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Ingeniería e Investigación
Print version ISSN 0120-5609
Abstract
JIMENEZ-GARIBAY, Alonso A.; RODRIGUEZ-RESENDIZ, Juvenal and DOMINGUEZ-GONZALEZ, Aurelio. Isolated Converter for Power Factor Improvement in a Brushless DC Motor Driver. Ing. Investig. [online]. 2017, vol.37, n.3, pp.52-60. ISSN 0120-5609. https://doi.org/10.15446/ing.investig.v37n3.62269.
The main advantages of the Brushless Direct Current Motor (BLDCM) are high efficiency, low maintenance, long life, low noise, control simplicity, low weight, and compact construction. However, the traditional driver has power quality issues related to harmonic current injection and poor power factor. This paper presents an alternative for power factor improvement and harmonic content reduction, by means of an isolated converter that supplies the DC-AC voltage source inverter of a traditional BLDCM driver. The proposed converter operates in discontinuous-conduction mode. The design and performance of the driver are validated experimentally in a prototype, in order to comply with the IEC 61000-3-2 international standard.
Keywords : Brushless DC Motor; Isolator Converter; Power Factor; Discontinuous Conduction Mode.