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This paper discusses a systematic method to analyze and design the control of parallel active power filter (PAPF). The discussion begins with a universal two-port representation of power stage of PAPF. With the power stage represented by this two-port block, a general control diagram based on current detection is proposed. Different control schemes can be obtained from this general control diagram...
Active power filter (APF) is one of the most effective solutions to compensate the current harmonics and to enhance the power quality in industrial application. Control is one of the key elements to their performance. This paper proposes a generalized control approach for APF, which provides a systematical way not only to analysis the regular control schemes but also develop new control schemes. Based...
Active power filter (APF) is an effective solution to the compensation of power quality problems, especially harmonics. To achieve better performance, the control method is crucial for APF. Currently, there are many control schemes available for APF, which may be classified as two types: one needs harmonics detection from load current, while the other does not need harmonics detection but does need...
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