The word phase has a clear definition for pure traveling sinusoidal waves. This is not the same for music signals since all equalizers shift phase with frequency. Sinusoidal waveforms of the same ...

“Two halves make a whole” is a very old and often true maxim. For example, it’s almost always true when said about AC phase angle power control. You rarely want significant alternating half-cycle ...

For the PDF version of this article, click here. More than 80% of the motors bought each year continue to be low-cost single-phase ac motors. Because these motors are not very efficient when ...