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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
Title Development of the Harmonics Reduction and Energy Saving Equipment in Variable Loads
Authors Young-Bok Song ; Yong-Hyun Cho ; Dong-Jin Choi
Page pp.87-95
ISSN 1225-1135
Keywords single phase active filter ; third harmonic current ; Zig-Zag transformer
Abstract In this study, in order to obtain high quality of electric power, single phase active filter which is composed of Zig-Zag transformer and three phase bridge rectifier and capacitor at the secondary of its transformer to be able to reduce the components of the zero phase current and the third harmonic current in neutral line and power line respectively. By connecting this filter to the Zig-Zag transformer and nonlinear load, their third harmonic components due to the nonlinear loads were reduced.