AO Smith ST1302 3-Horsepower Single-Phase Full-Rated Round Flange Replacement Motor

An electric motor is equipment that runs on electricity and turns this electrical energy into mechanical energy. As difficult its definition may sound, it’s working is as simple. These motors come in different sizes with different kinds of features used in many day-to-day devices like a fan, a blender, a mixer, a player, a washer, car, cycle, etc. etc. Or we can rightly say, it is used in everything that moves to undertake the devices movement. So how an electric motor does actually works?

It is a device that makes use of magnets for its mechanism, called the electromagnet. An electromagnet is a magnet that is driven by electricity. An electromagnet is created with a help of a simple coil of wires. These wires are copper wires and are wrapped around the magnetic field. The coiled wire generates a quantifiable magnetic field. One can increase the number of wires in the electromagnet to increase the magnets force. There is another magnet that is kept near the electromagnet. This magnet is of the opposite attraction. As soon as the electromagnet is switched on, the copper wires that are wrapped rotates because of the two magnets that undergo a magnetism of conflicting poles. As these rotate, the electromagnet too whirls an armature and undertakes the working of the electric motor. But this is not where the process stops. It is necessary to keep the rotation going and to do this the divergence of the electromagnet must inverse or spin.

There are two different types of electric motors, one which runs on the alternating current while the other that runs on the direct current. The AC helps in shifting the directing of the movement of the poles many a times in one second. This helps the electromagnet to spin continuously without stopping.

The electric motors that run on direct current were used tremendously before the AC current was invented. These motors usually draw their energy from the batteries. In a DC electric motor, there is an extra part called the commutator that helps in continuous spinning of the axle. The commutator is a rotary electrical switch that sporadically reverses the current direction which produces a torque. DC motors are used in devices that do not contain AC current. The starter instrument in a car is an illustration of a DC electric motor.

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