New implementations of single-stage power-factor-correctors with voltage- doubler line rectifier
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Sebastián Zúñiga, Francisco Javier; Fernández Sarasola, Armando; Hernando Álvarez, Marta María; Villarejo Mañas, José Antonio; Rascón, M.Research Group
División de Sistemas e Ingeniería Electrónica (DSIE)Knowledge Area
Tecnología ElectrónicaSponsors
This work has been supported by the Spanish Ministry of Science and Technology under project number TIC2001-2595Publication date
2002-06Publisher
Institute Electrical and Electronics Engineers. (IEEE)Bibliographic Citation
SEBASTIÁN ZÚÑIGA, Francisco Javier et al. New implementations of single-stage power-factor-correctors with voltage- doubler line rectifier. En: Annual IEEE Power Electronics Specialists Conference (33ª. 2002. Cairns, Australia). PESC'02 : 2002 IEEE 33rd Annual Power Electronics Specialists Conference. Volume 3. Conference Proceeding : Cairns, Queensland, Australia, June 23-27, 2002. Piscataway, N.J. : IEEE , 2002. Pp. 1077-1082. ISBN 0-7803-7262-XKeywords
DiodosCorrectores del factor de potencia de una sola etapa
Rectificador de línea de doble voltage
Alta frecuencia
Baja frecuencia
Almacenamiento de energía
Abstract
This paper deals with a new implementation of a
VoltageDoubler SingleStage Power Factor Corrector OS’PFC).
This new VD-S‘PFC provides a reduction (by half) of
the total voltage drop due to diodes conducting at the same
time from the tine input to the energy-storage capacitors.
Moreover, the size of the additional inductors used to shape
the line current is dramatically reduced due to the fact that
these inductors form part of an additional output of the main
dc-to-dc converter, which is based on a full-wave rectifier and,
therefore, these inductors are operating at hvice the converter
switching frequency and with a higher duty cycle than in the
case of being based on a half-wave rectifier, as in some
previous cases. The experimeutal results show that both
inductors can be hnllt into two E20 cores for a 100 W, 62 Vdc
prototype. The voltage across the series connection of both
energy-storage capacitors is lower than 5OOV and the total
efficiency ofthis prototype is 92-90%.
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