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A Proprietary ZVS-Based Approach Delivers High Efficiencies at Light Load With Half the Components of Conventional Designs

January 23, 2023 by Igor Spinella

The ac–dc power supply units providing isolated, regulated outputs operating above 100 W typically require some form of input active power factor correction (PFC) [1] . To achieve this, a popular solution is to combine a boost PFC input stage with an “LLC” converter which isolates and controls the dc output voltage. However, a new, innovative single-stage technique for delivering regulated ac–dc power with a high input power factor offers the promise of high efficiency from no-load to full-load, while halving the number of active devices (MOSFETs) when compared to the traditional approach.

For more about this article see link below.

https://ieeexplore.ieee.org/document/10014604

For the open access PDF link of this article please click here.

Filed Under: Features Tagged With: Load modeling, Power electronics, Power factor correction, Power supplies, Power system measurements, Product design, Reactive power, Switching frequency

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