Whether you are a house owner who's handy at fixing things around the house or an experienced technician who works with various types of machinery, eventually you will work with industrial motors. You can find them with various horsepower, speeds, voltage, frames, enclosures, and mountings depending on their various uses. Two of the most common engine types are AC and DC, referring to engines that utilize alternating current and direct current, respectively.
A Simple Design: This machine is made of three windings in the exterior section with a simple rotating section, called the rotor. The AC line voltage causes the rotor to rotate around the axis. Its speed is dependent on only three things: the fixed number of poles, or electromagnetic winding sets, built into the motor; variable speed drives, commonly referred to as inverters or amplifiers, that change the frequency of the AC line voltage; and the amount of force or load on the machine. Changes in speed are expected when the load changes.
Inexpensive: AC industrial motors are the most economical engines available if you need more than 325 watts of power, mainly as a result of their simple design. You can find them in air conditioners, washers and dryers, fans, blowers, vacuum cleaners, and many other products. Because they are so widely used, you won't have any trouble finding a replacement when needed.
Speed Control: With this type of machine, controlling the speed is simple. The higher the armature voltage, the faster the rotation, meanings a faster speed. The voltage will increase along with the horsepower. Most DC industrial motors will perform well over a speed variety of 20:1, down to approximately 5 % to 7 % of the base speed. They are designed with variable speed operation in mind, so they have heat control features that allow lower operating speeds.
Industrial motors are all around us; house owners use them whenever they use appliances and power equipment, while a technician may repair several a day. Chances are you'll use an AC or DC engine before the day is over!
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