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HVDC-System-Interaction Assessment through Line-Flow Change-Distribution Factor and Transient-Stability Analysis at Planning Stage

Author

Listed:
  • Sungchul Hwang

    (School of Electrical Engineering, Korea University, Anam-ro, Sungbuk-gu, Seoul 02841, Korea)

  • Jaegul Lee

    (Power Transmission Laboratory, Korea Electric Power Research Institute (KEPRI), Munji-ro, Yuseong-gu, Daejeon 34056, Korea)

  • Gilsoo Jang

    (School of Electrical Engineering, Korea University, Anam-ro, Sungbuk-gu, Seoul 02841, Korea)

Abstract

Many of the recent projects for new transmission line have considered the high-voltage direct current (HVDC) system, owing to the many advantages of the direct current (DC) system. The most noteworthy advantage is that a cable can serve as a substitute for the overhead transmission line in residential areas; therefore, the HVDC system application is increasing, and as the number of DC systems in the power system increases, the interaction assessment regarding the HVDC system gains importance. An index named multi-infeed interaction factor ( MIIF ) is commonly used to estimate the interaction between power converters; however, the HVDC system is composed of two converters and a transmission line. The MIIF represents the interaction between the rectifiers and inverters, but not for the whole system. In this work, a method to assess the interaction of the whole system was therefore studied. To decide on the location of the new HVDC transmission system at the planning stage, in consideration of the interaction of the existing DC system, the line flow change distribution factor, according to the HVDC-transmission capacity change, was examined. Also, a power system transient -stability analysis was performed with different HVDC system locations, depending on the distribution factor. The simulation results indicate that when the factor is higher, two HVDC systems have a stronger interaction and are less stable in the transient state.

Suggested Citation

  • Sungchul Hwang & Jaegul Lee & Gilsoo Jang, 2016. "HVDC-System-Interaction Assessment through Line-Flow Change-Distribution Factor and Transient-Stability Analysis at Planning Stage," Energies, MDPI, vol. 9(12), pages 1-14, December.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:12:p:1068-:d:85403
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    Citations

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    Cited by:

    1. Chengjun Xia & Xia Hua & Zhen Wang & Zhenlin Huang, 2018. "Analytical Calculation for Multi-Infeed Interaction Factors Considering Control Modes of High Voltage Direct Current Links," Energies, MDPI, vol. 11(6), pages 1-19, June.
    2. Jordi-Roger Riba & Andrea Morosini & Francesca Capelli, 2018. "Comparative Study of AC and Positive and Negative DC Visual Corona for Sphere-Plane Gaps in Atmospheric Air," Energies, MDPI, vol. 11(10), pages 1-18, October.
    3. Chunlei Zhang & Xiaodong Chu & Bing Zhang & Linlin Ma & Xin Li & Xiaobo Wang & Liang Wang & Cheng Wu, 2018. "A Coordinated DC Power Support Strategy for Multi-Infeed HVDC Systems," Energies, MDPI, vol. 11(7), pages 1-20, June.
    4. Shiwu Liao & Wei Yao & Xiaomeng Ai & Jinyu Wen & Qing Liu & Yanhong Jiang & Jian Zhang & Jingzhe Tu, 2017. "An Improved Multi-Infeed Effective Short-Circuit Ratio for AC/DC Power Systems with Massive Shunt Capacitors Installed," Energies, MDPI, vol. 10(3), pages 1-16, March.

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