Harmonic Issues Assessment on PWM VSC-Based Controlled Microgrids using Newton Methods

G. Agundis-Tinajero, J. Segundo-Ramírez, R. Peña-Gallardo, N. Visairo-Cruz, C. Núñez-Gutiérrez, Josep M. Guerrero, Mehdi Savaghebi

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18 Citations (Scopus)
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Abstract

This paper presents the application of Newton-based methods in the time-domain for the computation of the periodic steady state solutions of microgrids with multiple distributed generation units, harmonic stability and power quality analysis. Explicit representation of the commutation process of the power electronic converters and closed-loop power management strategies are fully considered. Case studies under different operating scenarios are presented: grid-connected mode, islanded mode, variations in the Thevenin equivalent of the grid and the loads. Besides, the close relation between the harmonic distortion, steady state performance of the control systems, asymptotic stability and power quality is analyzed in order to evaluate the importance and necessity of using full models in stressed and harmonic distorted scenarios.
Original languageEnglish
JournalI E E E Transactions on Smart Grid
Volume9
Issue number2
Pages (from-to)1002 - 1011
Number of pages10
ISSN1949-3053
DOIs
Publication statusPublished - Mar 2018

Keywords

  • Commutation process
  • Voltage source converter
  • Pulse-width modulation
  • Power management
  • Periodic steady state
  • Newton methods
  • Microgrid
  • Limit cycle
  • Harmonics

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