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As generally acknowledged, the main drawback of a fully-digitalized power-factor-correction (PFC) rectifier is that too many analog-to-digital converters (ADCs) are used, and hence the corresponding cost is high. Hence, in this paper, the information on the required signal is obtained via two paired sawtoothed waves compared with the sensed signal, without any ADC used. For the PFC rectifier operating...
Single-phase and three-phase unity power factor circuits are nowadays becoming one of the most important requirements for all power electronic rectifiers. In this paper, the idea of using a VSS control strategy based only on measurement of the output DC capacitor voltage with current feedforward control is discussed. Synchronisation of a PWM IGBT boost rectifier and a control algorithm were implemented...
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