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Internal Induced Voltage Modification for Current Limitation in Virtual Synchronous Machine

Author

Listed:
  • Dai Orihara

    (Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Koriyama 963-0298, Japan)

  • Hisao Taoka

    (Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Koriyama 963-0298, Japan)

  • Hiroshi Kikusato

    (Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Koriyama 963-0298, Japan)

  • Jun Hashimoto

    (Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Koriyama 963-0298, Japan)

  • Kenji Otani

    (Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Koriyama 963-0298, Japan)

  • Takahiro Takamatsu

    (Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Koriyama 963-0298, Japan)

  • Takashi Oozeki

    (Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Koriyama 963-0298, Japan)

  • Takahiro Matsuura

    (TEPCO Research Institute, Tokyo Electric Company Holdings, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama 230-0002, Japan)

  • Satoshi Miyazaki

    (TEPCO Research Institute, Tokyo Electric Company Holdings, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama 230-0002, Japan)

  • Hiromu Hamada

    (TEPCO Research Institute, Tokyo Electric Company Holdings, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama 230-0002, Japan)

  • Teru Miyazaki

    (TEPCO Research Institute, Tokyo Electric Company Holdings, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama 230-0002, Japan)

Abstract

Virtual inertia control is a methodology to make inverter-based resources (IBR) behave like a synchronous machine. However, an IBR cannot fully emulate the response of synchronous machine because of its low-current capacity. When the inertial response of an IBR is affected by the current limitation, the synchronization of the synchronous machine simulated virtually inside the IBR controller with the other synchronous generators in the grid is affected, which may cause step-out of the simulated generator. We propose a methodology which can keep the synchronization by modifying internal induced voltage of the simulated generator to follow the system voltage change. The proposal is validated by the simulation using a nine-bus transmission system model including two synchronous generators and a large-scale IBR. The result of the generator trip simulation shows that the proposed method suppresses the phase angle variation while the current is limited, and avoids the instability regarding the synchronism. Furthermore, the impact of the current limitation on frequency stability is also evaluated through the simulation study and it is found that as the amount of output suppression increases, the frequency nadir falls, but the rate-of-change of frequency is hardly affected.

Suggested Citation

  • Dai Orihara & Hisao Taoka & Hiroshi Kikusato & Jun Hashimoto & Kenji Otani & Takahiro Takamatsu & Takashi Oozeki & Takahiro Matsuura & Satoshi Miyazaki & Hiromu Hamada & Teru Miyazaki, 2022. "Internal Induced Voltage Modification for Current Limitation in Virtual Synchronous Machine," Energies, MDPI, vol. 15(3), pages 1-16, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:901-:d:735039
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    References listed on IDEAS

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    1. Peter Unruh & Maria Nuschke & Philipp Strauß & Friedrich Welck, 2020. "Overview on Grid-Forming Inverter Control Methods," Energies, MDPI, vol. 13(10), pages 1-21, May.
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    Cited by:

    1. Takahiro Takamatsu & Takashi Oozeki & Dai Orihara & Hiroshi Kikusato & Jun Hashimoto & Kenji Otani & Takahiro Matsuura & Satoshi Miyazaki & Hiromu Hamada & Teru Miyazaki, 2022. "Simulation Analysis of Issues with Grid Disturbance for a Photovoltaic Powered Virtual Synchronous Machine," Energies, MDPI, vol. 15(16), pages 1-19, August.
    2. Ziqian Zhang & Carina Lehmal & Philipp Hackl & Robert Schuerhuber, 2022. "Transient Stability Analysis and Post-Fault Restart Strategy for Current-Limited Grid-Forming Converter," Energies, MDPI, vol. 15(10), pages 1-26, May.

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