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A shunt active filter based on voltage detection for harmonic termination of a radial power distribution line

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3 Author(s)
H. Akagi ; Dept. of Electr. Eng., Okayama Univ., Japan ; H. Fujita ; K. Wada

This paper focuses on a shunt active filter based on the detection of harmonic voltages at the point of installation. The objective of the active filter is to attenuate harmonic propagation resulting from series/parallel resonance between capacitors for power factor correction and line inductors in a power distribution line. The active filter acts as a low resistor to the external circuit for harmonic frequencies, and it is installed on the end bus of the power distribution line, just like a 50 Ω terminator installed on the end terminal of a signal transmission line. Therefore, the function of the active filter is referred to as “harmonic termination” in this paper. Experimental results obtained from a laboratory system rated at 200 V and 20 kW verify that the active filter for the purpose of harmonic termination has the capability of harmonic damping throughout the power distribution line

Published in:

IEEE Transactions on Industry Applications  (Volume:35 ,  Issue: 3 )