Harmonic resonance analysis in high‐renewable‐energy‐penetrated power systems considering frequency coupling

Renewable energy is a key solution to address the challenges of energy shortages and climate change. Consequently, high‐renewable‐energy‐penetrated power systems (HREPPS) have become a popular trend. This has led to the increasing use of voltage‐source converters (VSCs) as renewable‐energy interface...

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Bibliographic Details
Published inEnergy conversion and economics Vol. 3; no. 5; pp. 333 - 344
Main Authors Wang, Yang, Chen, Haimeng, Gao, Bo, Xiao, Xianyong, Torquato, Ricardo, Trindade, Fernanda C. L.
Format Journal Article
LanguageEnglish
Published Singapore John Wiley & Sons, Inc 01.10.2022
Wiley
Subjects
Alternative energy sources
Coupling
Electric power systems
Energy conversion
Flexible AC power transmission systems
Frequency analysis
frequency coupling
Harmonic analysis
harmonic resonance
Impedance
Renewable energy
Renewable resources
Resonance
voltage source converter (VSC)
Wind farms
China
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Summary:Renewable energy is a key solution to address the challenges of energy shortages and climate change. Consequently, high‐renewable‐energy‐penetrated power systems (HREPPS) have become a popular trend. This has led to the increasing use of voltage‐source converters (VSCs) as renewable‐energy interfaces. Meanwhile, other VSC‐based applications such as flexible alternating current transmission systems (FACTS) are used for supporting the energy conversion of renewable energy. With the large integration of VSC‐interfaced devices, there is a rising concern regarding their impact on the harmonic resonance of power systems. In this study, a new harmonically coupled impedance model is proposed to inspect the harmonic resonance caused by VSC‐interfaced devices in HREPPS. The model is derived based on the penetration of a multifrequency harmonic, enabling it to fully reveal the frequency coupling effect in the system. Research has shown that frequency coupling plays an important role in harmonic resonance analysis. The correctness of the proposed harmonic impedance model and its effectiveness on harmonic resonance analysis were verified using time‐domain simulations of a real‐life photovoltaic integrated system.
ISSN:2634-1581
2634-1581
DOI:10.1049/enc2.12068