Abstract
This paper deals with the performance evaluation of three different control methods for line current shaping in single-phase system using shunt active power filter (APF). The first two methods are indirect current control based on source current sensing and the last one is a direct current control based on load current sensing. The method I is investigated with an aim to compensate only customer generated harmonics and reactive power to attribute the responsibilities of the utility and customer at the point of common coupling (PCC). The inventing feature of method I is its realisation without the use of source voltage signal. The methods II and III are presented with an objective to compensate customer as well as utility generated harmonics and reactive power. The detailed mathematical modelling of all three controllers is presented. The performance of these controllers is investigated for rapidly varying load under sinusoidal and non-sinusoidal source voltage conditions. The total harmonic distortion (TH...
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