foot-pounds force factor frictional torque full speed gearing gives greater Hence horizontal horse-power hysteresis Illustrations inch-pounds increase induced tension induction curve induction factor line watts lines of force load London machine magnetic circuit magnets main shaft maximum current mechanical efficiency mechanical watts miles an hour motor shaft obtained pole-tip pounds railway motor reduced represent resistance to motion revolutions per minute revolutions per second rheostat rotation running Science series-wound motor speed curve Suppose surface conductors terminal tension tion tons torque curve torque loss total current total torque tractive effort velocity ratio volts weight Woodcuts
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