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Output Voltage Quality Evaluation of Stand-alone Four-Leg Inverters Using Linear and Non-Linear Controllers

Author

Listed:
  • Ricardo Luís

    (INESC-ID, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
    Instituto Superior de Engenharia de Lisboa, Polytechnic Institute of Lisbon, 1959-007 Lisboa, Portugal)

  • José Fernando Silva

    (INESC-ID, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal)

  • José Carlos Quadrado

    (Instituto Superior de Engenharia de Lisboa, Polytechnic Institute of Lisbon, 1959-007 Lisboa, Portugal)

Abstract

This paper presents the design and experimental voltage quality evaluation of controllers for the output voltages of 3-phase four-leg voltage source inverters. These inverters are needed in stand-alone power systems to supply linear and non-linear, balanced or unbalanced loads with constant RMS value voltages at fixed frequency. Comparisons include closed loop outer voltage controllers based on predictive, sliding mode and decoupled proportional-integral controllers in dqo synchronous space, fitted with an inner hysteretic current loop vector controller in α β γ space. The 3-phase four-leg VSI output voltages waveform quality is analysed under unbalanced and non-linear loads.

Suggested Citation

  • Ricardo Luís & José Fernando Silva & José Carlos Quadrado, 2017. "Output Voltage Quality Evaluation of Stand-alone Four-Leg Inverters Using Linear and Non-Linear Controllers," Energies, MDPI, vol. 10(4), pages 1-20, April.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:4:p:504-:d:95335
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    References listed on IDEAS

    as
    1. da Silva, J.Fernando A. & Fernão Pires, V. & Pinto, Sónia Ferreira & Barros, J.Dionı́sio, 2003. "Advanced control methods for power electronics systems," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 63(3), pages 281-295.
    2. Nasiri, Reza & Radan, Ahmad, 2011. "Adaptive decoupled control of 4-leg voltage-source inverters for standalone photovoltaic systems: Adjusting transient state response," Renewable Energy, Elsevier, vol. 36(10), pages 2733-2741.
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    Cited by:

    1. Junhui Li & Tianyang Zhang & Lei Qi & Gangui Yan, 2017. "A Method for the Realization of an Interruption Generator Based on Voltage Source Converters," Energies, MDPI, vol. 10(10), pages 1-19, October.

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