How to Understand Torque in Electric Motors?

Like most motors, electric motors provide torque. This is the twisting motion that a motor uses to move something else, such as a car's wheel, a gear or a variety of other pieces of equipment. The higher a motor's torque capacity, the more it can move with each twist. However, this often comes at the price of lower maximum power. Electric motors produce torque in a specific way, and it is important to understand how they do so in order to understand electrical motors.

* Understand how magnets work. North poles are attracted to south poles and vice versa. So, if a magnet is on a pivot with a south pole on its north side and a north pole on its other side, it will naturally align as the poles attract.

* Build on your understanding of magnets to understand electromagnets. Electromagnets are created when you wrap a wire around a piece of metal and put a charge through it. This turns the piece of metal into a magnet.

* Examine the amount of control that electromagnets allow. By reversing the charge going through them, you can reverse the north and south poles.

* Look at the effect of reversing the charge at just the right moment. As the south poles go toward the north poles, the electromagnet's poles suddenly change, which forces it to start another revolution. Then, as it approaches again, the poles change again. This creates rotational force, or torque.