Motors

Motors

Industry: Electrical equipment

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Motors

protective relay

Electrical equipment; Motors

A relay, the principal function of which is to protect service from interruption, or to prevent or limit damage to apparatus.

pull-in torque

Electrical equipment; Motors

The maximum constant torque which a synchronous motor will accelerate into synchronism at rated voltage and frequency.

The minimum torque developed by an AC motor during the period of acceleration from zero to the speed at which breakdown occurs. For motors which do not have a definite breakdown torque, the pull-up ...

relay

Electrical equipment; Motors

A device that is operative by a variation in the conditions of one electric circuit to effect the operation of other devices in the same or another electric circuit.

reluctance

Electrical equipment; Motors

The characteristic of a magnetic material which resists the flow of magnetic lines of force through it.

dual voltage

Electrical equipment; Motors

Some motors can operate on two different voltages, depending upon how it is built and connected. The voltages are either multiples of two or the 3 of one another.