2002
DOI: 10.1109/tpel.2002.1004247
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Parallel operation of modular power factor correction circuits

Abstract: The parallel operation of modular power factor correction circuits is illustrated. The modular units using boost converters are operated at a constant frequency with variable dutyratio. Flexible load demand is met by changing the number of operating modules under the maximum current limit. The operating modules have the same frequency and duty-ratio, but are equally phase-shifted to each other by a fraction of the switching period to reduce the ripple content and to increase the ripple frequency of the input c… Show more

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Cited by 11 publications
(3 citation statements)
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“…This may increase switching losses and components. However, as these power converters have to meet very high load demand, which leads to more heat dissipation and high rating of the device, modular converters with different configurations are arrived employing various control methods [14][15][16][17]. Among the various three-phase circuit topologies for power-factor correction (PFC) [18], these modular AC to DC converters have many advantages like flexible load demand, effective current sharing and reduced voltage stress on the switches.…”
Section: Introductionmentioning
confidence: 99%
“…This may increase switching losses and components. However, as these power converters have to meet very high load demand, which leads to more heat dissipation and high rating of the device, modular converters with different configurations are arrived employing various control methods [14][15][16][17]. Among the various three-phase circuit topologies for power-factor correction (PFC) [18], these modular AC to DC converters have many advantages like flexible load demand, effective current sharing and reduced voltage stress on the switches.…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, the performances of higher order converter with controllers such as hysteresis control, sliding mode control and linear quadratic regulator (LQR) were analysed in many literatures [14][15][16][17][18][19]. However, only few of them address the problems like fault at one phase, module loss and total unbalance supply voltage conditions [20][21][22].…”
Section: Introductionmentioning
confidence: 99%
“…En el cas dels rectificadors amb elevat factor de potència, la seva paral•lelització és un camp a seguir investigant. Existeixen alguns treballs previs que apunten en aquesta direcció [Moo02] [Kim03] [Huang03], ara bé, es tracta de treballs inicials amb restriccions com la necessitat d'utilitzar mòduls molt similars, o fils d'interconnexió entre convertidors.…”
Section: Rectificadorsunclassified