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Harmonic analysis: comparison between different modulation strategies for three phase inverter connecting Distributed Generation

pubblicazioni - Articolo

Harmonic analysis: comparison between different modulation strategies for three phase inverter connecting Distributed Generation

L’articolo illustra i risultati di uno studio condotto per valutare l’impatto armonico della generazione distribuita connessa alla rete mediante inverter trifase a tensione impressa a due livelli e in particolare nella configurazione interallacciata.

The paper deals with the results of a study performed by RSE, in the frame of the Research Fund for the Italian Electrical System, and Politecnico di Milano focused on the evaluation of the harmonic impact on the network of the Distributed Generation, generally connected with Voltage Source Inverter (VSI). In particular the two-level three phase inverter configuration has been study and the Fourier series analysis of the output voltage, with Pulse Width Modulation (PWM), has been evaluated. To reduce the harmonic impact of the inverters connected at the Point of Common Coupling (PCC) the interlaced inverter configuration has been analysed.

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