Publicação: A novel high frequency ac voltage regulator with active power factor correction
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This paper describes a novel high frequency ac voltage-regulator using a single ended primary inductance converter as power stage, and active power factor correction through the use of variable hysteresis control technique. The main advantage of this ac voltage-regulator concerns with the smaller volume, and size than the conventional ones. Nowadays, due to power quality standards, high input power factor is a necessity for power electronic converters, to perform that the input current total harmonic distortion (THB) fits into the limits of the standards, like IEC 61000-3-2 limits. It should be noticed that the input current THD for the novel ac high frequency voltage-regulator are in agreement with the requirements defined in the IEC 61000-3-2 standards. This paper presents a complete analysis, design and simulation results for a prototype rated at 300 W, operating with variable switching frequency (30 Hz until 90 kHz), and 127Vrms of nominal output voltages.
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Electric variables control, Frequency conversion, Hysteresis, IEC standards, Inductance, Power factor correction, Power quality, Reactive power, Regulators, Voltage control
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Inglês
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IEEE International Symposium on Industrial Electronics, v. I, p. 275-279.
