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In this paper, the outlier issues in harmonic source location using parameter identification method are introduced and discussed. The theoretical models and outlier issues in parameter identification method are firstly introduced. Zero-crossing criteria of denominators in parameter solving processes are then obtained through theoretical derivations. Finally, the applicability of equivalent impedance...
Multiple distributed harmonic sources, such as inverter-interfaced distributed generation (DG), in distribution systems have posed new challenges in identifying the cause of harmonic voltages or currents observed at a specific location. This paper proposes a new method to estimate harmonic contribution using nonlinear optimization techniques. First, definitions are provided and the problems are described...
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