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Harmonic Stability in Power Electronic-Based Power Systems: Concept, Modeling, and Analysis

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Wang, Xiongfei, Blaabjerg, Frede·2019·IEEE Transactions on Smart Grid

Abstract

The large-scale integration of power electronic based systems poses new challenges to the stability and power quality of modern power grids. The wide timescale and frequency-coupling dynamics of electronic power converters tend to bring in harmonic instability in the form of resonances or abnormal harmonics in a wide frequency range. This paper provides a systematic analysis of harmonic stability in the future power-electronic-based power systems. The basic concept and phenomena of harmonic stability are elaborated first. It is pointed out that the harmonic stability is a breed of small-signal stability problems, featuring the waveform distortions at the frequencies above and below the fundamental frequency of the system. The linearized models of converters and system analysis methods are then discussed. It reveals that the linearized models of ac-dc converters can be generalized to the harmonic transfer function, which is mathematically derived from linear time-periodic system theory. Lastly, future challenges on the system modeling and analysis of harmonic stability in large-scale power electronic based power grids are summarized.

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Metadata

Authors
Wang, X., & Blaabjerg, F.
Venue
IEEE Transactions on Smart Grid
Published
2019-05
Volume
10
Issue
3
Pages
2858-2870
ISSN
  • 1949-3053 (ISSN-L)
  • 1949-3061
OpenAlex
W2791193733
Cited by
1,282
References
0
FWCI
40.46
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Harmonic Stability in Power Electronic-Based Power Systems: Concept, Modeling, and Analysis. https://app.cochat.ai/papers/10.1109/tsg.2018.2812712
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Wang, X., & Blaabjerg, F. (2019). Harmonic Stability in Power Electronic-Based Power Systems: Concept, Modeling, and Analysis. IEEE Transactions on Smart Grid. https://doi.org/10.1109/tsg.2018.2812712

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