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A simple frequency-independent method for calculating the reactive and harmonic current in a nonlinear load

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4 Author(s)
Tepper, J.S. ; Catholic Univ. of Chile, Santiago, Chile ; Dixon, J.W. ; Venegas, G. ; Moran, L.

A basic criterion that determines the behavior of an active power filter is the method of calculating the reference current. There are many ways of generating this reference, but the methods are generally complex and hard to tune. This paper describes a simple and effective method for calculating the reference current necessary to feed a shunt active power filter to compensate the power factor and harmonic currents generated by a nonlinear load. Simulations and experimental results are presented, showing that the proposed circuit may operate at frequencies ranging from 40 to 65 Hz without adjustment.

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Industrial Electronics, IEEE Transactions on  (Volume:43 ,  Issue: 6 )