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Internal Balance during Low-Voltage-Ride-Through of the Modular Multilevel Converter STATCOM

Author

Listed:
  • Georgios Tsolaridis

    (Department of Energy Technology, Aalborg University, 9220 Aalborg East, Denmark)

  • Epameinondas Kontos

    (Department of Electrical Sustainable Energy, Delft University of Technology, 2628 CD Delft, The Netherlands)

  • Sanjay K. Chaudhary

    (Department of Energy Technology, Aalborg University, 9220 Aalborg East, Denmark)

  • Pavol Bauer

    (Department of Electrical Sustainable Energy, Delft University of Technology, 2628 CD Delft, The Netherlands)

  • Remus Teodorescu

    (Department of Energy Technology, Aalborg University, 9220 Aalborg East, Denmark)

Abstract

Grid faults are common in power systems and can have a severe impact on the operation of the converters in the system. In this paper, the operation of a Modular Multilevel Converter (MMC)-based Static Synchronous Compensators (STATCOM) is investigated during grid faults. The study focuses on the challenging internal control of the converter to allow the independent control of the energy levels of each arm, with the goal to maintain internal balancing of the MMC during contingencies. Extensive experimental results highlight the need for a sophisticated internal control. Moreover, the experimental analysis verifies that, by using the proposed control structure, the MMC can effectively ride through a fault on the AC side without tripping, while injecting the necessary positive and negative sequence reactive current levels according to the most recent grid codes.

Suggested Citation

  • Georgios Tsolaridis & Epameinondas Kontos & Sanjay K. Chaudhary & Pavol Bauer & Remus Teodorescu, 2017. "Internal Balance during Low-Voltage-Ride-Through of the Modular Multilevel Converter STATCOM," Energies, MDPI, vol. 10(7), pages 1-18, July.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:935-:d:103702
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    Cited by:

    1. Jonathan H. D. G. Pinto & Allan Fagner Cupertino & Heverton Augusto Pereira & Seleme Issac Seleme, 2023. "Modeling and Control-Tuning of a Single-Stage MMC-Based BESS," Energies, MDPI, vol. 16(3), pages 1-28, February.

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