作者:
H Akagi，H Fujita，K Wada
关键词:
active filters ； harmonic distortion ； power distribution lines ； power harmonic filters ； power system harmonics ； 20 kW ； 200 V ； 50 ohm ； harmonic damping ； harmonic propagation attenuation
摘要:
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
在线下载