Contribution of Voltage Support Function to Virtual Inertia Control Performance of Inverter-Based Resource in Frequency Stability

Dai Orihara, Hiroshi Kikusato, Jun Hashimoto, Kenji Otani, Takahiro Takamatsu, Takashi Oozeki, Hisao Taoka, Takahiro Matsuura, Satoshi Miyazaki, Hiromu Hamada and Kenjiro Mori
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Dai Orihara: Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Fukushima 963-0298, Japan
Hiroshi Kikusato: Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Fukushima 963-0298, Japan
Jun Hashimoto: Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Fukushima 963-0298, Japan
Kenji Otani: Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Fukushima 963-0298, Japan
Takahiro Takamatsu: Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Fukushima 963-0298, Japan
Takashi Oozeki: Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Fukushima 963-0298, Japan
Hisao Taoka: Renewable Energy Research Center, National Institute of Advanced Industrial Science and Technology, 2-2-9, Machiikedai, Fukushima 963-0298, Japan
Takahiro Matsuura: TEPCO Research Institute, Tokyo Electric Power Company Holdings, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama 230-0002, Japan
Satoshi Miyazaki: TEPCO Research Institute, Tokyo Electric Power Company Holdings, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama 230-0002, Japan
Hiromu Hamada: TEPCO Research Institute, Tokyo Electric Power Company Holdings, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama 230-0002, Japan
Kenjiro Mori: TEPCO Research Institute, Tokyo Electric Power Company Holdings, 4-1, Egasaki-cho, Tsurumi-ku, Yokohama 230-0002, Japan

Energies, 2021, vol. 14, issue 14, 1-16

Abstract: Inertia reduction due to inverter-based resource (IBR) penetration deteriorates power system stability, which can be addressed using virtual inertia (VI) control. There are two types of implementation methods for VI control: grid-following (GFL) and grid-forming (GFM). There is an apparent difference among them for the voltage regulation capability, because the GFM controls IBR to act as a voltage source and GFL controls it to act as a current source. The difference affects the performance of the VI control function, because stable voltage conditions help the inertial response to contribute to system stability. However, GFL can provide the voltage control function with reactive power controllability, and it can be activated simultaneously with the VI control function. This study analyzes the performance of GFL-type VI control with a voltage control function for frequency stability improvement. The results show that the voltage control function decreases the voltage variation caused by the fault, improving the responsivity of the VI function. In addition, it is found that the voltage control is effective in suppressing the power swing among synchronous generators. The clarification of the contribution of the voltage control function to the performance of the VI control is novelty of this paper.

Keywords: frequency stability; inverter-based resource; virtual inertia; grid-forming; grid-following; PLL; RoCoF (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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