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Optimization of Multiphase Cascaded DC-DC Boost Converters
Faris Hafizh Makarim*; Bintang Antares; Arwindra Rizqiawan; Pekik Argo Dahono
Bandung Institute of Technology
Jalan Ganesha 10, Bandung 40132, Indonesia
*faris.hafizh.makarim[at]students.itb.ac.id
Abstract
This paper presents an optimization of multiphase cascaded DC-DC boost converters to maximize the efficiency. Multiphase cascaded DC-DC boost converters are converters that have a very high gain level and a zero input current ripple. The paper starts with derivation of loss equation in the converter and the result is used for optimization process. It is found that the optimum phase number is three for the first stage and one for the second stage converter. The first stage converter is operated at fixed duty cycle of 0.66. The output voltage control is delegated to the second stage. Experimental results are included in this paper.
Keywords: Multiphase, boost converter, cascade, optimization
Topic: Power Electronics and Its Applications
Link: https://ifory.id/abstract/YA63B8ZxmG2u
Conference: The 6th International Conference on Electric Vehicular Technology (ICEVT 2019)
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