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The nonlinearities of the load current in power systems are increasing with the growing number of electronic devices with rectifiers at the front end of their power supply. Therefore designing an inverter that can overcome these nonlinearities in the output current and generate an AC output voltage within the desired Total Harmonic Distortion (THD) level is critical to meeting the power quality requirements...
Dc–dc converters often exhibit undesirable oscillations due to their nonlinear dynamics. Digitally controlled converters have further degrees of nonlinearity in terms of quantization in the analog to digital converter and the digital pulse width modulator, giving rise to the well known phenomenon of limit cycle oscillations. In this study, a different and hitherto unreported class of oscillations...
New nonlinear current control methods are developed for single-phase power factor corrected (PFC) AC-DC converters. The control methods combine input current feedforward with partial feedback control based on the switch current to achieve sinusoidal input current and unity input power factor. The nonlinear control methods don't suffer from the limitations of conventional linear (average) current control...
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