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Electrical equipment

Any equipment that involves the controlled conduction of electrons.

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Electrical equipment > Motors

maximum acceleration (αm)

Electrical equipment; Motors

An expression of maximum theoretical acceleration from stall (locked rotor) of an unloaded motor with maximum current (Im) applied, measured in rad/sec².

ambient temperature

Electrical equipment; Motors

The temperature of the environment immediately surrounding the motor. It is measured in ºF or ºC.

armature

Electrical equipment; Motors

The rotating portion of the magnetic structure that is found in machines with commutators.

armature reaction

Electrical equipment; Motors

A magnetic field is produced by the armature current. It is shifted approximately 90 electrical degrees with respect to the direction of the stator field. It causes the armature ...

axial end play

Electrical equipment; Motors

The shaft displacement along the motor axis which is due to a reversal of the axial force. It is measured in inches or mm.

free end play

Electrical equipment; Motors

The displacement measured when the moving force is removed after positioning the shaft axially from one extreme position to the other.

cushioned end play

Electrical equipment; Motors

The displacement measured when a force of known value causes the shaft to move axially from one position to another. When specifying cushioned end play, the force and direction of ...