VSC topology comparison for STATCOM application under unbalanced conditions

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Laka, Aitor ; Cross, Andrew ; Barrena, Jon A. ; Chivite-Zabalza, Javier ; Rodríguez, Miguel Á. (2013)
  • Publisher: IEEE

This paper compares the performance of four different power electronic converter topologies, which have been proposed for STATCOM applications. Two of the topologies are Modular Multilevel Cascaded Converters (MMCC), whilst the remaining circuits utilize magnetic elements and an open-winding transformer configuration to combine individual power modules. It is assumed that the STATCOM has to work under unbalanced conditions, so that it delivers both positive and negative sequence currents. Simulation studies for the four topologies have been carried out using the simulation tool Saber.
  • References (5)

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    [2] L. Kuang, L. Jinjun, W. Zhaoan, and W. Biao, "Strategies and Operating Point Optimization of STATCOM Control for Voltage Unbalance Mitigation in Three-Phase Three-Wire Systems," IEEE Trans. Power Del., vol. 22, pp. 413-422, 2007.

    [3] J. V. Milanovic and Z. Yan, "Modeling of FACTS Devices for Voltage Sag Mitigation Studies in Large Power Systems," IEEE Trans. Power Del., vol. 25, pp. 3044-3052, 2010.

    [4] M. Crow, A. Yazdani, H. Sepahvand, and M. Ferdowsi, "Fault Detection and Mitigation in Multilevel Converter STATCOMs," IEEE Trans. Ind. Electron., vol. PP, pp. 1-1, 2010.

    [5] S.-c. Wang, K.-s. Yu, and G.-f. Tang, "Mitigation of Voltage Sags by Grid-Connected Distributed Generation System in Series and Shunt Configurations," in Power System Technology and IEEE Power India Conference, 2008. POWERCON 2008. Joint International Conference on, 2008, pp. 1-6.

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