Abstract

The methodology for selecting the parameters of a parallel active filter to compensate higher harmonics in a power supply system with distributed generation has been validated. The structure of the parallel active filter based on power transducer elements is proposed in the paper. A control system for the parallel active filter in conditions of power supply systems with distributed generation based on phase conversions and relay controllers with variable width of hysteresis has been developed. A mathematical model of the parallel active filter with the proposed control system in the power supply system with distributed generation has been developed. The dependences between the performances of higher harmonics compensation by the parallel active filter with the developed control system have been obtained according to the simulation results.

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