Optimized design is presented with adding lead-lag correction to improve low-passfilter character according to the harmonicdetection of ***-order ellipse filter is chose as the core of the harmonicdetection after c...
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Optimized design is presented with adding lead-lag correction to improve low-passfilter character according to the harmonicdetection of ***-order ellipse filter is chose as the core of the harmonicdetection after compared with kinds of *** of parameters which affects system performance is worked out by analyzing distribution of system zero-pole point,then lead-lag correction is added to optimize low-pass *** result shows that optimized design raised in this paper fits the detection of power harmonic and fundamental reactive current better,nice accuracy and dynamic response are obtained in the detection system,it has a strong engineering practicality to improve compensation performance of APF.
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