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NEW METHOD OF SIZING A FILTER (RL-C) FOR AN INVERTER WITH SPWM CONTROL IN MEDIUM VOLTAGE ALTERNATING
Author(s) -
Kouakou Fernand Koffi,
Agoua Raoule,
D.H. Landry,
Georges Laussane Loum,
Olivier Asseu
Publication year - 2021
Publication title -
international journal of advanced research
Language(s) - English
Resource type - Journals
ISSN - 2320-5407
DOI - 10.21474/ijar01/12654
Subject(s) - total harmonic distortion , voltage , control theory (sociology) , pulse width modulation , inverter , harmonic , alternating current , capacitor , filter (signal processing) , three phase , mathematics , electronic engineering , computer science , electrical engineering , engineering , physics , acoustics , control (management) , artificial intelligence
The need to use SPWM controlled voltage inverters in MV, led us to examine how to filter alternative signals with filters (L-C) and (RL-C). This allowed us to decide on the use of certain formulas for calculating the elements of these filters. Likewise, we have proposed a method of calculating the resistance R by mathematical iterations without using the quality factor Q, in order to obtain a low error rate between the RMS values and the fundamental effective values and THDs respecting the standard 519 IEEE - 2014. The results of these studies obtained using the MATLAB-SIMULINK software are presented in the penultimate session of this article. Nomenclature SPWMSinusoidal Pulse-Width-Modulation THDTotal Harmonic distortion SNApparent power of the alternating load MVMedium voltage alternating voltage (1 kV --- 50 kV) Uphphase-to-phase voltage at the ac load RMSRoot Mean Squared R L CResistance Inductance Capacitor MVDCMedium voltage direct current VSIVoltage Source Inverter

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