The Basics of DC and AC Motors DC motors rely on carbon brushes and a commutation ring to switch the direction of the current and magnetic field polarity in a rotating armature.

DC motors and AC motors accomplish this task in different ways. DC machines can be classified as self-excited, separately excited, permanent magnet (PM), and brushless.

How do you go about selecting the right electric motor for an industrial application? What would an expert recommend? What are the advantages and disadvantages to DC & AC Motors ...

In this informative and hands-on video, we'll guide you through the process of building an AC generator at home using a DC ...

AC motor basics An AC motor generates a rotating magnetic field that creates an electrical current in the rotor, which forms another rotating magnetic field. As the two rotating magnetic fields ...

The first type of motor built is still in widespread use In the late 1800s, several inventors built the first working motors, which used direct current (DC) power. After the invention of the induction ...

Figure 1. AC inverters, also called AC drives or variable frequency drives, provide the frequency and voltage needed to drive an AC motor. AC drive application basics Pumps, fans, and conveyor ...

Power density in a dc motor is the quantity of power that a motor is able to have per unit volume—essentially a power-to-mass ratio.

A multimeter is a powerful tool for measuring electrical values such as voltage, resistance, and current, commonly used in automotive and household applications. This beginner’s guide will walk you ...

When energy-efficiency costs come into play, more designers are opting for the electronically commutated motor rather than familiar AC and DC versions.