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Modelling of MVDC Multidrive Systems for Power Quality Analysis

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In a Medium Voltage Direct Current (MVDC) multidrive system several power electronics converters share a common MVDC bus. The contribution of this work relies on the systematic modelling approach of MVDC multidrive systems for the analysis of the MVDC bus power quality. Particularly the interaction between the harmonics injected by the converters at the DC-Link (due to the switching and modulation) with the natural resonances of the MVDC system (due to the line impedances and converters’ bus capacitors) is the key point for the proposed power quality analyses. For that purpose, the analytical modelling of both, the MVDC bus system and the current harmonics injected at the DC-link by the MV converters (3L NPC topology) is addressed in this work. The signal power quality study can be conducted entirely in the frequency domain through the proposed modelling approach at low computational cost. The paper demonstrates the applicability of the methodology for a real case study based on a high-power medium-voltage 5.1kV MVDC multidrive system.

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Ketersediaan

EJ20126

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Informasi Detil

Judul Seri

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No. Panggil

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Penerbit

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS : ., 2020

Deskripsi Fisik

10 p.

Bahasa

English

ISBN/ISSN

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Klasifikasi

NONE

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Tipe Media

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Tipe Pembawa

online resource

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Info Detil Spesifik

Ejurnal

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