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3kW fixed-off-time (FOT) power factor correction

Posted: 28 Jul 2010     Print Version  Bookmark and Share

Keywords:power factor correction  electromagnetic noise  electrical efficiency 

In recent years, regulation in terms of electrical efficiency, electromagnetic noise and reliability of the electronic apparatus, in all the application fields, are pushing to use power factor correction in almost all applications—from low power range to high power range and from industrial to domestic applications.

For this reason, the design of a new power factor correction (PFC) architecture is required to satisfy these new priorities. The PFC must work from a few watts to thousands of watts and also use cheap devices and materials. The design described in this paper is able to cover most of the common domestic and industrial applications.

A few examples of the application fields are: air conditioning, inverters (for fans and pumps), welding machinery and industrial battery chargers.

View the PDF document for more information.

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