Сontrol strategy of shunt active filter for three-phase four-wire power system with multivariate proportional-vector formation of instantaneous source currents
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Abstract
It is shown that most of the existing control strategies оf shunt active power filters (APF) for three–phase four-wire power system are equivalent to formation of instantaneous source current vector proportional to the referent voltages vector which coincides with the instantaneous vector of the phase voltages or is its part with improved spectral composition. Control system of APF was proposed that realize the multivariate proportional-vector formation of instantaneous source currents. Depending on the application conditions one of the twenty control methods optimal for certain quality characteristics can be selected.
Reference 9, figures 1, tables 2.
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