Industrial electric motors are relevant components in order to turn electrical power into mechanical energy. They function after magnetic fields interact with conductors that carry current. With the use of a generator, the process may be reversed, that is, mechanical power is converted to electrical energy.
There are a number of applications for industrial electric motors. Included in the list are industrial fans or blowers, pumps and power tools. They are also relevant for the functioning of household appliances as well as computer drives. It operates in two ways: first, with the use of a battery; or from alternating current. Below are some types to take note of.
Electric Motors And Drives Fundamentals Types And Applications
Alternating Current Motors
Alternating current motors or Ac motors are industrial electric motors sub-classified into other forms: Ac induction shaded pole; Ac induction split-phase capacitor; and Ac synchronous. Of these three types, the Ac induction is the least expensive despite its long life and high power capacities. The main disadvantage of this type however is it has the tendency to slip while rotating plus it has a low rotating force. The most base applications are fans.
With Ac induction split-phase capacitors, high power is guaranteed. The rotating force is also higher than the first Ac motor category. However, just like the Ac induction shaded pole, it has the tendency to slip while rotating. Most appliances make use of this type of motor.
The last category, which is the Ac synchronous, is extremely favored because the rotation synchronizes well with frequency and the alternator has a long life. However, it is more expensive than the other types. Tape drives, audio turntables and clocks are its most base applications.
Direct Current Motors
Direct current motors or Dc motors are electric motors that basically run straight through the help of direct current. Just like the Ac motors, it has three types, namely the stepper Dc, brushless Dc and brushed Dc. The stepper Dc's advantages are its spoton positioning and its capacity to withstand rotating force. However, its drawback is the fact that it requires a controller.
Applications contain floppy drives.
As for the brushless and brushed Dc, some points of comparison are noted. A brushless Dc motor has a longer lifespan and requires lower maintenance. When compared to the brushed Dc, it requires higher initial investment and it can only run with the help of a controller. These two industrial electric motors have some applications: hard drives, Dvd players and electric vehicles for brushless Dc; and treadmill and automotive starters for brushed Dc.
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