Understanding power factor (PF) is important because it gives us a clear understanding of the efficiency of an electrical system. Put simply, it’s the ratio of true power and apparent power, which ...

Power Factor (PF) is a measure of how a load draws power from the source. When the current phasor leads the voltage phasor, PF is leading and when the current phasor lags the voltage phasor, PF is ...

The higher the I RMS the power line draws for the given average power delivered to the load, the lower the power factor (PF). The ac-dc converter in Figure 2, which operates from 120-V ac line voltage ...

(Editor's Note: Since this article appeared online, a reader submitted some interesting comments, and there was a response to those comments as well. Scroll down, below the “About the author” section, ...

Motors and generators are critical components of electrical systems. They are used to automate numerous industrial processes, circulate liquids for cooling and lubrication purposes, and generate ...

Providing modern electronic devices with a diet of healthy power is not straightforward. Small AC-connected equipment often uses a capacitor-input filter following a half- or full-wave rectifier.