Joint Technical Meeting on Power Engineering and Power Systems Engineering, IEE Japan
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Abstract
Low-order harmonic currents flowing in the grid-tied inverter vary due to the influence of the harmonic voltages of the distribution system. However, analytical method has not been established to analyze the variations in these harmonics. In a previous study, we proposed a calculation method which models the harmonic characteristics of three-phase inverters using sequence-domain impedances. This paper aims to validate the proposed calculation method using a practical harmonic calculation program in the presence of multiple and unbalanced harmonic components.