Power electronics specialist Nitin Agarwal from STMicroelectronics India explains in his article the comparison of the analog approach to the digital approach in power factor correction. Digital ...

Higher capacity circuit ... The PWM drives the gates of the seven switching transistors in the Cuk-Cuk rectifier. 7. A simplified block diagram of a Cuk-Cuk boost-buck three-phase rectifier control ...

To develop offline power supplies that use PFC (power-factor correction), you must first understand the ... and other power-system elements, sometimes tripping circuit breakers. With this basic ...

One in the quest for improved energy efficiency and power quality is the use of active harmonic filter power factor correction (PFC ... time of the isolated PWM converter. Though the basic ...

A medical system employs a 1-kW, four-phase, interleaved single-stage PFC circuit that provides a regulated 150-V dc from a single-phase 115-V ac, 60-Hz power source. This regulator serves as the ...