Combined Operation of an Unified Power Quality Conditioner and a Superconducting Magnetic Energy Storage System for Power Quality Improvement

  • Nuno AmaroEmail author
  • Luís Casimiro
  • João Murta Pina
  • João Martins
  • José M. Ceballos
Conference paper
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 450)


Superconducting Magnetic Energy Storage (SMES) is a class of promising superconducting devices, considering its possible applications in power systems. This paper describes a combination of a SMES with a Unified Power Quality Conditioner (UPQC) for power quality improvement in an electric grid. The SMES device is used to improve the UPQC performance by increasing the stored energy in the DC link. Several power quality faults including voltage sags and current harmonics are simulated and the system behavior is demonstrated. This hybrid system has the advantage of being able to overcome different kinds of power quality faults with higher performance than as a set of individual systems, thus increasing power quality in electric grids.


SMES UPQC Power quality 


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Copyright information

© IFIP International Federation for Information Processing 2015

Authors and Affiliations

  • Nuno Amaro
    • 1
    Email author
  • Luís Casimiro
    • 1
  • João Murta Pina
    • 1
  • João Martins
    • 1
  • José M. Ceballos
    • 2
  1. 1.Centre of Technology and Systems, Faculdade de Ciências e TecnologiaUniversidade Nova de LisboaCaparicaPortugal
  2. 2.“Benito Mahedero” Group of electrical Applications of Superconductors, Escuela de Ingenierías IndustrialesUniversidad de ExtremaduraBadajozSpain

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