Computationally Efficient Impedance Scanning Approach for Inverter-based Resources

Date

2024-01-01

Author

Ouyang, Chenxi
Furlaneto, Renan M.
Meng, Lei
Jacobs, Keijo
Xue, Tao
Karaağaç, Ulaş
Mahseredjian, Jean

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Impedance-based stability assessment (IBSA) is an effective method to study sub-synchronous control interaction (SSCI) with inverter-based resources (IBRs) in modern power systems. An IBR's required frequency-dependent impedance model can be obtained via the positive sequence scanning method. In this paper, single-sinusoidal signal and multi-sinusoidal signal-based methods for frequency scanning are investigated and evaluated. To benefit from the advantages of both schemes, hybrid scanning is proposed including perturbation signal, amplitude, and frequency segmentation settings. Additionally, a modified quadratic phase shift scheme is proposed for reducing the high magnitudes of multi-sinusoidal signals. All methods are validated and compared using the average value model of a doubly fed induction generator. The guidelines and recommendations are provided for the proper usage of the proposed hybrid scanning in the sub-synchronous frequency range.

Subject Keywords

electromagnetic transient simulation, frequency scanning schemes, impedance-based stability analysis, SSCI, wind park

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=105000924732&origin=inward
https://hdl.handle.net/11511/114897

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Department of Electrical and Electronics Engineering, Conference / Seminar