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One-Cycle Control of Three-Phase Five-Level Diode-Clamped STATCOM

Author

Listed:
  • In Wha Jeong

    (Department of Electrical Engineering, Hanyang University, Seoul 04763, Korea)

  • Tae Hyun Sung

    (Department of Electrical Engineering, Hanyang University, Seoul 04763, Korea)

Abstract

This paper presents a new multilevel one-cycle control (OCC) technique for a five-level diode-clamped multilevel converter (DCMC)-based static VAR compensator (STATCOM). The OCC algorithm in combination with multi-carrier level-shifted PWM control is used in the proposed five-level DCMC-based STATCOM. The automatic dc link voltage balance is simply realized by four voltage compensators presented as the part of the OCC controller. In this paper the OCC principle of a two-level converter-based STATCOM is reviewed and extended to the five-level DCMC-based STATCOM. The proposed multilevel OCC control method of the five-level DCMC-based STATCOM in steady-state and dynamic operation modes is verified by simulation and experimental results.

Suggested Citation

  • In Wha Jeong & Tae Hyun Sung, 2021. "One-Cycle Control of Three-Phase Five-Level Diode-Clamped STATCOM," Energies, MDPI, vol. 14(7), pages 1-30, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:7:p:1830-:d:523922
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    Cited by:

    1. Lakshminarayana Gadupudi & Gudapati Sambasiva Rao & Rachakonda Venkata Lakshmi Narayana Divakar & Hasmat Malik & Faisal Alsaif & Sager Alsulamy & Taha Selim Ustun, 2023. "Fuzzy-Based Fifteen-Level VSC for STATCOM Operations with Single DC-Link Voltage," Sustainability, MDPI, vol. 15(7), pages 1-15, April.

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