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Microsoft Word - 0—p,ô°+0327+Ensuring Disturbance Rejection Performance

Fuyilong Ma, Huanhai Xin

2022Englishelectricityelectronicspower systemsgrid invertersdisturbance rejectionweak grids

Abstract

Language:

To satisfy dynamic requirements of power systems, it is imperative for grid-tied inverters to ensure good disturbance rejection performance (DRP) under variable grid conditions. This letter discovers and theoretically proves that for general networks, synthesizing grid-following (GFL) inverters and grid-forming (GFM) inverters can always more effectively ensure the DRP of multiple inverters, as compared to homogeneous inverter-based systems that solely utilize either GFL or GFM inverters. The synthesis of GFL inverters and GFM inverters can concurrently increase the smallest eigenvalue and decrease the largest eigenvalue of the network grounded Laplacian matrix. This can be equivalent to rematching the proper short-circuit ratio (SCR) for GFL and GFM inverters, thereby ensuring the DRP of inverters both in weak and strong grids. The results reveal the necessity of synthesizing diverse inverter control schemes from the network-based perspective. Sensitivity function-based tests and real-time simulations validate our results.

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Cite This Work

@article{c4455199-39df-4358-90e6-e95ac618a037,
  title={Microsoft Word - 0—p,ô°+0327+Ensuring Disturbance Rejection Performance},
  author={Fuyilong Ma and Huanhai Xin},
  year={2022},
  language={English}
}
TY  - JOUR
TI  - Microsoft Word - 0—p,ô°+0327+Ensuring Disturbance Rejection Performance
AU  - Fuyilong Ma
AU  - Huanhai Xin
PY  - 2022
LA  - English
ER  -

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