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Design and Implementation of a STATCOM Based on a Multilevel FHB Converter with Delta-Connected Configuration for Unbalanced Load Compensation

Author

Listed:
  • Wei-Neng Chang

    (Department of Electrical Engineering, Chang Gung University, 259 Wen-Hwa 1st Road, Kwei-Shan Dist., 333 Tao-Yuan City, Taiwan)

  • Ching-Huan Liao

    (National Chung-Shan Institute of Science and Technology, 486, 6th Neighborhood, Sec. Jia’an, Zhongzheng Road, Longtan Dist., 325 Tao-Yuan City, Taiwan)

Abstract

A delta-connected STATCOM with cascade multilevel full H-bridge (FHB) converter has been applied for phase balancing and power factor correction of unbalanced load in a three-phase, three-wire power distribution system. In this paper, a feedforward compensation formula is presented for the STATCOM by using the symmetrical components method to compensate unbalanced load. Computer simulation is performed for preliminary verification. Accordingly, a hardware prototype employing a TMS320F2812 DSP-based system is built for final verification test. Experimental results show that the proposed STATCOM is very effective for real-time unbalanced load compensation.

Suggested Citation

  • Wei-Neng Chang & Ching-Huan Liao, 2017. "Design and Implementation of a STATCOM Based on a Multilevel FHB Converter with Delta-Connected Configuration for Unbalanced Load Compensation," Energies, MDPI, vol. 10(7), pages 1-17, July.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:921-:d:103565
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    Citations

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    Cited by:

    1. Xiaosheng Wang & Ke Dai & Xinwen Chen & Xin Zhang & Qi Wu & Ziwei Dai, 2019. "Reactive Power Compensation and Imbalance Suppression by Star-Connected Buck-Type D-CAP," Energies, MDPI, vol. 12(10), pages 1-16, May.
    2. Jae-Myeong Kim & Geum-Seop Song & Jae-Jung Jung, 2021. "Zero-Sequence Voltage Injection Method for DC Capacitor Voltage Balancing of Wye-Connected CHB Converter under Unbalanced Grid and Load Conditions," Energies, MDPI, vol. 14(4), pages 1-18, February.
    3. Wei-Neng Chang & Ching-Huan Liao, 2019. "Development of an SDBC-MMCC-Based DSTATCOM for Real-Time Single-Phase Load Compensation in Three-Phase Power Distribution Systems," Energies, MDPI, vol. 12(24), pages 1-15, December.
    4. Cristian Verdugo & Samir Kouro & Christian A. Rojas & Marcelo A. Perez & Thierry Meynard & Mariusz Malinowski, 2019. "Five-Level T-type Cascade Converter for Rooftop Grid-Connected Photovoltaic Systems," Energies, MDPI, vol. 12(9), pages 1-20, May.
    5. Wei-Neng Chang & Chia-Min Chang & Shao-Kang Yen, 2018. "Improvements in Bidirectional Power-Flow Balancing and Electric Power Quality of a Microgrid with Unbalanced Distributed Generators and Loads by Using Shunt Compensators," Energies, MDPI, vol. 11(12), pages 1-14, November.
    6. Wajahat Ullah Khan Tareen & Muhammad Aamir & Saad Mekhilef & Mutsuo Nakaoka & Mehdi Seyedmahmoudian & Ben Horan & Mudasir Ahmed Memon & Nauman Anwar Baig, 2018. "Mitigation of Power Quality Issues Due to High Penetration of Renewable Energy Sources in Electric Grid Systems Using Three-Phase APF/STATCOM Technologies: A Review," Energies, MDPI, vol. 11(6), pages 1-41, June.
    7. Leonardo Comparatore & Magno Ayala & Yassine Kali & Jorge Rodas & Julio Pacher & Alfredo Renault & Raúl Gregor, 2023. "Discrete-Time Sliding Mode Current Control for a Seven-Level Cascade H-Bridge Converter," Energies, MDPI, vol. 16(5), pages 1-19, March.

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