Motors

Motors

Industry: Electrical equipment

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Motors

thermal protector (inherent)

Electrical equipment; Motors

An inherent overheating protective device which is responsive to motor temperature and which, when properly applied to a motor, protects the motor against dangerous overheating due to overload or ...

Some of the electrical energy losses inherent in motors are converted to heat causing some of the motor parts to heat up when the motor is running. The heated parts are at a higher temperature than ...

temperature tests

Electrical equipment; Motors

Tests conducted to determine the temperature rise of certain parts of a motor above the ambient temperature, when operating under specific conditions.

totally-enclosed air-to-air-cooled machine

Electrical equipment; Motors

A totally enclosed machine cooled by circulating internal air through a heat exchanger which, in turn, is cooled by circulating external air. Provided with an air-to-air heat exchanger for cooling ...

totally-enclosed fan-cooled enclosure

Electrical equipment; Motors

Provides for exterior cooling by means of a fan(s) integral with the machine, but external to the enclosed parts.

totally-enclosed non-ventilated enclosure

Electrical equipment; Motors

Has no provisions for external cooling to the enclosing parts. The motor is cooled by heat radiation from the exterior surfaces to the surrounding atmosphere.

stator

Electrical equipment; Motors

That part of an AC induction motor's magnetic structure which does not rotate. It usually contains the primary winding. The stator is made up of laminations with a large hole in the center in which ...