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Impact of Momentary Cessation Voltage Level in Inverter-Based Resources on Increasing the Short Circuit Current

Author

Listed:
  • Namki Choi

    (School of Electrical Engineering, Anam Campus, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea)

  • Bohyun Park

    (School of Electrical Engineering, Anam Campus, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea)

  • Hwanhee Cho

    (School of Electrical Engineering, Anam Campus, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea)

  • Byongjun Lee

    (School of Electrical Engineering, Anam Campus, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea)

Abstract

This study analyzed the impact of varying the momentary cessation (MC) voltage level on the short circuit current of inverter-based resources (IBRs). To analyze the impact of the IBR MC function on the short circuit current, this paper proposes an advanced IBR model for fault current calculation to reflect its fault characteristics and a scheme for analyzing the influence of MC on the short circuit current. Based on the proposed methods, the authors conducted case studies using planning data from the Korea Electric Power Corporation (KEPCO). The influence of MC was investigated on the IBRs located at the southwest side of the KEPCO systems by screening the fault currents while varying the MC voltage. This paper demonstrates that the minimum MC voltage level needed for the fault current not to exceed the circuit breaker (CB) capacity can be proposed through analyzing the impact of MC voltage level on the short circuit current. The test results based on the proposed scheme showed that the short circuit current to power systems could not violate CB capacity if IBRs adjusted the MC voltage level higher than the lowest MC voltage level.

Suggested Citation

  • Namki Choi & Bohyun Park & Hwanhee Cho & Byongjun Lee, 2019. "Impact of Momentary Cessation Voltage Level in Inverter-Based Resources on Increasing the Short Circuit Current," Sustainability, MDPI, vol. 11(4), pages 1-12, February.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:4:p:1153-:d:208100
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    Citations

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    Cited by:

    1. A. Padmaja & Allusivala Shanmukh & Siva Subrahmanyam Mendu & Ramesh Devarapalli & Javier Serrano González & Fausto Pedro García Márquez, 2021. "Design of Capacitive Bridge Fault Current Limiter for Low-Voltage Ride-Through Capacity Enrichment of Doubly Fed Induction Generator-Based Wind Farm," Sustainability, MDPI, vol. 13(12), pages 1-17, June.
    2. Almir Ekic & Di Wu & John N. Jiang, 2022. "Impact of Solar Inverter Dynamics during Grid Restoration Period on Protection Schemes Based on Negative-Sequence Components," Energies, MDPI, vol. 15(12), pages 1-18, June.
    3. Manisha Maharjan & Almir Ekic & Bennett Strombeck & Di Wu, 2021. "An RTDS-Based Testbed for Investigating the Impacts of Transmission-Level Disturbances on Solar PV Operation," Energies, MDPI, vol. 14(13), pages 1-16, June.

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