2008
DOI: 10.1109/tie.2007.909078
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Practical Design and Evaluation of a 1 kW PFC Power Supply Based on Reduced Redundant Power Processing Principle

Abstract: Abstract-Using the reduced redundant power processing (R 2 P 2 ) principle, a single-phase power-factor correction (PFC) power supply can achieve a higher overall efficiency as a result of the use of a noncascading structure that involves less repeated processing of the input power. This paper investigates a single-phase noncascading PFC power supply based on the R 2 P 2 principle. The circuit employs a current-fed full-bridge converter as the PFC preregulator, and a buck-boost converter as the voltage regulat… Show more

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Cited by 43 publications
(12 citation statements)
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“…However, due to the nonlinear nature of (1), a linear controller cannot be used without i L becoming distorted [10]. The distortion can be avoided if, in the closed loop, the state-space averaged input current dynamics are linear in the large.…”
Section: Current-loop Controllermentioning
confidence: 99%
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“…However, due to the nonlinear nature of (1), a linear controller cannot be used without i L becoming distorted [10]. The distortion can be avoided if, in the closed loop, the state-space averaged input current dynamics are linear in the large.…”
Section: Current-loop Controllermentioning
confidence: 99%
“…Both peak current mode and average current mode controls are widely used [9]. The main difference between the two methods is that, in the latter, the sensed inductor current signal is averaged and compensated by a current compensation network [10], while in the former; only inductor current is sensed and used [11,12]. Although noise in average current mode control can be suppressed, the architecture of the system with average current mode control is complicated.…”
Section: Introductionmentioning
confidence: 99%
“…To simplify the circuit structure and improve the efficiency, single-stage frond-end rectifiers are reported by merging power factor correction stage with its downstream DC-DC converters [1]. In low-voltage AC-DC converter, Dwari [2] paralleled the boost and buck-boost converter to improve the energy harvesting efficiency.…”
Section: Introductionmentioning
confidence: 99%
“…It is felt that a systematic design procedure is necessary so that their relationship can be fully exploited. Understanding this relationship not only benefits the design of pre-regulators but also the design of some specific applications of non-cascading PFC switching regulators that require high conversion efficiency [17]- [19].…”
Section: Introductionmentioning
confidence: 99%