2020
DOI: 10.1049/el.2020.2009
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Single‐stage PFC bridgeless converter

Abstract: A power factor correction (PFC) charge-pump (CP) bridgeless converter for LEDs is presented. In the input stage, coupled inductors, together with CP capacitors, are integrated into a half-bridge inverter, thus characterising the single stage. This topology even being bridgeless due to the positioning of the load operates with a bus voltage below the bending voltage. The CP configuration is used to reduce the LED's current ripple. The prototype achieves an output power of 60 W with high power factor, achieving … Show more

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Cited by 3 publications
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“…Fonseca in [9] proposed a controller topology for LED lamps that is different from the usual ones today.…”
Section: The Theoretical Framework Of the Selected Articlesmentioning
confidence: 99%
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“…Fonseca in [9] proposed a controller topology for LED lamps that is different from the usual ones today.…”
Section: The Theoretical Framework Of the Selected Articlesmentioning
confidence: 99%
“…However, by reducing the output power to 30% of the nominal, the current harmonic distortion and power factor level were 60% and 0.85, respectively. However, the author characterized the project as feasible because the topology, operating at nominal power, met the limits imposed in Class C of IEE Standard 61000-3-2 [9].…”
Section: The Theoretical Framework Of the Selected Articlesmentioning
confidence: 99%