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Electrical equipment

Any equipment that involves the controlled conduction of electrons.

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Contributors in Electrical equipment

Electrical equipment > Motors

oil mist lubrication-dry sump

Electrical equipment; Motors

A method for lubricating anti-friction bearings which utilizes oil dispersed on an air stream. The mist is exhausted from the bearing housing so as not to permit oil to ...

magnetic polarity

Electrical equipment; Motors

It is a fundamental principle of a winding that adjacent poles must be wound to give opposite magnetic polarity. This does not mean that the coils actually have to be wound in ...

medium motors

Electrical equipment; Motors

Motors in NEMA 143T to 449T frames.

oil mist lubrication-wet sump

Electrical equipment; Motors

Similar to Oil Mist Lubrication - Dry Sump, except that a pool of oil is developed in the bearing chamber. This oil pool will continue to supply oil to the bearing in the event ...

open bearing

Electrical equipment; Motors

A ball bearing that does not have a shield, seal or guard on either of the two sides of the bearing casing.

open externally-ventilated machine

Electrical equipment; Motors

A machine which is ventilated with external air by means of a separate motor-driven blower mounted on machine enclosure.

meggar test

Electrical equipment; Motors

A measure of an insulation system's resistance. This is usually measured in megohms and tested by passing a high voltage at low current through the motor windings and measuring ...