Superconducting Technology for Power and Energy Management

Gholizad, Babak (2016) Superconducting Technology for Power and Energy Management, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Ingegneria elettrotecnica, 28 Ciclo. DOI 10.6092/unibo/amsdottorato/7279.
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In this thesis integration of high temperature superconductor technology in the future advanced power system will be investigated. In particular, superconducting magnetic energy storage system (SMES) for power quality of distribution grid and customer protection will be discussed. The complete design method, including the magnet and power electronic interface design will be discussed in more details. The method will be applied to the design of an industrial scale SMES system. Commercially available high temperature superconductor (HTS) material (YBCO) and magnesium diboride (MgB2) tapes will be considered for the design of the magnet. A multifunctional control algorithm for compensating voltage sag and improving power quality will be implemented, and the advantages of the SMES system and utilized control algorithm for this application will be illustrated. As a second part of the thesis, high temperature superconducting DC (HTS-DC) cables for transmission and distribution will be introduced. A method for both electromagnetic and thermo fluid-dynamic design of power cable will be developed. As a first case study superconducting DC collector grid for offshore wind-park will be technically and economically evaluated and the cost and loss model of the system will be discussed. Also, the transient behavior of the high temperature superconducting DC cable in high voltage DC (HVDC) system, which is crucial for stability, will be evaluated. Both line commutated converters (LCC) and voltage source converters (VSC) will be considered.

Tipologia del documento
Tesi di dottorato
Gholizad, Babak
Dottorato di ricerca
Scuola di dottorato
Ingegneria industriale
Settore disciplinare
Settore concorsuale
Parole chiave
Superconducting energy storage system, high temperature superconducting DC cable
Data di discussione
21 Marzo 2016

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