Mitigation of line and neutral current harmonics in three-phase distribution systems

M. Ashari*, C. V. Nayar, Syed Islam

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

This paper presents a novel technique for mitigation of line and neutral current harmonics in three-phase distribution systems. The proposed system uses three-phase, four wires, PWM bi-directional converter with battery storage. The converter is connected to the utility supply through link inductors. The line harmonic currents are reduced based on a principle that the current flows through the link inductor will contain purely fundamental frequency if the voltage across the inductor is pure sinewave. Beside its function as an active filter, the system can additionally function as load voltage stabiliser, neutral current mitigator and reactive power copensator. Results from simulation using PSCAD/EMTDC and laboratory tests are presented in this paper.

Original languageEnglish
Pages (from-to)3166-3171
Number of pages6
JournalConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume5
Publication statusPublished - 2000
Externally publishedYes
Event35th IAS Annual Meeting and World Conference on Industrial applications of Electrical Energy - Rome, Italy
Duration: 8 Oct 200012 Oct 2000

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