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Simplified power factor correction: Sensorless control could enable smaller, more reliable electronic adapters

Single-phase power factor correction (PFC) circuits—a kind of front-end AC/DC converters—are ubiquitous in a variety of consumer electronic devices, including laptop adapters, LED driver power ...
EurekAlert!

Chonnam National University researchers propose innovative voltage-loop control for power factor correction

Researchers develop a sensorless boost PFC method delivering near 0.9998 power factor and low distortion, enabling smaller and more reliable power supplies for consumer electronics. Single-phase power ...
Electronic Design

What’s the Difference Between Passive and Active Power-Factor Correctors?

1. Power-factor triangle relates the real power, the reactive power, and the apparent power. (Courtesy of Vector Group) Let’s start by talking about the concept of power factor (PF). Assuming ...
Electronic Design

Reconciling Power-Factor Correction Standards Leads To Solutions

There’s a tendency to think of energy on the power lines in terms of its fundamental 60- or 50-Hz frequency—the way the voltage is supposed to be created with the turbines and generators at the power ...
EDN

Implementing power factor correction with frequency clamp critical conduction mode

There’s an increasing need for high-efficiency power conversion for a wide range of applications. Among the several available power factor correction (PFC) solutions, the critical conduction mode (CrM ...