A New Control Method for a Single-Phase Hybrid Active Power Filter based on a Rotating Reference Frame

  • Kim, Jin-Sun (Dept. of Electrical and Electronics Eng., Inha University) ;
  • Kim, Young-Seok (Dept. of Electrical and Electronics Eng., Inha University)
  • Published : 2009.09.20

Abstract

To get instantaneous reference data in a single power system with vector space phasors, the instantaneous load current is adopted as a phase and another new signal, which is delayed through filtering by the phase-delay property of a low-pass filter, is used as the secondary phase. Because the two-phases have a different phase, the instantaneous value of the harmonic current can be obtained without a time-delay in calculation. The reference voltage is created by multiplying the coefficient k by the compensation current using the rotating reference frame synchronized with the source-frequency. To verify the validity of the proposed control method, experiments are carried out on a prototype of the single-phase hybrid active power filter system.

Keywords

References

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